U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

EPA On-Scene Coordinator (OSC) Response

Sites

Select a region to see a list of response web sites or List All Response Sites.

RECENT UPDATES
Site Name State Updated
Smitty's Supply Fire LA 10/7/2025
Chicago Sanitary and Ship Canal Asphalt Spill (FPN#UCGPE25504) IL 10/7/2025
Mercury - Earnshaw Street KS 10/7/2025
Gold King Mine Portal Extension CO 10/7/2025
Remacor, Inc. PA 10/7/2025
More Updates»