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For Clean Water Act of Ontario, Canada, see Clean Water Act (Ontario).

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Clean Water Act
Great Seal of the United States
Long titleFederal Water Pollution Control Amendments of 1972
Acronyms (colloquial)CWA / Clean Water Act
Enacted bythe 92nd United States Congress
EffectiveOctober 18, 1972
Citations
Public lawP.L. 92-500
Statutes at Large86 Stat. 816 (1972)
Codification
Acts amendedFederal Water Pollution Control Act
Titles amended33 (Navigable Waters)
U.S.C. sections created33 U.S.C. § 1251 et seq.
Legislative history
  • Introduced in the Senate as S.2770 by Edmund Muskie on October 28, 1971
  • Committee consideration by Senate Public Works Committee
  • Passed the Senate on November 2, 1971 
  • Passed the House on March 29, 1972 
  • Reported by the joint conference committee on October 4, 1972; agreed to by the House on October 4, 1972  and by the Senate on October 4, 1972 
  • Signed into law by President Richard Nixon (Congressional override of Presidential Veto) on October 18, 1972
Major amendments
Clean Water Act of 1977; Water Quality Act of 1987

The Clean Water Act is the primary federal law in the United States governing water pollution.[1] Commonly abbreviated as the CWA, the act established the symbolic goals of eliminating releases to water of high amounts of toxic substances, eliminating additional water pollution by 1985, and ensuring that surface waters would meet standards necessary for human sports and recreation by 1983.

The principal body of law currently in effect is based on the Federal Water Pollution Control Amendments of 1972, which significantly expanded and strengthened earlier legislation.[2] Major amendments were enacted in the Clean Water Act of 1977 enacted by the 95th United States Congress[3] and the Water Quality Act of 1987 enacted by the 100th United States Congress.[4]

Waters Protected Under the CWA

The Act governs discharges to waters of the United States. Older statutory language used the term "navigable waters," but this term was expanded in the 1972 law:

The term "navigable waters" means the waters of the United States, including the territorial seas.[5]

The term has been clarified by government regulations to include water features such as intermittent streams, playa lakes, prairie potholes, sloughs and wetlands.[6] The definition has also been examined in litigation, including Supreme Court cases.

Congress chose to define the waters covered by the Act broadly. Although the Act prohibits discharges into "navigable waters," ... the Act's definition of "navigable waters" as "the waters of the United States" makes it clear that the term "navigable" as used in the Act is of limited import. In adopting this definition of "navigable waters," Congress evidently intended to repudiate limits that had been placed on federal regulation by earlier water pollution control statutes and to exercise its powers under the Commerce Clause to regulate at least some waters that would not be deemed "navigable" under the classical understanding of that term.[7]

Pollution control strategy in the CWA

Point sources

The 1972 act introduced a permit system for regulating point sources of pollution. Point sources include:

Point sources may not discharge pollutants to surface waters without a permit from the National Pollutant Discharge Elimination System (NPDES). This system is managed by the United States Environmental Protection Agency (EPA) in partnership with state environmental agencies. EPA has authorized 46 states to issue permits directly to the discharging facilities. The CWA also allows tribes to issue permits, but no tribes have been authorized by EPA. In the remaining states and territories, the permits are issued by an EPA regional office.[8]

In previous legislation, Congress had authorized states to develop water quality standards, which would limit discharges from facilities based on the characteristics of individual water bodies. However, these standards were only to be developed for interstate waters, and the science to support this process (i.e. data, methodology) was in the early stages of development. This system was not effective and there was no permit system in place to enforce the requirements. In the 1972 CWA Congress added the permit system and a requirement for technology-based effluent limitations.[9]

Technology-based standards

The 1972 CWA created a new requirement for technology-based standards for point source discharges. EPA develops these standards for categories of dischargers, based on the performance of pollution control technologies without regard to the conditions of a particular receiving water body. The intent of Congress was to create a "level playing field" by establishing a basic national discharge standard for all facilities within a category, using a "Best Available Technology." The standard becomes the minimum regulatory requirement in a permit. If the national standard is not sufficiently protective at a particular location, then water quality standards may be employed.[10]

Water quality standards

The 1972 act authorized continued use of the water quality-based approach, but in coordination with the technology-based standards. After application of technology-based standards to a permit, if water quality is still impaired for the particular water body, then the permit agency (state or EPA) may add water quality-based limitations to that permit. The additional limitations are to be more stringent than the technology-based limitations and would require the permittee to install additional controls.

