Laws & Regulations
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State/Territory/Navajo Nation Annual Public Water Systems Compliance Report
Provides links to annual public water systems (PWS) compliance reports for states, territories, and tribes with enforcement primacy.
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Important OCIR (SCAS)PDF Documents
This page will hold important OCIR SCAS PDF docs.
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City of Decatur, Arkansas - Clean Water Act Public Notice
The EPA is providing notice of a proposed Administrative Penalty Assessment in the form of an Expedited Settlement Agreement against the city of Decatur, Arkansas, for alleged violations associated with the management of sewage sludge in or around Decatur,
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New Source Review (NSR) Actual-to-Projected Actual Memorandum
This document is part of the NSR Policy & Guidance Database.
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Physical Change or Change in the Method of Operation
Explanation of Physical Change or Change in the Method of Operation
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Halons Program
Learn about EPA's effort to address ozone layer depletion by establishing installation, handling, and emissions requirements for halon fire suppression systems.
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L.P. Gill, Inc. - Clean Water Act Public Notice
The EPA is providing notice of a proposed Administrative Penalty Assessment against L.P. Gill, Inc. for alleged violations of the CWA associated with industrial activity at 1402 Highway 20, Jackson, Nebraska.
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Urban Runoff: Model Ordinances for Aquatic Buffers
Aquatic Buffers serve as natural boundaries between local waterways and existing development. The model and example ordinaces below provide suggested language or technical guidance designed to create the most effective stream buffer zones possible.
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Reactivation of a Shutdown Source
Explanation of the meaning of Reactivation of a Shutdown Source
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Filing a Pre-manufacture Notice with EPA
A pre-manufacture notice, or PMN, must be submitted to EPA at least 90 days prior to the manufacture or import of the new chemical. Here you can learn about the information needed to submit a PMN, and what to expect after you submit.
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New Source Review Program "Reactivation Policy"
This document is part of the NSR Policy & Guidance Database.
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Begin Actual Construction
Explanation of the meaning of Begin Actual Construction
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Resources and Guidance Documents for Compliance Monitoring
Policy and guidance documents related to compliance monitoring
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State Review Framework (SRF) - North Dakota Final Reports
Details findings of the North Dakota state review framework
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NPDES Electronic Reporting Rule - Proposed Phase 2 Extension Fact Sheet
Rule provides states and EPA additional time to implement electronic reporting for certain Clean Water Act discharge permitting requirements.
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Math for Wastewater Operators
This webinar discusses what a Small POTW should expect as they undertake the NPDES Permit process and includes a brief overview of the NPDES permit program and its goals and implementation under the Clean Water Act.
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Developing and Implementing a PFAS Monitoring Strategies for NPDES Pretreatment Programs and POTWs
This webinar discusses what a Small POTW should expect as they undertake the NPDES Permit process and includes a brief overview of the NPDES permit program and its goals and implementation under the Clean Water Act.
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Presentation on Preliminary Wastewater Treatment
This webinar discusses what a Small POTW should expect as they undertake the NPDES Permit process and includes a brief overview of the NPDES permit program and its goals and implementation under the Clean Water Act.
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Providing Process Control Technical Assistance to Small Mechanical WWTPs
This webinar discusses what a Small POTW should expect as they undertake the NPDES Permit process and includes a brief overview of the NPDES permit program and its goals and implementation under the Clean Water Act.
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NPDES Electronic Reporting Rule - Phase 2 Extension Fact Sheet
Rule provides states and EPA additional time to implement electronic reporting for certain Clean Water Act discharge permitting requirements.