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Federal Role in Responding to Potential Risks of Per- and Polyfluoroalkyl Substances (PFAS) [October 23, 2019]
From the Document: "Per- and polyfluoroalkyl substances (PFAS) are a large, diverse group of fluorinated compounds that have been used in numerous commercial, industrial, and U.S. military applications. Among other uses, PFAS have been used in fire-fighting foams and in the processing and manufacture of many commercial products (e.g., nonstick cookware, stain- and water-resistant fabrics). PFAS are persistent in the environment, and studies of several PFAS suggest that exposures above certain levels may lead to adverse health effects. [...] This report focuses on federal authorities under which EPA [Environmental Protection Agency] and other agencies have taken actions to address potential risks of PFAS. It does not discuss other laws under which EPA or other agencies may take additional actions, or actions under state laws. The report begins with a brief discussion of the chemical properties, uses, and varying risks of PFAS, followed by discussions of federal actions, relevant legislation enacted in the 115th Congress, and relevant legislation in the 116th Congress."
Library of Congress. Congressional Research Service
Bearden, David M.; Yen, Jerry H.; Tiemann, Mary . . .
2019-10-23
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Water Infrastructure Financing: The Water Infrastructure Finance and Innovation Act (WIFIA) Program [Updated May 1, 2019]
From the Introduction: "Water infrastructure issues, particularly regarding funding, continue to receive attention from some Members of Congress and a wide array of stakeholders. Localities are primarily responsible for providing wastewater and drinking water infrastructure services. According to the most recent estimates by states and the U.S. Environmental Protection Agency (EPA), expected capital costs for such facilities total $744 billion over a 20-year period. 1 While some analysts and stakeholders debate whether these estimates understate or overstate capital needs, most agree that the affected communities face formidable challenges in providing adequate and reliable water infrastructure services."
Library of Congress. Congressional Research Service
Humphreys, Elena H.; Ramseur, Jonathan L.; Tiemann, Mary
2019-05-01
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Water Infrastructure Financing: History of EPA Appropriations [Updated April 10, 2019]
From the Document: "The Clean Water Act (CWA) authorizes the principal federal program to aid municipal wastewater treatment plant construction and related eligible activities. Congress established this program in the Federal Water Pollution Control Act Amendments of 1972 (P.L. 92-500) (although prior versions of the act had authorized less ambitious grants assistance since 1956). Title II of P.L. 92-500 authorized grants to states for wastewater treatment plant construction under a program administered by the Environmental Protection Agency (EPA). Federal funds were provided through annual appropriations under a state-by-state allocation formula contained in the act itself. [...] The first section of this report includes a table that summarizes the history of appropriations for both wastewater and drinking water infrastructure programs. The next section discusses several historical developments in water infrastructure funding. The last section contains a detailed chronology of congressional activity regarding wastewater and drinking water infrastructure funding for each fiscal year since the 1987 CWA amendments."
Library of Congress. Congressional Research Service
Ramseur, Jonathan L.; Tiemann, Mary
2019-04-10
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Regulating Drinking Water Contaminants: EPA PFAS Actions [Updated June 18, 2019]
From the Document: "Detections of per- and polyfluoroalkyl substances (PFAS) in drinking water supplies and uncertainty about potential health effects associated with exposure to PFAS have increased congressional attention to the U.S. Environmental Protection Agency's (EPA) efforts to address these substances in public water supplies. Over the past decade, EPA has been evaluating several PFAS under the Safe Drinking Water Act (SDWA) to determine whether national drinking water regulations may be warranted. EPA has not issued SDWA regulations for any PFAS but has taken various actions to address PFAS contamination. [...] This In Focus outlines the agency's PFAS-related actions using SDWA authorities, with particular focus on the process for evaluating contaminants for regulation under SDWA."
Library of Congress. Congressional Research Service
Tiemann, Mary; Humphreys, Elena H.
2019-06-18
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Funding for EPA Water Infrastructure: A Fact Sheet [Updated March 6, 2019]
For the Department: "Federal funding to assist communities with capital projects to meet the water-related goals and requirements of federal laws has been provided through programs in the Clean Water Act (CWA) and the Safe Drinking Water Act. This report provides a table showing budget requests and appropriations for the Environmental Protection Agency's (EPA's) water infrastructure assistance programs under these two laws since 1973. The Water Pollution Control Act of 1948 (P.L. 80-845) established a grant program to assist localities with planning and design work and authorized loans for treatment plant construction. In subsequent amendments, federal assistance increased and a construction grant program replaced the loan program. In the Federal Water Pollution Control Act Amendments of 1972 (P.L. 92-500, popularly known as the Clean Water Act), Congress established the first national standards for sewage treatment and significantly increased federal funding to help communities meet the law's standards."
