Laws & Regulations
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P.S. Marston Associates, LLC, CWA-01-2025-0016
Notice of Proposed Assessment of Class II Civil Penalty and Notice of Opportunity for a Hearing under Section 311(b)(6)(B)(ii) of the Clean Water Act (CWA) for P.S. Marston Associates, LLC, North Hampton, NH, CWA-01-2025-0016.
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Webco Chemical Corporation, CWA-01-2025-0009
Notice of Proposed Assessment of Class II Clean Water Act Sections 309(g)(2)(B) Administrative Penalties and Opportunity to Comment for Webco Chemical Corporation, Dudley, MA, CWA-01-2025-0009 .
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Controlling Air Pollution from Oil and Natural Gas Operations
EPA regulations for the oil and natural gas industry help combat climate change and reduce air pollution that harms public health. EPA’s regulations apply to oil production, and the production, process, transmission and storage of natural gas.
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Oldcastle Materials Midwest, Inc. d/b/a Omni Engineering - Clean Water Act Public Notice
The EPA is providing notice of a proposed Administrative Penalty Assessment in the form of an Expedited Settlement Agreement (“ESA”) against Oldcastle Materials Midwest, Inc. d/b/a Omni Engineering for alleged violations at the Omaha, Nebraska facility
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2024 Cummins Inc. Vehicle Emission Control Violations Settlement
The U.S. Environmental Protection Agency and the Department of Justice, with the state of California, reached a settlement agreement with Cummins, Inc. for vehicle emission control violations under the Clean Air Act that includes a $1.675 civil penalty.
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Fourth Unregulated Contaminant Monitoring Rule
This page contains a list of UCMR 4 Contaminants and Analytical Methods
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Third Unregulated Contaminant Monitoring Rule
This page contains a list of UCMR 3 Contaminants and Analytical Methods
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State Underground Storage Tank (UST) Programs
The state program approval (SPA) regulations set criteria for states to obtain the authority to operate in lieu of the federal program.
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CAA Title V Petition Dates in EPA Region 7 (Midwest)
When petitions for Title V permits being issued by permitting authorities in Region 7 (Midwest) are due.
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2008 STORET/WQX Workshop for Tribes Presentations
STORET/WQX Workshop for Tribes (Workshop dates: November 18-19, 2008): Presentations and webinars
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Region 9 CWA Water Pollution Control Presentations: WQX Workshop (August 2010)
Presentations from past workshops and webinars held by or in conjunction with the Water Tribal Office and its presentations from RTOC Water Quality breakout sessions.
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Reference Library of Water Quality Standards Policy and Guidance Documents
This page contains an index of specific EPA documents related to water quality standards, including those referenced in the Water Quality Standards Handbook.
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Templates for Developing Wetland Water Quality Standards
These templates are a tool to simplify development of protective wetland water quality standards.
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Use Attainability Analysis and the Use Revision Process
This interactive diagram can help states and authorized tribes establish or revise designated uses by addressing the steps and questions they should consider while conducting a Use Attainability Analysis (UAA).
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EPA-Approved South Coast Air District Regulations in the California SIP
EPA approved and compiled rules and regulations for the South Coast Air Quality Management District (AQMD) portion of the California State Implementation Plan (SIP).
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June 10, 2025 Update to Public Comment and Hearing Opportunity for Texas Gulflink LLC Deepwater Port Minor New Source Review and Federal Operating Permit Number R6NSRT5-DWP-GA9
Provides notice of public comment period and the opportunity to request a hearing on Texas Gulflink LLC Deepwater Port to be located approximately 26.6 nautical miles from Brazoria County in the Gulf of America.
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Interactive Version of the Electric Vehicle Label
Interactive electric vehicle fuel economy label displays and details.
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Revised Total Coliform Rule Level 1 Assessment Form
This form should be completed when a water system is notified that a Level 1 Assessment has been triggered as required under the Revised Total Coliform Rule (RTCR).
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Revised Total Coliform Rule Level 2 Assessment Sanitary Defect Correction Extension Request
Revised Total Coliform Rule Level 2 Assessment Sanitary Defect Correction Extension Request - This form should be used when requesting an extension on corrective actions after a Level 2 Assessment was triggered.
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TSCA 8(d) Health and Safety Data Reporting: Addition of 16 Substances
A description of the proposed rule under TSCA section 8(d) to require reporting of health and safety information to EPA