Stormwater Management: Concord vs Richmond
How do stormwater management rules compare between Concord, CA and Richmond, CA?
Concord and Richmond have similar restriction levels.
Concord, CA
Contra Costa County
Concord prohibits all illicit discharges to the storm drain system under CMC Title 8 and MRP NPDES Permit R2-2022-0118. Violators face administrative fines starting at $100 and escalating to $1,000+ per day, plus full cleanup cost recovery.
View full Concord rules →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 →Key Facts Comparison
| Fact | Concord | Richmond |
|---|---|---|
| - | - |
Highlighted rows indicate differences between cities.
Concord FAQ
What counts as an illicit discharge?
Anything other than rain water going into the storm drain - wash water, paint, oil, pool water, pet waste, sediment, chemicals. Exempt items include residential car wash runoff and AC condensate.
What if I accidentally spilled something into the gutter?
Stop the source, contain with absorbent materials, and call Concord Public Works or the CCCWP hotline. Prompt cleanup reduces penalties.
Are HOA pool drains illicit discharges?
Yes unless dechlorinated, pH-neutral, and drained to landscaped areas. Pool water to the storm drain without treatment is a violation.
Richmond FAQ
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