Library of Congress. Congressional Research Service
Ramseur, Jonathan L.; Tiemann, Mary
2019-03-06
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S. 1961 and H.R. 4024: Legislative Responses to a Chemical Storage Facility Spill [August 12, 2014]
"In January 2014, an estimated 10,000 gallons of 4-methylcyclohexanemethanol (MCHM) and other chemicals leaked from a bulk aboveground storage tank at a chemical storage facility located upstream from the intake pipes of the water treatment plant serving Charleston, WV, and nearby counties. In the wake of the resulting contamination of this large public water supply, Congress has undertaken oversight and is considering legislative options. The chemical storage tank at the center of the West Virginia incident appears to not have been subject to regulation under various federal or state laws aimed at protecting water resources from chemical releases. Oversight hearings by House and Senate committees began within a month to review the event, and to identify policy issues regarding the federal and state roles in regulating chemical facilities and whether legislation might be warranted. In further response to the spill, S. 1961, the Chemical Safety and Preparedness Act, was introduced on January 27, 2014, and H.R. 4024, the Ensuring Access to Clean Water Act of 2014, was introduced on February 10, 2014. This report describes and analyzes H.R. 4024 and S. 1961, as reported. The bills share a number of broadly similar provisions--both would direct states or the Environmental Protection Agency (EPA) to establish programs to prevent and respond to releases from chemical storage facilities (H.R. 4024) or tanks (S. 1961) located near drinking water sources--but they take different approaches to doing so: S. 1961 would make programmatic changes by amending the Safe Drinking Water Act (SDWA), while H.R. 4024 would amend the Clean Water Act (CWA)."
Library of Congress. Congressional Research Service
Copeland, Claudia; Tiemann, Mary
2014-08-01
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Hydraulic Fracturing: Selected Legal Issues [October 22, 2013]
"Hydraulic fracturing is a technique used to recover oil and natural gas from underground low permeability rock formations. Its use along with horizontal drilling has been responsible for an increase in estimated U.S. oil and natural gas reserves. Hydraulic fracturing and related oil and gas production activities have been controversial because of their potential effects on public health and the environment. Several environmental statutes have implications for the regulation of hydraulic fracturing by the federal government and states. An amendment to the Safe Drinking Water Act (SDWA) passed as a part of the Energy Policy Act of 2005 (EPAct 2005) clarified that the Underground Injection Control (UIC) requirements found in the SDWA do not apply to hydraulic fracturing, although the exclusion does not extend to the use of diesel fuel in hydraulic fracturing operations. The underground injection of wastewater generated during oil and gas production (including hydraulic fracturing) does require a UIC permit under the SDWA, as do injections for enhanced oil and gas recovery operations. Under the Clean Water Act (CWA), parties seeking to discharge produced water may have to apply for a permit under the National Pollutant Discharge Elimination System. Under the Clean Air Act (CAA), the Environmental Protection Agency (EPA) has issued new rules covering emissions of volatile organic compounds from hydraulic fracturing operations."
Library of Congress. Congressional Research Service
Vann, Adam; Murrill, Brandon J.; Tiemann, Mary
2013-10-22
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Drinking Water State Revolving Fund (DWSRF): Program Overview and Issues [April 10, 2014]
"In the Safe Drinking Water Act (SDWA) Amendments of 1996, Congress authorized a drinking water state revolving loan fund (DWSRF) program to help public water systems finance infrastructure projects needed to comply with federal drinking water regulations and to meet the act's health objectives. Under this program, states receive annual capitalization grants to provide financial assistance (primarily subsidized loans) to public water systems for drinking water projects and other specified activities. Through June 2012, Congress had provided $14.7 billion for the DWSRF program, and combined with the 20% state match, bond proceeds, and other funds, the program generated $23.6 billion in assistance and supported 9,990 projects. The latest Environmental Protection Agency (EPA) survey of capital improvement needs for public water systems indicates that these water systems need to invest $384.2 billion on infrastructure improvements over 20 years to ensure the provision of safe tap water. EPA reports that, although all of the identified projects promote the public health objectives of the SDWA, just $42.0 billion (10.9%) of reported needs are attributable to SDWA compliance. Key program issues include the gap between estimated needs and funding; the growing cost of complying with SDWA standards, particularly for small communities; the ability of small or economically disadvantaged communities to afford DWSRF financing; and the broader need for cities to maintain, upgrade, and expand infrastructure unrelated to SDWA compliance."
