Stormwater Management: El Cerrito vs Walnut Creek
How do stormwater management rules compare between El Cerrito, CA and Walnut Creek, CA?
El Cerrito and Walnut Creek have similar restriction levels.
El Cerrito, CA
Contra Costa County
Illicit discharges to the storm drain system are prohibited in unincorporated Contra Costa County under Ordinance Code Chapter 1014-6 and the Municipal Regional Stormwater NPDES Permit. Violations carry administrative fines, cleanup costs, and potential prosecution.
View full El Cerrito rules →Walnut Creek, CA
Contra Costa County
Walnut Creek prohibits illicit discharges to the storm drain system under its Municipal Regional Stormwater NPDES Permit. Violations can result in significant fines, cleanup cost recovery, and referral to the Regional Water Quality Control Board for state-level enforcement.
View full Walnut Creek rules →Key Facts Comparison
| Fact | El Cerrito | Walnut Creek |
|---|---|---|
| Governing ordinance | CCC Ord. Chapter 1014-6 | - |
| Permit basis | MRP NPDES Permit (R2-2022-0118) | - |
| Common prohibitions | Oil, paint, chlorinated pool water, sewage | - |
| Pool discharge rule | Dechlorinate or route to sanitary sewer | - |
| Reporting | Contra Costa Clean Water Program hotline | - |
| - | - |
Highlighted rows indicate differences between cities.
El Cerrito FAQ
Can I dump used motor oil or paint into the storm drain?
No. This is a serious violation of Chapter 1014-6 and state law. Take used oil and paint to a CCC household hazardous waste facility for free disposal.
How do I report someone dumping into a storm drain?
Call the Contra Costa Clean Water Program's public reporting line or submit a report online. Provide location, time, description, and photos if possible. Reports can be anonymous.
Walnut Creek FAQ
Compare other topics
See how El Cerrito and Walnut Creek compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool