United States | US EPA

2025 Air Sensors Workshop

Landing page for the 2025 Air Sensors Workshop

20th Annual EPA Drinking Water Workshop: Session 8

Session 1 bios and summary for the workshop.

Applying the National Aquatic Resource Survey Data

The NARS generate nationally-consistent water quality data across a variety of indicators. States have applied the NARS data to help address local policy questions and to implement changes regarding aquatic resource management.

Whole Effluent Toxicity Methods

Test methods and guidance for analysis of wastewater using whole effluent toxicity methods

POTW Influent PFAS Study

EPA planned project collect nationwide data on industrial discharges of per- and polyfluoralkyl substances (PFAS) to publicly owned treatment works (POTWs)

EPA Hosts Public Meeting on Superfund Site Cleanup in Palmerton

The U.S. Environmental Protection Agency's (EPA) Mid-Atlantic Region held a public meeting on Jan. 13 to update the Palmerton community on the ongoing cleanup efforts at the Palmerton Zinc Pile Superfund site and the local public water system.

Release Date: January 14, 2026

Merit Energy Company, Circle Ridge Tank Battery, Synthetic Minor New Source Review Permit Application

This document is part of the NSR Policy and Guidance and the Title V Policy and Guidance Databases

Pacific Ethanol, One or More Sources?

This document is part of the New Source Review Policy & Guidance Database.

Merit Energy Company, Circle Ridge Tank Battery, Synthetic Minor New Source Review Permit Application

This document is part of the NSR Policy and Guidance and the Title V Policy and Guidance Databases

Waupaca Foundry Plants 2 and 3; Order Denying Petition for Object to Title V Permit

This document may be of assistance in applying the Title V air operating permit regulations. This document is part of the Title V Petition Database available at www2.epa.gov/title-v-operating-permits/title-v-petition-database.