Library of Congress. Congressional Research Service
Tiemann, Mary
2014-04-10
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S. 1961 and H.R. 4024: Legislative Responses to a Chemical Storage Facility Spill [March 26, 2014]
"In January 2014, an estimated 10,000 gallons of the chemical 4-methylcyclohexanemethanol (MCHM), mixed with a small amount of glycol ethers, leaked from a 46,000-gallon aboveground storage tank at a chemical storage facility owned by Freedom Industries located 1.5 miles upstream from the intake pipes of a water treatment facility serving the area of Charleston, WV. A significant amount of the chemical entered the river and reached the public water system, prompting state and federal emergency declarations and causing the local water utility to issue a 'do not use' order to more than 300,000 commercial and residential customers and others in nine counties of West Virginia. The chemical storage tank at the center of the West Virginia incident appears to not have been subject to regulation under various federal or state laws aimed at protecting water resources from chemical releases. Oversight hearings by House and Senate committees began within a month to review the event, and to identify policy issues regarding the federal and state roles in regulating chemical facilities and whether legislation might be warranted. In further response to the spill, S. 1961, the Chemical Safety and Preparedness Act, was introduced on January 27, 2014, and H.R. 4024, the Ensuring Access to Clean Water Act of 2014, was introduced on February 10, 2014. This report describes and analyzes these two bills."
Library of Congress. Congressional Research Service
Copeland, Claudia; Tiemann, Mary
2014-03-26
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Overview of Unconventional Oil and Natural Gas: Resources and Federal Actions [January 23, 2014]
"The United States has seen a resurgence in petroleum production, mainly driven by technology improvements--hydraulic fracturing and directional drilling--developed for natural gas production from shale formations. Application of both of these technologies enabled natural gas to be economically produced from shale and other unconventional formations, and contributed to the United States becoming the world's largest natural gas producer in 2009. Use of these technologies has also contributed to the rise in U.S. oil production over the last few years. In 2009, annual oil production increased over 2008, the first annual rise since 1991, and has continued to increase each year since then. Between October 2007 and October 2013, U.S. monthly crude oil production rose by 2.7 million barrels per day, with about 92% of the increase coming from shale and related tight oil formations in Texas and North Dakota. Other tight oil plays are also being developed, and helped raise the prospect of energy independence, particularly for North America. […] While congressional debate has continued, the Administration has pursued a number of regulatory initiatives related to unconventional oil and gas development under existing statutory authorities. This report focuses on the growth in U.S. oil and natural gas production driven primarily by tight oil formations and shale gas formations. It also reviews selected federal environmental regulatory and research initiatives related to unconventional oil and gas extraction, including the Bureau of Land Management (BLM) proposed hydraulic fracturing rule and EPA [Environmental Protection Agency] actions."
Library of Congress. Congressional Research Service
Tiemann, Mary; Ratner, Michael
2014-01-23
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Safe Drinking Water Act (SDWA): A Summary of the Act and Its Major Requirements [February 5, 2014]
"This report summarizes the Safe Drinking Water Act (SDWA) and its major programs and regulatory requirements. It excerpts, with several additions, the SDWA chapter of CRS Report RL30798, 'Environmental Laws: Summaries of Major Statutes Administered by the Environmental Protection Agency', which provides summaries of the principal environmental statutes administered by the Environmental Protection Agency (EPA). This report includes the drinking water security provisions added to the SDWA by the Public Health Security and Bioterrorism Preparedness and Response Act of 2002 (P.L. 107-188), and lead reduction provisions as amended by P.L. 111-380. It also outlines amendments made in December 2013 by P.L. 113-64 (H.R. 3588) to explicitly exempt fire hydrants from coverage under the act's lead plumbing restrictions. The SDWA, Title XIV of the Public Health Service Act, is the key federal law for protecting public water supplies from harmful contaminants. First enacted in 1974 and substantially amended in 1986 and 1996, the act is administered through programs that establish standards and treatment requirements for public water supplies, control underground injection of wastes, finance infrastructure projects, and protect sources of drinking water. The 1974 law established the current federal-state arrangement in which states may be delegated primary implementation and enforcement authority for the drinking water program. The state-administered Public Water Supply Supervision (PWSS) Program remains the basic program for regulating the nation's public water systems, and 49 states have assumed this authority."
Library of Congress. Congressional Research Service
Tiemann, Mary
2014-02-05
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S. 1961 and H.R. 4024: Legislative Responses to a Chemical Storage Facility Spill [May 2, 2014]
"In January 2014, an estimated 10,000 gallons of 4-methylcyclohexanemethanol (MCHM) and other chemicals leaked from a bulk aboveground storage tank at a chemical storage facility located upstream from the intake pipes of the water treatment plant serving Charleston, WV, and nearby counties. In the wake of the resulting contamination of this large public water supply, Congress has undertaken oversight and is considering legislative options. The chemical storage tank at the center of the West Virginia incident appears to not have been subject to regulation under various federal or state laws aimed at protecting water resources from chemical releases. Oversight hearings by House and Senate committees began within a month to review the event, and to identify policy issues regarding the federal and state roles in regulating chemical facilities and whether legislation might be warranted. In further response to the spill, S. 1961, the Chemical Safety and Preparedness Act, was introduced on January 27, 2014, and H.R. 4024, the Ensuring Access to Clean Water Act of 2014, was introduced on February 10, 2014. This report describes and analyzes H.R. 4024 and S. 1961, as ordered reported. The bills share a number of broadly similar provisions--both would direct states or the Environmental Protection Agency (EPA) to establish programs to prevent and respond to releases from chemical storage facilities (H.R. 4024) or tanks (S. 1961) located near drinking water sources--but they take different approaches to doing so: S. 1961 would make programmatic changes by amending the Safe Drinking Water Act (SDWA), while H.R. 4024 would amend the Clean Water Act (CWA)."
Library of Congress. Congressional Research Service
Copeland, Claudia; Tiemann, Mary
2014-05-02
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Drinking Water State Revolving Fund (DWSRF): Program Overview and Issues [March 27, 2014]
"In the Safe Drinking Water Act (SDWA) Amendments of 1996, Congress authorized a drinking water state revolving loan fund (DWSRF) program to help public water systems finance infrastructure projects needed to comply with federal drinking water regulations and to meet the act's health objectives. Under this program, states receive annual capitalization grants to provide financial assistance (primarily subsidized loans) to public water systems for drinking water projects and other specified activities. Through June 2012, Congress had provided $14.7 billion for the DWSRF program, and combined with the 20% state match, bond proceeds, and other funds, the program generated $23.6 billion in assistance and supported 9,990 projects. The latest Environmental Protection Agency (EPA) survey of capital improvement needs for public water systems indicates that these water systems need to invest $384.2 billion on infrastructure improvements over 20 years to ensure the provision of safe tap water. EPA reports that, although all of the identified projects promote the public health objectives of the SDWA, just $42.0 billion (10.9%) of reported needs are attributable to SDWA compliance. Key program issues include the gap between estimated needs and funding; the growing cost of complying with SDWA standards, particularly for small communities; the ability of small or economically disadvantaged communities to afford DWSRF financing; and the broader need for cities to maintain, upgrade, and expand infrastructure unrelated to SDWA compliance."
Library of Congress. Congressional Research Service
Tiemann, Mary
2014-03-27
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Hydraulic Fracturing: Selected Legal Issues [September 26, 2014]
"Hydraulic fracturing is a technique used to recover oil and natural gas from underground low permeability rock formations. Its use along with horizontal drilling has been responsible for an increase in estimated U.S. oil and natural gas reserves. Hydraulic fracturing and related oil and gas production activities have been controversial because of their potential effects on public health and the environment. Several environmental statutes have implications for the regulation of hydraulic fracturing by the federal government and states. An amendment to the Safe Drinking Water Act (SDWA) passed as a part of the Energy Policy Act of 2005 (EPAct 2005) clarified that the Underground Injection Control (UIC) requirements found in the SDWA do not apply to hydraulic fracturing, although the exclusion does not extend to the use of diesel fuel in hydraulic fracturing operations. The underground injection of wastewater generated during oil and gas production (including hydraulic fracturing) does require a UIC permit under the SDWA, as do injections for enhanced oil and gas recovery operations. Under the Clean Water Act (CWA), parties seeking to discharge produced water may have to apply for a permit under the National Pollutant Discharge Elimination System. Under the Clean Air Act (CAA), the Environmental Protection Agency (EPA) has issued new rules covering emissions of volatile organic compounds from hydraulic fracturing operations."
Library of Congress. Congressional Research Service
Vann, Adam; Murrill, Brandon J.; Tiemann, Mary
2014-09-26
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Shale Energy Technology Assessment: Current and Emerging Water Practices [July 14, 2014]
"Shale oil and gas (collectively referred to as shale energy), long considered 'unconventional' hydrocarbon resources, are now being developed rapidly. Economic extraction of shale energy resources typically relies on the use of hydraulic fracturing. This technique often requires significant amounts of freshwater, and fracturing flowback and related wastewaters must be recycled or disposed of after a well is completed. While shale energy presents a significant energy resource, its development has the potential to pose risks to water availability and water quality. This report provides a technological assessment of existing and emerging water procurement and management practices in shale energy-producing regions of the United States. The intersection of evolving technology, growing environmental concerns, demand for new sources of hydrocarbon energy, and the potential national interests in developing shale oil and gas resources provides the context for this study. Congressional attention has been focused on two key aspects of the issue: shale energy as a growing U.S. energy source, and environmental concerns associated with the development of these resources."
Library of Congress. Congressional Research Service
Tiemann, Mary; Folger, Peter (Peter Franklin); Carter, Nicole T.
