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Environmental Rules in Concord, CA (2026)

2 verified environmental rules for Concord, California, sourced directly from the municipal code and official government pages.

Verified from official government sources

Stormwater Management

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.

Environmental: Illicit Discharge

Heavy Restrictions

Flood Zones

Portions of Concord along Walnut Creek, Pine Creek, and Galindo Creek lie in FEMA-designated Special Flood Hazard Areas (AE zones). The City participates in the National Flood Insurance Program and enforces floodplain construction standards under CMC Chapter 18.170.

Environmental: Flood Zones

Some Restrictions

Looking for Contra Costa County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Concord city rules.

Environmental Rules in Contra Costa County