Learn the Issues
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Action Resolves Hundreds of Coal Companies’ Violations
A consent decree with a major coal company and its subsidiaries resolves Clean Water Act violations in five states and requires operational upgrades and other steps to ensure future compliance.
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Martinsburg Plant Upgrade Helps Waters Near and Far
With key financial assistance from EPA, the City of Martinsburg, W.V., has revamped its wastewater treatment plant to achieve steep pollution reductions that will benefit local creeks and the Chesapeake Bay.
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New Plant Tops Projections for Reducing Pollution to Bay, Local Waters
A new wastewater treatment plant in West Virginia, considered a key to meeting the state’s commitment to help restore the Chesapeake Bay, is exceeding expectations for pollution reduction.
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Town Stems Major Water Losses With New Lines and Storage Tank
With the help of EPA funding, the Town of Chapmanville in Logan County, WV, has a new drinking water storage tank and distribution lines to replace a system built in the late 1940s that was “leaking like a sieve” and posed a risk to public health.
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Proposed Expedited Settlement Agreement CWA-05-2026-0016
The U.S. Environmental Protection Agency (EPA), Region 5, is providing notice of intent to execute an Expedited Settlement Agreement (ESA) with Elite Powder Coating & Technologies, LLC.
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Proposed Expedited Settlement Agreement CWA-05-2026-0013
The U.S. Environmental Protection Agency (EPA), Region 5, is providing notice of intent to execute an Expedited Settlement Agreement (ESA) with Salamonie Estates Mobile Home Park.
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Residual Designation Authority to Address Stormwater Quality Problems in EPA's Pacific Southwest (Region 9)
EPA's 2024 Final Designation for designating stormwater discharges from certain Commercial, Industrial and Institutional facilities in two Los Angeles Watersheds: Los Cerritos Channel/Alamitos Bay and Dominquez Channel/Los Angeles/Long Beach Harbor.
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Great Lakes Notice of Funding Opportunities
List of Great Lakes Requests for Applications (RFAs) showing which are open, closed, or awarded
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4. Using the Mapper Functions
Section 4 of 7 of the Re-Powering Mapper User Guide and Data Documentation. This section provides the user with detailed instructions on how to use the mapper tool, including navigation, selection, adding data, printing and exporting, measuring, and more.
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Hazardous Waste
Entry point for users seeking hazardous waste info including basics/identification, information on haz waste generators, permits, corrective action, definition of solid waste & laws and regulations.
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3. Mapper Elements
Section 3 of 7 of the Re-Powering Mapper User Guide and Data Documentation. This section provides the user with an overview of the map elements.
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2. Quick Start
Section 2 of 7 of the Re-Powering Mapper User Guide and Data Documentation. This quick start section provides users with a high-level overview of how to use the mapper tool.
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EPA Region 9 Polychlorinated Biphenyls Program
EPA's Pacific Southwest PCB Program regulates processing, distribution, use, cleanup, storage and disposal under the Toxic Substances Control Act (TSCA) in Arizona, California, Hawaii, Nevada and Pacific Territories, providing support for TSCA compliance.
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Tijuana River Watershed Public Updates
Updates related to EPA and SEMARNAT actions to address persistent transboundary wastewater flows in the Tijuana River watershed.
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Hot Topics in Alaska
Learn about some of EPA's environmental priorities in Alaska.
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Anadarko - Bob Douglas Outer Continental Shelf (OCS) Draft Permit
Anadarko - Bob Douglas Outer Continental Shelf (OCS) public Notice
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Clean and Safe Water in Indian Country
Learn about EPA tribal water programs and the tools, training, funding, and other resources available for tribal environmental offices.
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Great Lakes Water Quality Monitoring Program Physical Parameters
The physical parameters that are measured and monitored as part of GLNPO's water quality monitoring program in the Great Lakes
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What They Are Saying: U.S. Leaders, American Automakers and Consumers Cheer EPA’s Implementation of President Trump’s “Freedom To Fix” Memo, Greenlighting SEMA’s Certification of Aftermarket Products
Here’s what people are saying about EPA’s implementation of President Trump’s “Freedom To Fix” memo and the greenlighting of SEMA’s certification of aftermarket products.
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Primacy Enforcement Responsibility for Public Water Systems
This page contains the EPA's revisions and policies on primacy.