Environmental Rules in Petaluma, CA (2026)

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

Verified from official government sources

Stormwater Management

Petaluma Code Ch. 15.80 prohibits discharge of pollutants to the City's MS4 storm drain system. Illicit connections and prohibited discharges are violations subject to administrative and civil penalties.

Petaluma Stormwater Discharge Rules

Some Restrictions

Full ordinance details →Official source ↗

Flood Zones

Petaluma IZO Ch. 6 (Floodplain Management) regulates development in FEMA-mapped Special Flood Hazard Areas. The Petaluma River corridor and downtown lowlands include extensive 100-year floodplain.

Petaluma Flood Hazard Areas

Heavy Restrictions

Full ordinance details →Official source ↗

Looking for Sonoma County county-wide rules?

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

Environmental Rules in Sonoma County →