Learn the Issues
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Stormwater Discharges from Municipal Sources-Developing an MS4 Program
Polluted stormwater runoff is commonly transported through municipal separate storm sewer systems (MS4s), and then often discharged, untreated, into local water bodies.
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NPDES Stormwater Webcasts
Webcasts and webinars for NPDES stormwater.
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Best Management Practices for Net Pen Aquaculture
Best Management Practices for Net Pen Aquaculture
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Best Management Practices for Flow-Through Aquaculture
Best Management Practices for Flow-Through Aquaculture
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Stormwater Rules and Notices-Final Rules
Congress gives EPA authority to develop and implement federal stormwater regulations which must go through a rulemaking process. The process includes a proposal, public comment, and a final rule that must then be implemented and enforced.
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NPDES Applications and Forms-EPA Forms
A place for all NPDES applications and forms.
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Estimating Users of Water Resources: Springfield–Greene County Data Collection Plan
This data collection plan provides next steps for the Springfield and Green County project partners and ideas for other communities on how to collect water resource user data to help support an integrated planning process.
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Water Quality Trading
An overview of the water quality trading program.
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Stormwater Discharges from Municipal Sources
Polluted stormwater runoff is commonly transported through municipal separate storm sewer systems (MS4s), and then often discharged, untreated, into local water bodies.
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Data and Mapping Tools for NPDES Permittees
Managing discharges to protect water quality can be aided by the refinement of the methods, tools and information used to develop and implement NPDES permits and programs.
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National Menu of Best Management Practices (BMPs) for Stormwater-Public Education
EPA has found the practices listed in the menu of BMPs to be representative of the types of practices that can successfully achieve the minimum control measures.
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About Stormwater Planning
About Long-Term Stormwater Planning
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Report to Congress on Integrated Plans and Interactive StoryMap
This report describes EPA’s Integrated Planning Framework which lays out a flexible process and includes overarching principles and six essential elements that integrated plans should address.
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Trash Free Waters
Trash-Free Waters provides information about the myriad problems and solutions of pollution that get in our human-made and natural water systems.
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Marine Protection Permitting in EPA Region 10
Overview of ocean dumping in Pacific Northwest, US. Includes materials dumped in the Region, ocean dumping permits issues, dredged material testing guidance, ocean disposal site descriptions and information, regional dredging teams and other partnerships.
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South Platte - Program Updates
This page can house program updates about ongoing progress at the South Platte River Denver location.
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Supplementary Topics - Contaminants in Schools and Child Care Facilities
Information about potential exposures of children to a variety of pesticides and industrial chemicals found in schools and child care centers.
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Effluent Guidelines Program Plan 15 (Repeat)
This webinar covers an overview of EPA’s effluent guideline planning process as well as the contents of Effluent Guideline Plan 15.
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Effluent Guidelines Program Plan 15
This webinar covers an overview of EPA’s effluent guideline planning process as well as the contents of Effluent Guideline Plan 15.
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Collection and Lift Station Maintenance: Reducing the Risk for Sanitary Sewer Overflows
This webinar will discuss how to operate and maintain a wastewater collection and lift station system to reduce the potential risk for a sanitary sewer overflow.