Laws & Regulations
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Emissions Trading Could Satisfy Best Available Retrofit Technology Requirements Under EPAs Regional Haze Program
EPA has proposed an emissions trading program to help state and tribal governments improve visibility in national parks and wilderness areas.
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Proposed Rulemaking: Guidelines for Best Available Retrofit Technology (BART) Determinations Under the Regional Haze Rule and Amendments to the Regional Haze Rule
Proposal to amend regional haze rule to provide guidelines to states and tribes for determining how to set pollution limits for older facilities.
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Technical memoranda related to air permitting for sawmills in Region 10
Air Permits Issued By Region 10: Technical Memoranda For Sawmills
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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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FY 2011 Pollution Prevention Grant Results Summary
The Pollution Prevention Program reports the environmental results of grants. These grants produce annual environmental results in pounds of hazardous materials reduced, BTUs of energy, water and dollars saved.
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FY 2011 Source Reduction Assistance Grant Results Summary
The Pollution Prevention Program reports the environmental results of grants. These grants produce annual environmental results in pounds of hazardous materials reduced, BTUs of energy, water and dollars saved.
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Petitions for Reconsideration and Judicial Review Under the AIM Act
This page lists petitions for reconsideration of specific provisions of the final rule titled “Restrictions on the Use of Certain Hydrofluorocarbons Under the America Innovation and Manufacturing Act of 2020.”
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How Water Utilities can electronically deliver their CCR
Provides an overview of electronic delivery methods and describes approaches for community water systems that may want to implement electronic delivery.
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Consumer Confidence Report Rule: A Quick Reference Guide
A quick reference guide to drinking water regulation - Consumer Confidence Report (CCR) Rule.
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Annual Drinking Water Compliance Report of District of Columbia
Drinking water compliance report for District of Columbia in calendar years 2014-2019
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2009 Report -- Petroleum Brownfields: Developing Inventories
Learn how to develop an inventory of low-risk, petroleum-contaminated brownfields properties.
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Evaluation Program for Aftermarket Retrofit Devices
EPA conducts a voluntary program to evaluate aftermarket devices and fuel additives that manufacturers claim will improve fuel economy and/or reduce exhaust emissions for passenger cars and trucks.
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California Tribal Lands National Pollutant Discharge Elimination System (NPDES) Permits
EPA’s Pacific Southwest (Region 9) issues all NPDES permits on tribal lands in California and for any discharges into federal ocean waters (for these permits, see: California NPDES Permits).
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Proposed Reissuance of National Pollutant Discharge Elimination System (NPDES) Permit No. CA0005241; Dry Creek Rancheria Wastewater Treatment Plant, Geyserville, CA
EPA Pacific Southwest (Region 9) is issuing notice of proposed action under the Clean Water Act to reissue a National Pollutant Discharge Elimination System (NPDES) permit No. CA0005241 for Dry Creek Rancheria Wastewater Treatment Plant, Geyserville, CA.
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CA0005241: Dry Creek Rancheria Wastewater Treatment Plant, Geyserville, CA
Document related to EPA's proposed renewal of a National Pollutant Discharge Elimination System (NPDES) Permit No. CA0005241 to: Dry Creek Rancheria Band of Pomo Indians.
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Scientific Integrity Surveys
Scientific Integrity Survey information and links to previous survey results.
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November 2025 Decisions on Petitions for RFS Small Refinery Exemptions
EPA announces its decisions on 16 petitions from 8 small refineries seeking small refinery exemptions from the Renewable Fuel Standard program for the 2021–2024 compliance years.
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EPA Collaboration on International Air Pollution Standards for Ships
Overview of EPA coordination with International Maritime Organization including a list of all international regulations and materials related to emissions from marine compression-ignition (diesel) engines.
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Maine NPDES Permits
NPDES Permits for Maine
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Public Notice: (Draft General Permit) Municipal Separate Storm Water Sewer System, State of Maine, MER041000 (Revised Modification)
A public notice of the draft general permit revised modification for the Municipal Separate Storm Water Sewer System, State of Maine, MER041000.