Stormwater Management: Brentwood vs Concord
How do stormwater management rules compare between Brentwood, CA and Concord, CA?
Brentwood and Concord have similar restriction levels.
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 →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 →Key Facts Comparison
| Fact | Brentwood | Concord |
|---|---|---|
| - | - |
Highlighted rows indicate differences between cities.
Brentwood FAQ
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.
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