United States
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Industrial Wastewater Studies - Miscellaneous
Studies of industrial wastewater discharges from various industrial categories. The studies are used in the planning process for Effluent Guidelines regulations.
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Best Conventional Pollutant Control Technology Effluent Guidelines
Rules promulgating effluent limitations for industrial wastewater, based on Best Conventional Pollutant Control Technology (BCT), as defined at Clean Water Act section 304(b)(4). Covers multiple industrial categories.
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PCB Congeners by Low-Resolution GC-MS - Method 1628 (Not yet approved)
Clean Water Act Method 1628 measures polychlorinated biphenyls (PCBs) in wastewater (draft, July 2021)
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Approved CWA Test Methods: Organic Compounds
Analytical methods for organic compounds in water; promulgated under Clean Water Act section 304(h), published at 40 CFR Part 136
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CWA Analytical Methods: Contaminants of Emerging Concern
Test methods for pharmaceuticals and personal care products in wastewater and other contaminants of emerging concern
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Legal Authority for CWA Analytical Methods
Summary of legal authority for EPA issuance of Clean Water Act analytical methods (40 CFR Part 136)
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Approved CWA Test Methods for Pharmaceutical Pollutants
Chemical test methods for pharmaecutical pollutants in water. Approved for use with effluent guidelines regulations for the Pharmaceutical Manufacturing Category (40 CFR Part 439).
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Approved Industry-Specific CWA Test Methods
Approved analytical methods for wastewater from specific industries: Pharmceutical Manufacturing (40 CFR Part 439); Pesticide Chemicals Manufacturing (40 CFR Part 455)
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Alternate Test Procedure Documents
Documents supporting the Clean Water Act ATP program, described at 40 CFR 136.4 and 136.5.
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Other Clean Water Act Test Methods: Microbiological
Microbiological test methods for ambient water, wastewater and groundwater; and related publications. These methods are not approved under 40 CFR Part 136.
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EPA Publication Numbering System
Explanation of the EPA Publication Numbering System.
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Tribes and Territories Competition Selected Applications Table
Selected applications for the Climate Pollution Reduction Grants Tribes ad Territories competition
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Calculation of the Annual Part 71 Fee for Calendar Year 2021
Part 71 Presumptive Minimum Fee
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Calculation of the Part 70 Presumptive Minimum Fee Effective September 1, 2020 through August 31, 2021
Part 70 Presumptive Minimum Fee
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Oil and Gas NSPS EG Climate Review, Proposal
Regulatory Impact Analysis for the Proposed Standards of Performance for New, Reconstructed, and Modified Sources and Emissions Guidelines for Existing Sources: Oil and Natural Gas Sector Climate Review
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Maps of States with Water Reuse Regulations or Guidelines
Maps summarizing the states with current state-level regulations or specifications relating to certain water reuse sources and/or uses.
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If a permit is prioritized for enhanced outreach, does this mean that EPA will require stricter emission or discharge limits, or deny a permit?
An EPA regional’ office’s decisions on whether to issue a permit and, if so, the conditions to impose within a permit are distinct from the EPA regional office’s decisions about the outreach EPA may perform during the permitting process. EPA’s decisions on whether to issue a permit and what permit…
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Registration Open for Area of Concern Cross-Agency Partnership Summit, September 16-18 in Toledo, Ohio
Today, U.S. Environmental Protection Agency (EPA) and the Ohio Lake Erie Commission opened registration for the 2025 Areas of Concern (AOC) Cross-Agency Partnership Summit, which will be held September 16-18, 2025, at the Glass City Center in Toledo, Ohio.
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EPA Administrator Zeldin Wraps Up Swing Across New Mexico, Illinois, and Wisconsin, Touting President Trump’s One Big Beautiful Bill
EPA Administrator Zeldin Wraps Up Swing Across New Mexico, Illinois, and Wisconsin, Touting President Trump’s One Big Beautiful Bill.
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EPA Begins Final Cleanup of Ottawa Radiation Areas Superfund Site in Illinois
EPA will hold an availability session June 16 to answer questions about the cleanup
EPA News Release: EPA Begins Final Cleanup of Ottawa Radiation Areas Superfund Site in Illinois