Environmental Rules in Brentwood, CA (2026)
4 verified environmental rules for Brentwood, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Brentwood bars any non-stormwater discharge into its storm drain system and any stormwater discharge that violates the city's NPDES permit. Chapter 14.20 backs the ban with inspections, a misdemeanor or infraction charge, and nuisance-abatement authority.
Brentwood Stormwater Discharge Rules
Some RestrictionsBrentwood Municipal Code §§ 14.20.060, 14.20.120
A. The release of non-stormwater discharges to the city stormwater system is prohibited. B. The discharge of stormwater from premises or an activity that causes or contributes to a violation of receiving water limitations in the city's NPDES permit is prohibited. ... Upon conviction of a misdemeanor, a person shall be subject to payment of a fine, or imprisonment, or both, not to exceed the lim...
Erosion Control
Brentwood requires a grading permit for most land-disturbing work and mandates erosion and sediment control measures on every graded site. Small disturbances under 10,000 square feet can skip the permit if strict size and slope limits are met.
Brentwood Grading Erosion and Sediment Control
Some RestrictionsBrentwood Municipal Code §§ 15.52.030(B), 15.52.060(F), 15.52.180
1. The site upon which land area is disturbed or filled is ten thousand square feet or less; ... ... 1. Erosion and sediment control measures shall be implemented as specified by the approved interim and final sediment and erosion control plans. Erosion and sediment control measures shall be consistent with the Manual of Sediment and Erosion Control Practices and the California Storm Water Best...
Flood Zones
Portions of Brentwood lie within FEMA-designated Special Flood Hazard Areas (SFHAs), particularly along Marsh Creek, Sand Creek, Dry Creek, and Deer Creek corridors. Development in these zones requires a floodplain development permit, elevation certificate, and compliance with the city's floodplain management ordinance.
Environmental: Flood Zones
Some RestrictionsFEMA Flood Map Service Center (National Flood Insurance Program)
FEMA Flood Map Service Center: Welcome! Looking for a Flood Map? Enter an address, a place, or longitude/latitude coordinates: Looking for more than just a current flood map? Visit Search All Products to access the full range of flood risk products for your community. About Flood Map Service Center The FEMA Flood Map Service Center (MSC) is the official public source for flood hazard informatio...
Flood Elevation Requirements
Brentwood requires new and substantially improved residential structures in flood hazard areas to elevate the lowest floor one foot above base flood elevation in A zones, or two feet above it in every other flood zone.
Brentwood Base Flood Elevation Freeboard Rules
Some RestrictionsBrentwood Municipal Code § 15.07.300(C)(1)
1. Residential construction, new or substantial improvement, shall have the lowest floor, including basement: a. In an AO zone, elevated above the highest adjacent grade to a height equal to or exceeding the depth number specified in feet on the FIRM, or elevated at least four feet above the highest adjacent grade if no depth number is specified; b. In an A zone, elevated to one foot above the ...
Looking for Contra Costa County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Brentwood city rules.
Environmental Rules in Contra Costa County →