Nonpoint sources

Congress exempted some water pollution sources from the point source definition in the 1972 CWA, and was unclear on the status of some other sources. These sources were therefore considered to be nonpoint sources that were not subject to the permit program.

Agricultural stormwater discharges and irrigation return flows were specifically exempted from permit requirements.[11] Congress, however, provided support for research programs at the U.S. Department of Agriculture to improve runoff management practices on farms.

Stormwater runoff from industrial sources, municipal storm drains, and other sources were not specifically addressed in the 1972 law. EPA declined to include urban runoff and industrial stormwater discharges in the NPDES program and consequently was sued by an environmental group. The courts ruled that stormwater discharges must be covered by the permit program.[12]

A growing body of research during the late 1970s and 1980's indicated that stormwater runoff was a significant cause of water quality impairment in many parts of the U.S. In the early 1980s EPA conducted the Nationwide Urban Runoff Program (NURP) to document the extent of the urban stormwater problem. The agency began to develop regulations for stormwater permit coverage, but encountered resistance from industry and municipalities, and there were additional rounds of litigation.

In the Water Quality Act of 1987 (1987 WQA) Congress responded to the stormwater problem by requiring that industrial stormwater dischargers and municipal separate storm sewer systems (often called "MS4") obtain NPDES permits, by specific deadlines. The permit exemption for agricultural discharges continued, but Congress created a nonpoint source pollution demonstration grant program at EPA to expand the research and development of nonpoint controls and management practices.

Financing of pollution controls

Congress created a major public works financing program for municipal sewage treatment in the 1972 CWA. A system of grants for construction of municipal sewage treatment plants was authorized and funded in Title II. In the initial program the federal portion of each grant was up to 75 percent of a facility's capital cost, with the remainder financed by the state. In subsequent amendments Congress reduced the federal proportion of the grants and in the 1987 WQA transitioned to a revolving loan program in Title VI. Industrial and other private facilities are required to finance their own treatment improvements on the "polluter pays" principle.

Major statutory provisions

The Act has six titles.

Title I - Research and Related Programs

Title I includes a Declaration of Goals and Policy[13] and various grant authorizations for research programs and pollution control programs. Some of the programs authorized by the 1972 law are ongoing (e.g. section 104 research programs, section 106 pollution control programs, section 117 Chesapeake Bay Program) while other programs are no longer operational.

Title II - Grants for Construction of Treatment Works

To assist municipalities in creating or expanding sewage treatment plants, also known as Publicly-Owned Treatment Works (POTW), Title II established a system of construction grants. This was replaced by the Clean Water State Revolving Fund in the 1987 WQA. See Title VI.

Title III - Standards and enforcement

Discharge permits required

Section 301 of the Act prohibits discharges to waters of the U.S. except with a permit.[14] (See Title IV for discussion of permit programs.)

Technology-Based Standards Program

Under the 1972 act EPA began to issue technology-based standards for municipal and industrial sources.

  • Municipal sewage treatment plants (POTW) are required to meet secondary treatment standards.[15]
  • Effluent guidelines (for existing sources) and New Source Performance Standards are issued for categories of industrial facilities discharging directly to surface waters.[16]
  • Categorical Pretreatment Standards are issued to industrial users (also called "indirect dischargers") contributing wastes to POTW.[17] These standards are developed in conjunction with the effluent guidelines program.

To date, the effluent guidelines and categorical pretreatment standards regulations have been published for 56 categories and apply to between 35,000 and 45,000 facilities that discharge directly to the nation's waters. These regulations are responsible for preventing the discharge of almost 700 billion pounds of pollutants each year.[18] EPA has updated some categories since their initial promulgation and has added new categories.

