Report a Spill

Reporting illegal dumping, spills or discharge incidents within Contra Costa County

If you are aware of an emergency needing immediate response call: 9-1-1

To report illegal dumping within Contra Costa County, call:
Contra Costa County Clean Water Program
1-800-663-8674

To report chemical spills or releases, call:
Contra Costa County Health Services Department - Hazardous Materials Program
(925) 646-2286

For Illegal/Unlawful Spraying or Dumping of a Pesticide, call:
Contra Costa County Agriculture Department
(925) 646-5250

For Spills and Dumping into El Sobrante creeks, storm drains, and waterways: 
(925) 646-2441

For Spills and Dumping into San Pablo creeks, storm drains, and waterways: 
(510) 215-3030

For Spills and Dumping into Richmond creeks, storm drains, and waterways: 
(510) 412-2001

Antioch
Municipal Clean Water Program contact
(925) 779-7000

Brentwood
Municipal Clean Water Program contact
925-516-5169

Clayton
Municipal Clean Water Program contact
925-673-7308

Concord
Municipal Clean Water Program contact
925-671-3394

Contra Costa County 
Municipal Clean Water Program contact
925-313-2259 or

Municipal Clean Water Program contact
925-313-2271

Danville
Municipal Clean Water Program contact
925-314-3342

El Cerrito
Municipal Clean Water Program contact
925-215-4367

Hercules
Municipal Clean Water Program contact
510-799-8252

Lafayette
Municipal Clean Water Program contact
925-934-3908

Martinez
Municipal Clean Water Program contact
925-372-3568

Moraga
Municipal Clean Water Program contact
877-235-0653

Oakley
Municipal Clean Water Program contact
925-625-7003

Orinda
Municipal Clean Water Program contact
925-253-1997

Pinole
Municipal Clean Water Program contact
925-741-2065

Pittsburg
Municipal Clean Water Program contact
925-252-4122

Pleasant Hill
Municipal Clean Water Program contact
925-671-5261

Richmond
Municipal Clean Water Program contact
510-412-2009

San Pablo
Municipal Clean Water Program contact
510-215-3066

San Ramon
Municipal Clean Water Program contact
925-973-2686

Walnut Creek
Municipal Clean Water Program contact
925-256-3511