2014-07-14
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Safe Drinking Water Act (SDWA): A Summary of the Act and Its Major Requirements [October 25, 2012]
"This report summarizes the Safe Drinking Water Act (SDWA) and its major programs and regulatory requirements. It excerpts, with several additions, the SDWA chapter of CRS [Congressional Research Service] Report RL30798, 'Environmental Laws: Summaries of Major Statutes Administered by the Environmental Protection Agency', which provides summaries of the principal environmental statutes administered by the Environmental Protection Agency (EPA). This report includes the drinking water security provisions added to the SDWA by the Public Health Security and Bioterrorism Preparedness and Response Act of 2002 (P.L. 107-188). The SDWA, Title XIV of the Public Health Service Act, is the key federal law for protecting public water supplies from harmful contaminants. First enacted in 1974 and substantially amended in 1986 and 1996, the act is administered through programs that establish standards and treatment requirements for public water supplies, control underground injection of wastes, finance infrastructure projects, and protect sources of drinking water. The 1974 law established the current federal-state arrangement in which states may be delegated primary implementation and enforcement authority for the drinking water program. The state-administered Public Water Supply Supervision (PWSS) Program remains the basic program for regulating the nation's public water systems, and 49 states have assumed this authority."
Library of Congress. Congressional Research Service
Tiemann, Mary
2012-10-25
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NAFTA: Related Environmental Issues and Initiatives [March 1, 2000]
"The North American Free Trade Agreement (NAFTA) includes several environment-related provisions, that while limited, were lauded for their inclusion in a trade agreement. However, further environmental (and labor) assurances were needed to secure passage of NAFTA, and ultimately, the negotiating parties agreed to a side accord that promotes trilateral cooperation on environmental matters and includes provisions to address a party's failure to enforce environmental laws. Further to gain NAFTA support, the United States and Mexico agreed to establish a bilateral Border Environment Cooperation Commission and North American Development Bank to help border-area communities finance environmental infrastructure projects. The United States and Mexico also developed a cooperative plan to address a range of border environmental issues; phase two of the plan, the Border XXI Program, began in 1996. Since NAFTA's inception, its environmental implications have remained a subject of debate and legislation. Ongoing issues include NAFTA's possible environmental effects, border funding, and the implementation of NAFTA-related environmental agreements. This report provides an overview of NAFTA's environmental provisions and associated agreements and initiatives, and discusses recent issues and congressional activities. It will be updated as events warrant."
Library of Congress. Congressional Research Service
Tiemann, Mary
2000-03-01
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Hydraulic Fracturing and Safe Drinking Water Act Regulatory Issues [January 10, 2013]
"Hydraulic fracturing is a technique developed initially to stimulate oil production from wells in declining oil reservoirs. With technological advances, hydraulic fracturing is now widely used to initiate oil and gas production in unconventional (low-permeability) oil and gas formations that were previously inaccessible. This process now is used in more than 90% of new oil and gas wells. Hydraulic fracturing is done after a well is drilled and involves injecting large volumes of water, sand (or other propping agent), and specialized chemicals under enough pressure to fracture the formations holding the oil or gas. The sand or other proppant holds the fractures open to allow the oil or gas to flow freely out of the formation and into a production well. Its application, along with horizontal drilling, for production of natural gas (methane) from tight gas sands, unconventional shale formations, and coal beds, has resulted in the marked expansion of estimated U.S. natural gas reserves in recent years. Similarly, hydraulic fracturing is enabling the development of tight oil resources, such as the Bakken and Eagle Ford formations. The rapid growth in the use of fracturing has raised concerns over its potential impacts on groundwater and drinking water sources, and has led to calls for more state and/or federal oversight of this activity. […] This report reviews past and proposed treatment of hydraulic fracturing under the SDWA [Safe Drinking Water Act], the principal federal statute for regulating the underground injection of fluids to protect groundwater sources of drinking water. It reviews current SDWA provisions for regulating underground injection activities, and discusses some possible implications of the enactment of legislation authorizing EPA [Environmental Protection Agency] to regulate hydraulic fracturing (beyond diesel) under this statute."
Library of Congress. Congressional Research Service
Tiemann, Mary; Vann, Adam
2013-01-10
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Safe Drinking Water Act (SDWA): A Summary of the Act and Its Major Requirements [December 10, 2010]
"This report summarizes the Safe Drinking Water Act (SDWA) and its major programs and regulatory requirements. It excerpts, with several additions, the SDWA chapter of CRS Report RL30798, Environmental Laws: Summaries of Major Statutes Administered by the Environmental Protection Agency, which provides summaries of the principal environmental statutes administered by the Environmental Protection Agency (EPA). This report includes the drinking water security provisions added to the SDWA by the Public Heath Security and Bioterrorism Preparedness and Response Act of 2002 (P.L. 107-188). The SDWA, Title XIV of the Public Health Service Act, is the key federal law for protecting public water supplies from harmful contaminants. First enacted in 1974 and substantially amended in 1986 and 1996, the act is administered through programs that establish standards and treatment requirements for public water supplies, control underground injection of wastes, finance infrastructure projects, and protect sources of drinking water. The 1974 law established the current federal-state arrangement in which states may be delegated primary implementation and enforcement authority for the drinking water program. The state-administered Public Water Supply Supervision (PWSS) Program remains the basic program for regulating the nation's public water systems, and 49 states have assumed this authority. The last major reauthorization of the act was done through the Safe Drinking Water Act Amendments of 1996 (P.L. 104-182), which generally authorized appropriations for SDWA programs through FY2003. As with other EPA-administered statutes having expired funding authority, Congress has continued to appropriate funds for the ongoing SDWA programs. In addition to reviewing key programs and requirements of the SDWA, this report includes statistics on the number and types of regulated public water systems. It also provides tables that list all major amendments, with the year of enactment and public law number, and that cross-reference sections of the act with the major U.S. Code sections of the codified statute."