The secondary treatment standards for POTWs and the effluent guidelines are implemented through NPDES permits. (See Title IV.) The categorical pretreatment standards are typically implemented by POTWs through permits that they issue to their industrial users.[19]

Water Quality Standards Program

Water quality standards (WQS) are risk-based (also called hazard-based) requirements which set site-specific allowable pollutant levels for individual water bodies, such as rivers, lakes, streams and wetlands. States set WQS by designating uses for the water body (e.g., recreation, water supply, aquatic life, agriculture) and applying water quality criteria (numeric pollutant concentrations and narrative requirements) to protect the designated uses. An antidegradation policy is also issued by each state to maintain and protect existing uses and high quality waters.[20]

Water bodies that are repeatedly out of compliance with the applicable water quality standards are subject to a Total Maximum Daily Load. A Total Maximum Daily Load (TMDL), is a calculation of the maximum amount of a pollutant that a water body can receive and still meet WQS. The TMDL is determined after study of the specific properties of the water body and the pollutant sources that contribute to the non-compliant status. Once the TMDL assessment is completed and the maximum pollutant loading capacity defined, an implementation plan is developed that outlines the measures needed to reduce pollutant loading to the non-compliant water body, and bring it into compliance. Over 60,000 TMDLs are proposed or in development for U.S. waters in the next decade and a half.

Following the issuance of a water quality standard or TMDL for a water body, implementation of the requirements involves modification to NPDES permits for facilities discharging to the water body (see Title IV).

While the effluent guidelines have been largely successful, because they apply to specific sources and are enforceable, the WQS have been much less so. As of 2007, approximately half of the rivers, lakes, and bays under EPA oversight were not safe enough for fishing and swimming. [21] The development of WQS is a complex process, both scientifically and legally, and it is a resource-intensive process for state agencies.

National Water Quality Inventory

Section 305(b) requires EPA and the states to compile a biennial Report to Congress on the nation's water quality.[22]

Enforcement

Under section 309, EPA can issue administrative orders against violators, and seek civil or criminal penalties when necessary.[23]

  • For a first offense of criminal negligence, the minimum fine is $2,500, with a maximum of $25,000 fine per day of violation. A violator may also receive up to a year in jail. On a second offense, a maximum fine of $50,000 per day may be issued.
  • For a knowing endangerment violation, i.e. placing another person in imminent danger of death or serious bodily injury, a fine may be issued up to $250,000 and/or imprisonment up to 15 years for an individual, or up to $1,000,000 for an organization.

States that are authorized by EPA to administer the NPDES program must have authority to enforce permit requirements under their respective state laws.

Federal facilities

Military bases, national parks and other federal facilities must comply with CWA provisions.[24]

Thermal pollution

Section 316 requires standards for thermal pollution discharges, as well as standards for cooling water intake structures.[25] These standards are applicable to power plants and other industrial facilities.

Nonpoint Source Management Program

The 1987 amendments created the Nonpoint Source Management Program under CWA section 319.[26] This program provides grants to states, territories and Indian tribes to support demonstration projects, technology transfer, education, training, technical assistance and related activities designed to reduce nonpoint source pollution. Grant funding for the program averaged $210 million annually for Fiscal Years 2004 through 2008.[27]

Title IV - Permits and licenses

State certification of compliance

States are required to certify that discharges authorized by permits will not violate water quality standards.[28]

NPDES permits for point sources

The NPDES permit program is authorized by CWA section 402.[29] The initial permits issued in the 1970s and early 1980s focused on POTWs and industrial wastewater--typically "process" wastewater and cooling water where applicable, and in some cases, industrial stormwater. The 1987 WQA expanded the program to cover stormwater discharges explicitly, both from municipal separate storm sewer systems (MS4) and industrial sources.[30] The MS4 NPDES permits require regulated municipalities to use Best Management Practices to reduce pollutants to the "Maximum Extent Practicable."

