Stormwater Management: El Cerrito vs San Ramon
How do stormwater management rules compare between El Cerrito, CA and San Ramon, CA?
El Cerrito and San Ramon 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 →San Ramon, CA
Contra Costa County
San Ramon prohibits illicit discharges to its storm drain system under the Municipal Regional Stormwater Permit (MRP) and local ordinance. Illicit discharges include any non-stormwater entering the MS4 — wastewater, wash water, chemicals, paint, oil, sediment, and pool water. Violations carry fines up to $10,000 per day under California Water Code Section 13385 and local penalties. Reporting is encouraged through the Contra Costa Clean Water Program or San Ramon Public Services.
View full San Ramon rules →Key Facts Comparison
| Fact | El Cerrito | San Ramon |
|---|---|---|
| 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.
San Ramon FAQ
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