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🌍 Environmental Rules/Stormwater Management

Stormwater Management: Oakley vs Richmond

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

Oakley has fewer restrictions than Richmond.

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†’

Richmond, CA

Contra Costa County

Heavy Restrictions

Richmond's Illicit Discharge Detection and Elimination (IDDE) program, mandated under the MRP NPDES permit, prohibits all non-stormwater discharges to the municipal storm sewer system with fines up to $10,000 per day.

View full Richmond rules β†’

Key Facts Comparison

FactOakleyRichmond
PermitContra Costa County MRP stormwater permit-
Illicit DischargeProhibited β€” no chemicals/paint/soaps into storm drains-
New DevelopmentLID post-construction stormwater management required-
ReportingOakley Code Enforcement (925) 625-7031-
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Highlighted rows indicate differences between cities.

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.

Richmond FAQ

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