Non-stormwater permits typically include numeric effluent limitations for specific pollutants. Facilities must periodically monitor their effluent (i.e. collect and analyze wastewater samples), and submit Discharge Monitoring Reports to the appropriate agency, to demonstrate compliance. Stormwater permits typically require facilities to prepare a Stormwater Pollution Prevention Plan and implement best management practices, but do not specify numeric effluent limits and may not include regular monitoring requirements. Some permits cover both stormwater and non-stormwater discharges. NPDES permits must be reissued every five years. Permit agencies (EPA, states, tribes) must provide notice to the public of pending permits and provide an opportunity for public comment.[31]

Dredge and Fill Exemptions

After passage of the CWA in 1972, a controversy arose as to its application to agriculture and certain other activities. The Act was interpreted by some to place restrictions on virtually all placement of dredged materials in wetlands and other waters of the United States, raising concern that the federal government was about to place all agricultural activities under the jurisdiction of the Army Corps of Engineers. For opponents of the Act, section 404 had, as a result of this concern, become a symbol of dramatic over-regulation.[32]: 901–903  When Congress considered the 1977 CWA Amendments, a significant issue was to assure that certain agricultural activities and other selected activities, could continue without the government’s supervision--in other words, completely outside the regulatory or permit jurisdiction of any federal agency.

The 1977 amendments included a set of six section 404 exemptions. For example, totally new activities such as construction of farm roads, Sec. 1344(f)(1)(E), construction of farm or stock ponds or irrigation ditches, and minor agricultural drainage, Sec. 1344(f)(1)(A), all are exempted by Statute. Section 1344(f)(1)(C), which exempts discharge of dredged material “for the purpose of. . . the maintenance of drainage ditches.” All of these exemptions were envisioned to be self-executing, that is not technically requiring an administrative no-jurisdiction determination. One such example was the maintenance of agricultural drainage ditches.[32]: 906  Throughout the hearing process, Congressmen of every environmental persuasion repeatedly stated that the over $5 Billion invested in drainage facilities could be maintained without government regulation of any kind.[32]: 906–912  Senator Edmund Muskie, for example, explained that exempt activities such as agricultural drainage would be entirely unregulated.[32]: 949  Other exemptions were granted as well, including exemptions for normal farming activities.

Importance of No-Jurisdiction Determinations

Despite the fact that Congress envisioned a set of self-executing exemptions, it has become common for landowners to seek no-jurisdiction determinations from the US Army Corps of Engineers. A landowner who intends to make substantial investments in acquisition or improvement of land might lawfully proceed with exempt activity, a permit not being required. The problem is that should the activity later be determined not exempt, the agency will issue a ceased and desist order. Obtaining an advanced ruling provides some level of comfort that the activities will have been deemed conducted in good faith.

Recapture of Exemptions

Because some of the six exemptions involved new activities, such as minor drainage and silviculture (the clearing of forests by the timber industry), Congress recognized the need to impose some limitations on exemptions. Consequently, Congress placed the so-called recapture clause limitation on these new project exemptions. Under section 404(f)(2), such new projects would be deprived of their exemption if all of the following three characteristics could be shown:

  1. A discharge of dredge or fill material in the navigable waters of the United States;
  2. The discharge is incidental to an activity having as its purpose the bringing of an area of navigable waters into a use to which it was not previously subject, and
  3. Where the flow or circulation of navigable waters may be impaired or the reach of such waters may be reduced.

To remove the exemption, all of these requirements must be fulfilled -- the discharge, the project purpose of bringing an area into a use to which it was not previously subject, and the impairment or reduction of navigable waters.

Dredge and fill permits (wetlands)

Under sections 301 and 502 of the Clean Water Act,[33] any discharge of dredged or fill materials into "waters of the United States," including wetlands, is forbidden unless authorized by a permit issued by the Army Corps of Engineers pursuant to section 404.[34] Essentially, all discharges of fill or dredged material affecting the bottom elevation of a jurisdictional water of the U.S. require a permit from the Army Corps. These permits are an essential part of protecting wetlands, which are often filled by land developers. Wetlands are vital to the ecosystem in filtering streams and rivers and providing habitat for wildlife.

There are two main types of wetlands permits: general permits and individual permits. General permits change periodically and cover broad categories of activities, and require the user to comply with all stated conditions. General permits (such as the Nationwide Permits) are issued for fill activities that will result in minimal adverse effects to the environment. Individual permits are utilized for actions that are not addressed by a general permit, or that do not meet the conditions of a General Permit. In addition, individual permits typically require more analysis than do the general permits, and usually require much more time to prepare the application and to process the permit.

