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🌍 Environmental Rules/Stormwater Management

Stormwater Management: El Cerrito vs Oakley

How do stormwater management rules compare between El Cerrito, CA and Oakley, CA?

Oakley has fewer restrictions than El Cerrito.

El Cerrito, CA

Contra Costa County

Heavy Restrictions

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 β†’

Oakley, CA

Contra Costa County

Some Restrictions

Oakley is covered under the Contra Costa County Municipal Regional Stormwater Permit (MRP). Property owners must prevent pollutants from entering storm drains. Illicit discharges (chemicals, paint, soaps into drains) are prohibited. New development above certain thresholds must implement post-construction Low Impact Development (LID) stormwater management.

View full Oakley rules β†’

Key Facts Comparison

FactEl CerritoOakley
Governing ordinanceCCC Ord. Chapter 1014-6-
Permit basisMRP NPDES Permit (R2-2022-0118)-
Common prohibitionsOil, paint, chlorinated pool water, sewage-
Pool discharge ruleDechlorinate or route to sanitary sewer-
ReportingContra Costa Clean Water Program hotlineOakley Code Enforcement (925) 625-7031
Permit-Contra Costa County MRP stormwater permit
Illicit Discharge-Prohibited β€” no chemicals/paint/soaps into storm drains
New Development-LID post-construction stormwater management required

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.

Oakley FAQ

Do I need a stormwater plan for my project?

Generally required for new construction and major renovations that increase impervious surface area. Small residential projects may be exempt.

What is an illicit discharge?

Any non-stormwater substance entering the storm drain system, including paint, oil, chemicals, or sediment. Report violations to Oakley public works.

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