Library of Congress. Congressional Research Service
Tiemann, Mary
2010-12-10
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Regulating Drinking Water Contaminants: EPA PFAS Actions [May 21, 2019]
From the Document: "Detections of per- and polyfluoroalkyl substances (PFAS) in drinking water supplies and uncertainty about potential health effects associated with exposure to PFAS have increased congressional attention to the U.S. Environmental Protection Agency's (EPA) efforts to address these substances in public water supplies. Over the past decade, EPA has been evaluating several PFAS under the Safe Drinking Water Act (SDWA) to determine whether national drinking water regulations may be warranted. EPA has not issued SDWA regulations for any PFAS but has taken various actions to address PFAS contamination."
Library of Congress. Congressional Research Service
Humphreys, Elena H.; Tiemann, Mary
2019-05-21
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PFAS and Drinking Water: Selected EPA and Congressional Actions [Updated August 20, 2019]
From the Document: "Per- and polyfluoroalkyl substances (PFAS) are fluorinated chemicals that have been used in an array of commercial, industrial, and U.S. military applications for decades. Some of the more common applications include nonstick coatings, food wrappers, waterproof materials, and fire suppressants. Detections of some PFAS in drinking water supplies and uncertainty about potential health effects associated with exposure to particular PFAS above certain concentrations have increased calls for the U.S. Environmental Protection Agency (EPA) to address these substances in public water supplies. For those few PFAS for which scientific information is available, animal studies suggest that exposure to particular substances above certain levels may be linked to various health effects, including developmental effects; changes in liver, immune, and thyroid function; and increased risk of some cancers. In 2009, EPA listed certain PFAS for formal evaluation under the Safe Drinking Water Act (SDWA) to determine whether regulations may be warranted. EPA has not issued drinking water regulations for any PFAS but has taken various actions to address PFAS contamination."
Library of Congress. Congressional Research Service
Humphreys, Elena H.; Tiemann, Mary
2019-08-20
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Water Infrastructure Needs and Investment: Review and Analysis of Key Issues [December 21, 2010]
"Policymakers are giving increased attention to issues associated with financing and investing in the nation's drinking water and wastewater treatment systems, which take in water, treat it, and distribute it to households and other customers, and later collect, treat, and discharge water after use. The renewed attention is due to a combination of factors. These include financial impacts on communities of meeting existing and anticipated regulatory requirements, the need to repair and replace existing infrastructure, concerns about paying for security-related projects, and proposals to stimulate U.S. economic activity by building and rebuilding the nation's infrastructure. [...] This report identifies a number of issues that continue to receive attention in connection with water infrastructure investment. It begins with a review of federal involvement; describes the debate about needs; and then examines key issues, including what is the nature of the problems to be solved, who will pay, and what is the federal role, and questions about mechanisms for delivering federal support. Congressional and Administration activity on these issues since the 107th Congress also is reviewed. (For detailed information on legislative activity in the 111th Congress, see CRS [Congressional Research Service] Report R40098, 'Water Quality Issues in the 111th Congress: Oversight and Implementation,' and CRS Report RS22037, 'Drinking Water State Revolving Fund (DWSRF): Program Overview and Issues.)'"
Library of Congress. Congressional Research Service
Tiemann, Mary; Copeland, Claudia
2010-12-21
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Overview of Unconventional Oil and Natural Gas: Resources and Federal Actions [November 21, 2014]
"The United States has seen resurgence in petroleum production, mainly driven by technology improvements--especially hydraulic fracturing and directional drilling--developed for natural gas production from shale formations. Application of these technologies enabled natural gas to be economically produced from shale and other unconventional formations, and contributed to the United States becoming the world's largest natural gas producer in 2009. Use of these technologies has also contributed to the rise in U.S. oil production over the last few years.[…] This report focuses on the growth in U.S. oil and natural gas production driven primarily by tight oil formations and shale gas formations. It also reviews selected federal environmental regulatory and research initiatives related to unconventional oil and gas extraction, including the Bureau of Land Management (BLM) proposed hydraulic fracturing rule and Environmental Protection Agency (EPA) actions."