When the Corps processes an application for an Individual Permit, the Corps must publish/issue a public notice (typically in the Federal Register) describing the proposed action described in the permit application. The public notice must be issued no later than fifteen days after the Corps determines the application to be complete. Although the District Engineer makes the decision to grant a permit, the EPA Administrator may veto a permit if it is not reasonable. Before making such a decision, however, EPA must consult with the Army. A wetlands permit expires after five years.

When a state wants a permit, they make sure that all other states being affected are aware they will be sent a copy of the request and the state is able to write a recommendation. A state permit also expires after five years.

POTW Biosolids Management Program

The 1987 WQA created a program for management of biosolids (sludge) generated by POTWs.[35]

Title V - General Provisions

Citizen suits

U.S. citizens may file a citizen suit against a CWA violator if EPA or a state fails to take enforcement action.[36]

Employee protection

The 1972 act added an employee ("whistleblower") protection provision. Employees in the U.S. who believe they were fired or suffered adverse action related to enforcement of the CWA may file a written complaint with the Occupational Safety and Health Administration.[37]

Title VI - State Water Pollution Control Revolving Funds

The Clean Water State Revolving Fund (CWSRF) program was authorized by the 1987 WQA.[38] This replaced the municipal construction grants program, which was authorized in the 1972 law under Title II. In the CWSRF, federal funds are provided to the states and Puerto Rico to capitalize their respective revolving funds, which are used to provide financial assistance (loans or grants) to local governments for wastewater treatment, nonpoint source pollution control and estuary protection.

The fund provides loans to municipalities at lower-than-market rates. As of 2007 the average rate was 2.1 percent nationwide, compared to an average market rate of 4.3 percent.[39] In 2006, CWSRF assistance totaling $5 billion was provided to 1,858 local projects across the country.[40]

Earlier legislation

Congress first addressed water pollution issues in the Rivers and Harbors Act of 1899.[41] Portions of this law remain in effect, including the Refuse Act, while others have been superseded by various amendments, including the 1972 CWA.

Other notable predecessor legislation includes the following.

  • Public Health Service Act of 1912. Expanded the mission of the United States Public Health Service to study problems of sanitation, sewage and pollution.[42]
  • Oil Pollution Act of 1924. Prohibited the intentional discharge or fuel oil into coastal waters.[43] Repealed by 1972 CWA.
  • Federal Water Pollution Control Act of 1948. Created a comprehensive set of water quality programs that also provided some financing for state and local governments. Enforcement was limited to interstate waters. The Public Health Service provided financial and technical assistance.[44]
  • Water Quality Act of 1965. Required states to issue water quality standards for interstate waters, and authorized the newly-created Federal Water Pollution Control Administration to set standards where states failed to do so.[45]

Recent developments

On July 25 2007, Senator Russell Feingold, Democrat from Wisconsin, introduced legislation to reiterate the Congress' objective in passing the Federal Water Pollution Control Amendments of 1972. The bill states that it was Congress' intention to protect all waters of the United States. Known as the "Clean Water Restoration Act" and co-sponsored by 19 Senators, the bill being reviewed by the House Transportation and Infrastructure Committee. This is considered by many environmental groups to be a necessary step towards reversing recent Supreme Court rulings that have repealed protection for as much as 60 percent of the nation's waters.

