Stormwater Management: Brentwood vs Oakley
How do stormwater management rules compare between Brentwood, CA and Oakley, CA?
Oakley has fewer restrictions than Brentwood.
Brentwood, CA
Contra Costa County
Illicit discharges — any release of non-stormwater materials into Brentwood's storm drain system — are prohibited under the Municipal Regional NPDES Permit and city code. Violations can trigger administrative penalties, abatement costs, and Clean Water Act enforcement.
View full Brentwood rules →Oakley, CA
Contra Costa County
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 →Key Facts Comparison
| Fact | Brentwood | Oakley |
|---|---|---|
| - | - | |
| Permit | - | Contra Costa County MRP stormwater permit |
| Illicit Discharge | - | Prohibited — no chemicals/paint/soaps into storm drains |
| New Development | - | LID post-construction stormwater management required |
| Reporting | - | Oakley Code Enforcement (925) 625-7031 |
Highlighted rows indicate differences between cities.
Brentwood FAQ
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.
Compare other topics
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