Learn the Issues

Urbanization and Stormwater Runoff

Stormwater runoff is generated from rain and snowmelt that flows over land and does not soak into the ground. Runoff can pick up and deposit harmful pollutants into streams, lakes, and groundwater.

Inventory Potential Contaminant Sources

This page provides information about creating a contaminant source inventory listing all known and potential contaminant sources or activities of concern within a source water protection area (SPWA) that may pose a threat to drinking water supplies.

Polychlorinated Biphenyls (PCBs) in Building Materials

EPA’s guidance for school administrators and building owners, including information about managing PCBs in building materials to help minimize possible exposures to building occupants.

EPA's Role in the United Nations Environment Programme (UNEP)

The United Nations Environment Programme (UNEP), established in 1972, is the designated program addressing environmental issues at the global and regional level for the United Nations.

Cleanup of Rickett’s Dry Cleaning Site, Village of Ballston Spa, NY

The Rickett’s Dry Cleaning Site is located in a mixed commercial and residential area in the village of Ballston Spa on County Route 50. The site was the location of a family owned dry cleaner/ laundromat that went out of business in 2014. The site has

How To Report Under CDR

Provides links to CDR documents and tools that can be used for CDR reporting

Utilizing the Drinking Water State Revolving Fund to Support Lead and Copper Rule Improvements (LCRI) Compliance

These webinar slides provide an overview of the LCRI and cover how the DWSRF can be used to comply with the upcoming regulation at its compliance deadline of November 1st, 2027

EPA Finalizes Review of Upper Hudson PCB Cleanup after Considering Public Comment; Agency Will Issue Report Addendum by 2027

EPA News Release: EPA Finalizes Review of Upper Hudson PCB Cleanup after Considering Public Comment; Agency Will Issue Report Addendum by 2027

Release Date: January 16, 2025

2018v2 Emissions Modeling Platform Technical Support Document

This document describes how the emission inventories were prepared for air quality modeling by the U.S. Environmental Protection Agency (EPA) for criteria air pollutants to represent the year of 2018

Cleveland-Cliffs Steel LLC and Cleveland-Cliffs Burns Harbor LLC Settlement

Information about Cleveland-Cliffs Steel LLC and Cleveland-Cliffs Burns Harbor LLC

Chevron Phillips Chemical Company Clean LP Air Act Settlement

The U.S. Environmental Protection Agency and the Department of Justice announced a settlement Chevron Phillips Chemical Company LP (“Chevron Phillips”), that will eliminate thousands of tons of air pollution from three of Chevron Phillips’s petrochemical

Enforcement Alert: EPA's 'Audit Policy' Offers Opportunity for Telecommunications Industry to Remedy Violations

EPA's 'Audit Policy' Offers Opportunity for Telecommunications Industry to Remedy Violations

Final Third Five-Year Review Report for the Hudson River PCBs Superfund Site: Report Text & Appendices (01/16/25)

Drinking Water Mapping Application to Protect Source Waters (DWMAPS)

Describes and provides links to the Drinking Water Mapping Application to Protect Source Waters

Is Your Wood Stove Certified? How to Tell

flowchart to determine if an old wood stove is EPA certified or not

Map of Hazardous Waste Cleanup Progress

This webpage contains a map showing cleanup progress at Resource Conservation and Recovery Act corrective action facilities over the years.

SPCC Compliance Dates

Compliance dates for facilities subject to SPCC

Workshop Reports: Improving Municipal Stormwater Program Monitoring, Evaluation, Tracking, and Reporting

EPA the San Francisco Bay Regional Water Quality Control Board hosted workshops of national stormwater management and permitting experts to explore lessons in program implementation and opportunities to improve effectiveness in the future.

Texas, El Paso Area, Particulate Matter (PM-10), Attainment Plan Summary

Read about the approved State Implementation Plans for Texas

Climate Economic Analysis

This is the landing page for the economic analysis of climate change issues at EPA. The page links to EPA's Non-CO2 Analysis reports, published EPA Non-CO2 GHG reports, and economy-wide legislative analyses.