About Us

Hamilton County Environmental Service’s (HCES) mission is to protect, preserve, and enhance the environmental quality of our communities.

HCES has two divisions: The Southwest Ohio Air Quality Agency (Agency) works to protect our regional air quality. The Agency handles air quality monitoring, permitting, and compliance for Butler, Clermont, Clinton, Hamilton, and Warren counties.

The newly named Hamilton County R3Source works with residents, communities, businesses, and schools to reduce waste while increasing recycling. 

We invite you to learn more about our new branding!