Library of Congress. Congressional Research Service
Tiemann, Mary; Ratner, Michael
2014-11-21
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Human-Induced Earthquakes from Deep-Well Injection: A Brief Overview [December 22, 2014]
"Despite increasing evidence linking some deep-well disposal activities with human-induced earthquakes, only a small fraction of the more than 30,000 U.S. wastewater disposal wells appears to be associated with damaging earthquakes. The potential for damaging earthquakes caused by hydraulic fracturing itself, as opposed to deepwell injection of wastewater from oil and gas activities, appears to be much smaller. Hydraulic fracturing intentionally creates fractures in rocks, and induces microseismicity, mostly of less than magnitude 1.0, too small to feel or cause damage. In a few cases, however, fracking has led directly to earthquakes larger than magnitude 2.0, including at sites in Oklahoma, Ohio, England, and Canada. The Environmental Protection Agency's (EPA's) Underground Injection Control (UIC) program under the Safe Drinking Water Act (SDWA) regulates the subsurface injection of fluids to prevent endangerment of drinking water sources. EPA has established regulations for six classes of injection wells, including Class II wells used for the injection of fluids for enhanced oil and gas recovery and wastewater disposal. Most oil and gas states administer the UIC Class II program. The SDWA does not address seismicity, although EPA regulations for certain classes of injection wells require some evaluation of seismic risk. Such requirements do not apply to Class II wells; however, EPA has developed a framework for evaluating seismic risk when reviewing Class II permit applications in states where EPA administers this program. How Congress shapes EPA or other agency efforts to address and possibly mitigate human-caused earthquakes may be an issue in the 114th Congress."
Library of Congress. Congressional Research Service
Folger, Peter (Peter Franklin); Tiemann, Mary
2014-12-22
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Overview of Unconventional Oil and Natural Gas: Resources and Federal Actions [January 5, 2015]
"The United States has seen resurgence in petroleum production, mainly driven by technology improvements--especially hydraulic fracturing and directional drilling--developed for natural gas production from shale formations. Application of these technologies enabled natural gas to be economically produced from shale and other unconventional formations, and contributed to the United States becoming the world's largest natural gas producer in 2009. Use of these technologies has also contributed to the rise in U.S. oil production over the last few years. In 2009, annual oil production increased over 2008, the first annual rise since 1991, and has continued to increase each year since. Between January 2008 and May 2014, U.S. monthly crude oil production rose by 3.2 million barrels per day, with about 85% of the increase coming from shale and related tight oil formations in Texas and North Dakota. Other tight oil plays are also being developed, helping raise the prospect of energy independence, especially for North America. The rapid expansion of tight oil and shale gas extraction using high-volume hydraulic fracturing has raised concerns about its potential environmental and health impacts. These concerns include potential direct impacts to groundwater and surface water quality, water supplies, and air quality. In addition, some have raised concerns about potential long-term and indirect impacts from reliance on fossil fuels and resulting greenhouse gas emissions and influence on broader energy economics. This report focuses mainly on actions related to controlling potential direct impacts."
Library of Congress. Congressional Research Service
Tiemann, Mary; Ratner, Michael
2015-01-05
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Drinking Water State Revolving Fund (DWSRF): Program Overview and Issues [February 6, 2015]
"In the Safe Drinking Water Act (SDWA) Amendments of 1996, Congress authorized a drinking water state revolving loan fund (DWSRF) program to help public water systems finance infrastructure projects needed to comply with federal drinking water regulations and to meet the act's health objectives. Under this program, states receive annual capitalization grants to provide financial assistance (primarily subsidized loans) to public water systems for drinking water projects and other specified activities. Through June 2012, Congress had provided $14.7 billion for the DWSRF program, and combined with the 20% state match, bond proceeds, and other funds, the program had generated $23.6 billion in assistance and supported 9,990 projects. To date, Congress has appropriated approximately $18.2 billion for the program. […] For FY2015, the President requested $757 million for the DWSRF program, while Congress provided $906.9 million in P.L. 113-235. For FY2016, the President has requested $1.186 billion for the program. Several measures in the 113th Congress proposed alternative approaches for financing water infrastructure. In the Water Resources Development Act of 2014, P.L. 113-121, Congress authorized a five-year pilot loan guarantee program to promote increased development of, and private investment in, water infrastructure projects. The conferees noted that the pilot program is intended to complement, not replace, the drinking water SRF program and the similar Clean Water Act SRF program. In the 114th Congress, bills have been introduced to authorize more funding for existing programs and to revise the tax code to stimulate private-sector investment in water infrastructure projects."
