United States
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Hypoxia Task Force Workgroups
Webpage describing the Hypoxia Task Force workgroups.
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Toxic and Priority Pollutants Under the Clean Water Act
Overview of pollutant lists used in Clean Water Act programs
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National Study of Nutrient Removal and Secondary Technologies
Overview of EPA research on nutrient removal at municipal wastewater treatment plants, including a national survey. Also includes links to related research and training materials on nutrient removal.
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Unused Pharmaceutical Disposal at Health Care Facilities
Study of unused pharmaceutical disposal practices at health care facilities
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Approved CWA Radiochemical Test Methods
Approved radiochemical test method publications for drinking water, wastewater and ambient water (40 CFR Part 136)
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Nonferrous Metals Manufacturing Effluent Guidelines Documents for 1974-1976 Rules
Federal Register notices for the 1974-76 initial rulemakings for the Nonferrous Metals Manufacturing Effluent Guidelines (40 CFR Part 421)
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Metal Finishing Effluent Guidelines - Regulations and Support Documents
Federal Register notices and support documents for Metal Finishing Effluent Guidelines and Standards
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Electroplating Effluent Guidelines - Regulations and Support Documents
Federal Register notices and support documents for Electroplating Effluent Guidelines and Standards
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Pulp, Paper and Paperboard Effluent Guidelines - Documents Related to 1998 Rule
Support documents for 1998 "Cluster Rule" amending the Pulp, Paper and Paperboard Effluent Guidelines and Standards (40 CFR Part 430)
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Pulp, Paper and Paperboard Effluent Guidelines - Documents Related to 1974 through 1986 Rules
Support documents for Pulp, Paper and Paperboard Effluent Guidelines: 1974, 1977, 1982 and 1986 rules.
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Metal Products and Machinery Effluent Guidelines Documents
Support documents for Metal Products and Machinery Effluent Guidelines (40 CFR Part 438)
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Organic Chemicals Effluent Guidelines Documents
Federal Register notices and documents supporting the OCPSF rules
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Approved CWA Test Methods: Inorganic Non‑Metals
Analytical methods promulgated under Clean Water Act Section 304(h), published at 40 CFR Part 136
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Support Documents for the Phase I Cooling Water Intake Rules (2001-2003)
Documents supporting the final Phase I rule for cooling water intakes.
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Learn about Effluent Guidelines
Key terms and concepts in the national Effluent Guidelines program
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Ore Mining and Dressing Effluent Guidelines
Overview and documents for Ore Mining and Dressing Effluent Guidelines and Standards (40 CFR Part 440)
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Approved CWA Test Methods: Metals
Analytical methods for metal pollutants in water; promulgated under Clean Water Act Section 304(h), published at 40 CFR Part 136
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FITS: Funding Integration Tool for Source Water
The Funding Integration Tool for Source Waters (FITS) is a one-stop-shop tool that explains how users can integrate various federal funding sources to protect sources of drinking water.
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Water Reuse Case Study: Oswego, Kansas
This is part of a series of case examples that highlight the different water reuse approaches communities have taken to meet their water quality and water quantity needs. In this example, a city reclaims treated municipal water for a golf course.
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Water Reuse Case Study: Fairfax County, Virginia
This case study examines how Fairfax County Virginia is reusing Treated Municipal Wastewater for Non-Potable Applications to Reduce Nutrient Loading and meet Total Maximum Daily Load requirements in the Chesapeake Bay