Laws & Regulations
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Air Emissions Reporting Requirements (AERR)
Regulation that outlines NEI requirements for reporting agencies
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2017 & 2009 Potable Water Treatment Facility General Permit (PWTF GP) for Massachusetts & New Hampshire
Documents, links & contacts for the Notice of Availability of the 2017 & 2009 NPDES General Permit for Discharges from Potable Water Treatment Facilities in Massachusetts (MAG640000) and New Hampshire (NHG640000).
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Extension of the Reformulated Gasoline Program to the Phoenix, Arizona Moderate Ozone Non-attainment Area
EPA is issuing a final rule today to revise the reformulated gasoline (RFG) regulations to include the Phoenix, Arizona moderate ozone nonattainment area in the federal RFG Program.
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General Procedures to Opt Out of the RFG Requirements.
EPA is issuing a final rule to provide criteria and procedures for states withvoluntary reformulated gasoline (RFG) programs to withdraw or opt-out areas from the federal RFG program.
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NPDES General Permit for Oil and Gas Exploration Facilities in Federal Waters of Cook Inlet
NPDES general permit and supporting documents for oil and gas exploration facilities in federal waters of Cook Inlet.
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Administrative Consequences Under the HFC Allocation Rule
This page illustrates administrative consequences for activities including, but not limited to, submitting false, inaccurate, or misleading information, as well as importing HFCs, without expending the requisite that have been issued as of March 31, 2022.
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Hydrofluorocarbons (HFCs)
The American Innovation and Manufacturing (AIM) Act outlines new requirements for listed hydrofluorocarbons (HFCs). This site will inform the public of the phasedown of HFCs as well as serve as a platform for stakeholder engagement.
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Custom Files for TRI Data Users
Custom-generated data files for users who contact the Toxics Release Inventory Program.
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401 KAR Chapter 51 - Attainment and Maintenance of the National Ambient Air Quality Standards
Attainment and Maintenance of the National Ambient Air Quality Standards Provisions of the Kentucky Air Pollution Control Regulations as of 8/28/25 - Chapter 51
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Report: The EPA Left $20 Million Unawarded in the Sewer Overflow and Stormwater Reuse Municipal Grants Program
Report: The EPA Left $20 Million Unawarded in the Sewer Overflow and Stormwater Reuse Municipal Grants Program
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Compliance
Information about EPA's Compliance program.
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Providing Safe Drinking Water in America: 2016 National Public Water Systems Compliance Report
The National Public Water Systems Compliance Report summarizes and evaluates annual reports submitted by primacy agencies regarding compliance at public water systems (PWSs) of all types and sizes in the U.S.
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Primary Clarifier Operations
This webinar will examine emerging contaminants, PFAS and PFOA, and discuss what they are including uses, properties, environmental impacts, and potential treatment methods for wastewater and drinking water.
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Everything You Wanted to Know about PFAS but Were Afraid to Ask: From the Operators’ Perspective
This webinar will examine emerging contaminants, PFAS and PFOA, and discuss what they are including uses, properties, environmental impacts, and potential treatment methods for wastewater and drinking water.
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Compliance Learning Agenda
Compliance learning agenda
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Resources and Guidance Documents for Compliance Assistance
A listing of documents relevant to compliance assistance policy and guidance
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Compliance Advisory: Clean Water Agencies Increasing Attention to Significant Non-Compliance Dischargers
This advisory is designed to help Clean Water Act National Pollutant Discharge Elimination System permittees achieve or maintain compliance and avoid potential enforcement and penalties.
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National Pollutant Discharge Elimination System (NPDES) Electronic Reporting Tool (NeT) Fact Sheet
Fact Sheet explaining the NPDES Electronic Reporting Tool
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State Review Framework (SRF) - Nebraska Final Reports
Details findings of the Nebraska state review framework
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Federal Insecticide, Fungicide and Rodenticide Act Compliance Monitoring
Overview of compliance monitoring under the Federal Insecticide, Fungicide, and Rodenticide Act.