Environmental Rules in San Bernardino, CA (2026)
4 verified environmental rules for San Bernardino, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
San Bernardino regulates stormwater under its MS4 NPDES permit through the Santa Ana Regional Water Quality Control Board. Illicit discharges are prohibited and LID features are required for qualifying development.
San Bernardino Stormwater Rules and MS4 Compliance
Heavy RestrictionsErosion Control
San Bernardino requires erosion and sediment controls on all grading and construction sites. Projects over 1 acre trigger the State Construction General Permit and a Stormwater Pollution Prevention Plan (SWPPP).
San Bernardino Erosion Control and Grading Standards
Heavy RestrictionsFlood Zones
San Bernardino participates in the NFIP and regulates development in FEMA flood zones. Structures in Zone A or AE must meet base flood elevation standards; floodplain permits required.
San Bernardino Flood Zone Rules and FEMA Compliance
Heavy RestrictionsGrading & Drainage
San Bernardino requires grading permits for excavation or fill over 50 cubic yards or cut/fill over 3 feet. Positive drainage away from structures and downstream neighbors is required under the California Building Code.
San Bernardino Grading and Drainage Rules
Some RestrictionsLooking for San Bernardino County county-wide rules?
County ordinances apply to unincorporated areas and may supplement San Bernardino city rules.
Environmental Rules in San Bernardino County →