Learn the Issues
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Process for Issuing Small MS4 Permits
This chart describes the process for developing and administering small MS4 general permits for permit writers using either the comprehensive (one-step) or two-step approach.
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Integrated Municipal Stormwater and Wastewater Planning Approach Framework
Provides guidance for EPA, states, and local governments to develop and implement effective integrated plans under the CWA. This framework was finalized after extensive public input including a series of workshops across the country.
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Implementation of Integrated Planning in Accordance with the 2019 Water Infrastructure Improvement Act
This memorandum highlights new provisions in the Water Infrastructure Improvement Act (WIIA), signed into law on January 14, 2019, and how EPA will continue to support communities and states on integrated planning and green infrastructure.
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Combined Sewer Overflows - Guidance for Financial Capability Assessment and Schedule Development
Provides an aid for assessing financial capability as part of negotiating schedules for CWA requirements for municipalities and local authorities.
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Achieving Water Quality Through Integrated Municipal Stormwater and Wastewater Plans
Memorandum from EPA headquarters to regional offices to work with states and communities to get the most effective and cost-effective approaches for meeting the Agency's shared objective of clean water that protects public health and the environment.
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Prioritizing Wastewater and Stormwater Projects Using Stakeholder Input
This report describes how communities can use stakeholder input to select and rank criteria and apply those criteria to prioritize stormwater and wastewater projects.
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Estimating the Value of Water: A Literature Review
This document describes the methodology and results of a literature review of relevant studies that examined how communities similar to Springfield estimated their water resource value.
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Integrated Planning: Characterizing the Value of Water to Inform Decision-Making
This document presents approaches for quantifying water resource users and estimating the value of water resources. Includes examples from the City of Springfield and Green County, Missouri.
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Marine Debris Campus Toolkit
The Marine Debris Campus Toolkit is a detailed “how to” guide for reducing plastic waste on college campuses and other institutions.
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Cahokia Heights 2024 Clean Water Act Case Summary
Cahokia Heights, IL Clean Water Act Settlement Summary
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Impaired Waters and TMDLs in the Pacific Southwest (Region 9)
An overview of impaired waters and TMDLs in EPA's Pacific Southwest, Region 9, serving Arizona, California, Hawaii, Nevada, Pacific Islands, and 148 Tribal Nations.
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Reducing Significant Non-Compliance (SNC) with NPDES Permits - Resources for NPDES Permittees and Other Organizations
Contains resources for NPDES Permittees and Other Organizations relative to the National Compliance Initiative: Reducing Significant Non-Compliance (SNC) with NPDES Permits.
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Criminal Enforcement Videos
On this page is provided criminal case files videos and special agent training videos.
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NPDES Permit Status Reports
These reports show the backlog status nationwide, based on EPA databases and input from EPA regions and states. The reports show a snapshot in time, keep in mind that the status of facilities and the universe of permits change.
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Will the Pennsylvania Department of Environmental Protection (PADEP) take over under the Hazardous Sites Cleanup Act (HSCA) since EPA has not recommended an NPL designation for the Norwood Landfill site?
EPA discussed its findings with the Southeast Regional Office of PADEP. PADEP concurs with our decision that the site does not qualify for proposal to the NPL. PADEP has not informed EPA that the site qualifies for investigation and cleanup under the state’s HSCA Program. If future plans for the…
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Why were only 65 non-residential samples taken during the Round 2 2020 sampling activities?
The screening-level assessments used in the Superfund site assessment process are limited in scope and intended to collect the necessary information required to determine eligibility for placement on the NPL. These assessments are not intended to fully characterize the nature and extent of potential contamination associated with a site. The…
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EPA adds Upper Columbia River site to the Superfund National Priorities List to protect public health from metals contamination
EPA News Release: EPA adds Upper Columbia River site to the Superfund National Priorities List to protect public health from metals contamination
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Impervious Surface Growth Model
This spreadsheet tool helps communities estimate and compare the likely impervious surface impacts of proposed housing and commercial development scenarios.
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Smart Growth Illustrated
Twenty case studies provide visual examples of smart growth techniques as they have been used across the country.
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Regional Resilience Toolkit
Toolkit to help partners across a region plan for natural disasters within the context of federal, state, and local planning requirements and funding streams.