Stormwater Management: Berkeley vs Oakland
How do stormwater management rules compare between Berkeley, CA and Oakland, CA?
Berkeley and Oakland have similar restriction levels.
Berkeley, CA
Alameda County
Berkeley Clean Stormwater Ordinance BMC Chapter 17.20 prohibits non-stormwater discharges to storm drains and requires stormwater treatment for projects creating or replacing 2,500 square feet of impervious surface.
View full Berkeley rules βOakland, CA
Alameda County
Oakland enforces comprehensive stormwater management under the Oakland Municipal Code and the Municipal Regional Stormwater NPDES Permit (MRP) issued by the San Francisco Bay Regional Water Quality Control Board. The city's stormwater program protects San Francisco Bay and local creeks from polluted runoff.
View full Oakland rules βKey Facts Comparison
| Fact | Berkeley | Oakland |
|---|---|---|
| Treatment threshold | 2,500 sq ft impervious | - |
| Hydromod threshold | 10,000 sq ft | - |
| Prohibited | Non-stormwater discharges | - |
| Receiving water | San Francisco Bay | - |
| Code | BMC 17.20 | - |
| Governing Permit | - | Municipal Regional Stormwater NPDES Permit |
| C.3 Threshold | - | 10,000 sq ft impervious (5,000 for some uses) |
| LID Required | - | Bioretention, pervious pavement, rain gardens |
| Fee Basis | - | Stormwater management fee |
| Penalty | - | Up to $10,000/day |
Highlighted rows indicate differences between cities.
Berkeley FAQ
Can I wash my car in the driveway?
Wash water should not enter the storm drain; use commercial car washes or divert runoff to landscaping.
Do I need stormwater treatment for a home remodel?
Only if the project creates or replaces 2,500+ sq ft of impervious surface; most residential remodels are exempt.
Oakland FAQ
What triggers stormwater treatment requirements?
Projects creating or replacing 10,000+ square feet of impervious surface (or 5,000+ for auto service, restaurants, and certain uses) must include C.3 stormwater treatment and LID measures.
Does Oakland charge a stormwater fee?
Yes. Oakland charges a stormwater management fee to fund the city's Clean Water Program, which manages stormwater infrastructure and compliance.
Compare other topics
See how Berkeley and Oakland 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