Library of Congress. Congressional Research Service
Tiemann, Mary
2015-02-06
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Overview of Unconventional Oil and Natural Gas: Resources and Federal Actions [April 7, 2015]
"The United States has seen resurgence in petroleum production, mainly driven by technology improvements--especially hydraulic fracturing and directional drilling--developed for natural gas production from shale formations. Application of these technologies enabled natural gas to be economically produced from shale and other unconventional formations and contributed to the United States becoming the world's largest natural gas producer in 2009. Use of these technologies has also contributed to the rise in U.S. oil production over the last few years. In 2009, annual oil production increased over 2008, the first annual rise since 1991, and has continued to increase each year since. Between January 2008 and May 2014, U.S. monthly crude oil production rose by 3.2 million barrels per day, with about 85% of the increase coming from shale and related tight oil formations in Texas and North Dakota. Other tight oil plays are also being developed, helping raise the prospect of energy independence, especially for North America." This document includes graphs, tables and images to illustrate the text.
Library of Congress. Congressional Research Service
Tiemann, Mary; Ratner, Michael
2015-04-07
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Drinking Water State Revolving Fund (DWSRF): Program Overview and Issues [April 8, 2015]
"In the Safe Drinking Water Act (SDWA) Amendments of 1996, Congress authorized a drinking water state revolving loan fund (DWSRF) program to help public water systems finance infrastructure projects needed to comply with federal drinking water regulations and to meet the act's health objectives. Under this program, states receive annual capitalization grants to provide financial assistance (primarily subsidized loans) to public water systems for drinking water projects and other specified activities. Through June 2012, Congress had provided $14.7 billion for the DWSRF program, and--combined with the 20% state match, bond proceeds, and other funds--the program had generated $23.6 billion in assistance for 9,990 projects. To date, Congress has appropriated more than $19 billion for the program. The latest Environmental Protection Agency (EPA) survey of capital improvement needs for public water systems indicates that these water systems need to invest $384.2 billion on infrastructure improvements over 20 years to ensure the provision of safe tap water. EPA reports that, although all of the identified projects promote the public health objectives of the SDWA, just $42.0 billion (10.9%) of reported needs are attributable to SDWA compliance."
Library of Congress. Congressional Research Service
Tiemann, Mary
2015-04-08
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Human-Induced Earthquakes from Deep-Well Injection: A Brief Overview [May 12, 2015]
"The development of unconventional oil and natural gas resources using horizontal drilling and high-volume hydraulic fracturing has created new demand for wastewater disposal wells that inject waste fluids into deep geologic strata. Deep-well injection has long been the environmentally preferred method for managing produced brine and other wastewater associated with oil and gas production. However, an increasing concern in the United States is that injection of these fluids may be responsible for increasing rates of seismic activity. The number of earthquakes of magnitude 3.0 or greater in the central and eastern United States has increased dramatically since about 2009 from an average of approximately 20 per year between 1970 and 2000 to over 100 per year in the period 2010-2013. Some of these earthquakes may be felt at the surface. […] The Environmental Protection Agency's (EPA) Underground Injection Control (UIC) program under the Safe Drinking Water Act (SDWA) regulates the subsurface injection of fluids to protect underground drinking water sources. EPA has issued regulations for six classes of injection wells, including Class II wells used for oil and gas wastewater disposal and enhanced recovery. Most oil and gas states administer the Class II program. Although the SDWA does not address seismicity, EPA rules for certain well classes require evaluation of seismic risk. Such requirements do not apply to Class II wells; however, EPA has developed a framework for evaluating seismic risk when reviewing Class II permit applications in states where EPA administers this program."
Library of Congress. Congressional Research Service
Folger, Peter (Peter Franklin); Tiemann, Mary
2015-05-12
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Fluoride in Drinking Water: A Review of Fluoridation and Regulation Issues [April 5, 2013]
"According to the Centers for Disease Control and Prevention (CDC), in 2010, 73.9% of the people in the United States who receive their water from a public water system received fluoridated water (roughly 204.3 million people). One of CDC's national health goals is to increase the proportion of the U.S. population served by community water systems with 'optimally' fluoridated drinking water to 79.6% by 2020. The decision to add fluoride to a water supply is made by local or state governments. The Department of Health and Human Services (HHS) had long recommended an optimal fluoridation level in the range of 0.7 to 1.2 milligrams per liter (mg/L) to prevent tooth decay. The fluoridation of drinking water often generates both strong support and opposition within communities. This practice is controversial because fluoride has been found to have beneficial effects at low levels and is intentionally added to many public water supplies; however, at higher concentrations, it is known to have toxic effects. The Environmental Protection Agency (EPA) regulates the amount of fluoride that may be present in public water supplies to protect against fluoride's adverse health effects. Fluoridation opponents have expressed concern regarding potential adverse health effects of fluoride ingestion, and some view the practice as an unjustified infringement on individual freedom. The medical and public health communities generally have recommended water fluoridation, citing it as a safe, effective, and equitable way to provide dental health protection community-wide."
Library of Congress. Congressional Research Service
Tiemann, Mary
2013-04-05
