Stormwater Management: Richmond vs Walnut Creek
How do stormwater management rules compare between Richmond, CA and Walnut Creek, CA?
Richmond and Walnut Creek have similar restriction levels.
Richmond, CA
Contra Costa County
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 →Walnut Creek, CA
Contra Costa County
Walnut Creek prohibits illicit discharges to the storm drain system under its Municipal Regional Stormwater NPDES Permit. Violations can result in significant fines, cleanup cost recovery, and referral to the Regional Water Quality Control Board for state-level enforcement.
View full Walnut Creek rules →Key Facts Comparison
| Fact | Richmond | Walnut Creek |
|---|---|---|
| - | - |
Highlighted rows indicate differences between cities.
Richmond FAQ
Walnut Creek FAQ
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