United States
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EPA Notifications for Lead Action Level Exceedances
SDWA requires EPA to notify the public of lead action level exceedances if a state and system fail to provide the notification.
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WATERS Geospatial Data Downloads
WATERS Geospatial Data Downloads
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Municipal Resources
A guide to federal resources for municipalities / utilities / local governments such as funding, technical assistance, helpful webinars, and workshops for local governments. Learn more about EPA's Municipal Ombudsman.
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Primary Annual Fine Particulate Matter Designations – State Initial Designations and EPA’s Intended Approach for Finalizing Designations
Primary Annual Fine Particulate Matter National Ambient Air Quality (NAAQS) Designations for the 2024 standard – State Initial Designations and EPA Intended Designations
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Six-Year Review 4 Compliance Monitoring Data (2012-2019)
Occurrence data collected under the SYR4 Information Collection Request and from the ARCS data base containing aircraft PWS inventory and sample information.
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Effluent Guidelines
Effluent guidelines are national standards for wastewater discharges to surface waters and municipal sewage treatment plants. We issue the regulations for industrial categories based on the performance of treatment and control technologies.
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Reduce the Risk of Lead Exposure at Home
This page contains information about protecting you and your family from important sources of exposure to lead in homes. While different homes have different sources of lead exposure, this information is relevant to communities across the United States.
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Ambassadors List
List of OGC Ambassadors
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Greenhouse Gas Standards and Guidelines for Fossil Fuel-Fired Power Plants
Regulatory page for the Greenhouse Gas Standards and Guidelines for Fossil Fuel-Fired Power Plants
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Steam Electric Power Generating Effluent Guidelines - Deadline Extensions Rule
Final rule and support documents for the Steam Electric Power Generating category (40 CFR Part 423).
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Redevelopment Mapper for Superfund and Brownfield Sites: Quick Start Instructions
Quick start tool for using the Superfund Redevelopment Mapper to identify Superfund site properties for redevelopment.
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EPA for State and Local Governments
This page is designed to help State and Local officials find information on EPA's website.
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20th Annual EPA Drinking Water Workshop: Session 8
Session 1 bios and summary for the workshop.
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CASTNET Ozone Monitoring
Status and trends in ozone in rural areas as reported by CASTNET.
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National Aquatic Resource Surveys
EPA reports information on the condition of our nation's waters using probabilistic surveys. The National Aquatic Resource Surveys assess the status of and changes in water quality of the nation's coastal waters, lakes, rivers and streams, and wetlands.
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Polluted Runoff: Nonpoint Source (NPS) Pollution
Nonpoint Source (NPS) pollution is caused by rainfall or snowmelt moving over and through the ground, it picks up and carries natural and human-made pollutants, depositing them into lakes, rivers, wetlands, coastal waters and ground waters.
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Combined Air Emissions Reporting System (CAERS)
Created page specifically for CAERS users.
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Tables 4-1 through 4-4: Request For Analytical Services, Soil Matrix, Water Matrix, Matrix Sediment, Matrix Other Table Forms
Contains forms to request analyses of soil matrices, water matrices, sediment matrices, and other matrices.
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Current Class VI Projects under Review at EPA
Current Class VI Projects at EPA
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Alternative Demonstration Approach for the 1971 Secondary 3-Hour Sulfur Dioxide National Ambient Air Quality Standard under the Prevention of Significant Deterioration Program
This document is part of the NSR Policy & Guidance Database.