Learn the Issues
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Project Waiver of AIS Requirements for 30-inch Grooved-End Butterfly Valves for Shelby, North Carolina (DWSRF)
AIS waiver request approval.
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Request for AIS Waiver for Solenoid Control Valve for Destin, Florida (DWSRF)
AIS waiver request.
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Pretreatment Standards and Requirements-Categorical Pretreatment Standards
Overview of types of variances that can be granted for pretreatment standards.
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National Pretreatment Program Implementation
Overview of various pretreatment topics.
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Pretreatment Standards and Requirements-Applicability
Overview of types of variances that can be granted for pretreatment standards.
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Pretreatment Roles and Responsibilities
Overview of types of variances that can be granted for pretreatment standards.
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Combined Sewer Overflow Program Progress
Overview of combined sewer overflows (CSO), guidance, and policies.
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NPDES State Program Authorization Information
State authorization information, state authority information, and information on withdrawal petitions.
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Pretreatment Roles and Responsibilities-Industrial Users
Overview of types of variances that can be granted for pretreatment standards.
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Pesticide General Permit eNOI System User Guide
This user guide walks decision-makers through the process of submitting NOIs, NOTs, and Annual Reports.
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Combined Sewer Overflow Technical Assistance
NPDES CSO policy memoranda, reports to Congress, and trainings.
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Contact Us: Peak Flows at Sewage Treatment Plants
Contact information for Integrated Planning for Municipal Stormwater and Wastewater programs
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NPDES State Program Information
State authorization information, state authority information, and information on withdrawal petitions.
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National Pretreatment Program Overview
Overview of various pretreatment topics.
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USMCA Notice of Intent
In accordance with the National Environmental Policy Act, EPA will prepare an environmental impact statement (EIS) for the proposed United States-Mexico-Canada Agreement (USMCA) Mitigation of Contaminated Transboundary Flows project.
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USMCA Tijuana River Watershed Meeting Materials-November 19, 2020
Meeting materials for USMCA Tijuana River Watershed Eligible Public Entities Coordinating Group held November 19, 2020.
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EPA Community Grants - Funding
EPA Community Grants
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Mystic River Watershed Steering Committee Meeting, June 14, 2018
Document(s) from the June 14, 2018 Steering Committee Meeting for the Mystic River Watershed.
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Media and Listservs
List of free EPA and other federal government water and climate newsletters, listservs, and podcasts.