Case law

See also

References

  1. ^ 33 U.S.C. § 1251 et seq.
  2. ^ Pub.L. 92-500, October 18, 1972.
  3. ^ Pub.L. 95-217, December 27, 1977.
  4. ^ Pub.L. 100-4, February 4, 1987.
  5. ^ CWA sec. 502(7), 33 U.S.C. § 1367(7).
  6. ^ Code of Federal Regulations, 33 CFR Part 328; 40 CFR 122.2;40 CFR 230.3(s).
  7. ^ a b U.S. Supreme Court. United States v. Riverside Bayview Homes, 474 U.S. 121 (1985).
  8. ^ U.S. Environmental Protection Agency (EPA). Washington, D.C. NPDES State Program Status
  9. ^ Water Pollution Control Foundation (WPCF): "The Clean Water Act of 1987." Joan M. Kovalic et al. Alexandria, VA, 1987. ISBN 978-0943244402.
  10. ^ EPA. "NPDES Permit Writers' Manual." Chapter 1. December 1996. Document No. EPA-833-B-96-003.
  11. ^ CWA 502(14), 33 U.S.C. § 1362.
  12. ^ Natural Resources Defense Council v. Train, 396 F.Supp. 1393 (D.D.C. 1975), aff'd. by NRDC v. Costle, 568 F.2d 1369 (D.C. Cir. 1977).
  13. ^ CWA 101, 33 U.S.C. § 1251.
  14. ^ CWA 301(a), 33 U.S.C. § 1311(a).
  15. ^ CWA 304(d)(1), 33 U.S.C. § 1314(d)(1) and Secondary Treatment Regulation Code of Federal Regulations, 40 CFR Part 133
  16. ^ CWA 301, 33 U.S.C. § 1311; CWA 304(b), 33 U.S.C. § 1314(b); and CWA 306, 33 U.S.C. § 1316.
  17. ^ CWA 307(b), 33 U.S.C. § 1317(b); and CWA 307(c), 33 U.S.C. § 1317(c).
  18. ^ EPA. EPA Evaluation Report: Effectiveness of Effluent Guidelines Program for Reducing Pollutant Discharges Uncertain. Report No. 2004-P-00025. August 24, 2004.
  19. ^ EPA. "Introduction to the National Pretreatment Program." February 1999. Document No. EPA-833-B-98-002.
  20. ^ EPA. "NPDES Permit Writers' Manual." Chapter 6. December 1996. Document No. EPA-833-B-96-003.
  21. ^ National Public Radio. Cities Battle Over River's Pollution Level. Susan Sharon. May 17, 2007.
  22. ^ CWA 305(b), 33 U.S.C. § 1315(b).
  23. ^ CWA 309, 33 U.S.C. § 1319.
  24. ^ CWA 313, 33 U.S.C. § 1323.
  25. ^ 33 U.S.C. § 1326.
  26. ^ 33 U.S.C. § 1329.
  27. ^ EPA. "Clean Water Act Section 319(h) Grant Funds History." Accessed 2008-07-28.
  28. ^ CWA 401, 33 U.S.C. § 1341.
  29. ^ 33 U.S.C. § 1342.
  30. ^ CWA 402(p), 33 U.S.C. § 1342(p).
  31. ^ EPA. "NPDES Permit Writers' Manual." Chapter 3. December 1996. Document No. EPA-833-B-96-003.
  32. ^ a b c d U.S. Congress. Senate. Committee on Public Works (1978). "A Legislative History of the Clean Water Act of 1977." Serial No. 95-14. Vol. 4. Washington, DC: U.S. Government Printing Office.
  33. ^ 33 U.S.C. § 1311, 33 U.S.C. § 1362.
  34. ^ 33 U.S.C. § 1344.
  35. ^ CWA 405, 33 U.S.C. § 1345.
  36. ^ CWA 505, 33 U.S.C. § 1365
  37. ^ CWA 507, 33 U.S.C. § 1367.
  38. ^ CWA 601, 33 U.S.C. § 1381 et seq.
  39. ^ EPA. "Clean Water State Revolving Fund." Accessed 2008-01-12.
  40. ^ EPA. "Clean Water State Revolving Fund Programs: 2006 Annual Report," p. 24. March 2007. Document No. EPA-832-R-07-001.
  41. ^ Ch. 425, Sec. 9, 30 Stat. 1151. 33 U.S.C. § 401. March 3, 1899.
  42. ^ 37 Stat. 309. August 14, 1912.
  43. ^ 43 Stat. 604.
  44. ^ Pub.L. 80-845, June 30, 1948.
  45. ^ Pub.L. 89-234, October 2, 1965
  46. ^ 531 U.S. 159 (2001).
  47. ^ 547 U.S. 370 (2006).
  48. ^ 547 U.S. 715 (2006).
  49. ^ 551 U.S. ___, 127 S.Ct. 2518 (June 25, 2007). Slip Opinion No. 06-340.

CWA text and analysis

EPA programs

Research programs

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