Environmental Rules in Hesperia, CA (2026)
5 verified environmental rules for Hesperia, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Hesperia bans discharging pollutants, illicit non-stormwater or hazardous materials into its storm drain system, and requires new development and construction sites to install BMPs to keep runoff clean.
Hesperia Stormwater Discharge Prohibition Rules
Some RestrictionsHesperia Municipal Code § 8.30.100(a)
Except as exempted in the MS4 Permit, no person shall discharge, facilitate, cause, permit or allow to be discharged to the MS4, receiving water, and/or groundwater, either directly or indirectly, any illicit discharge, including but not limited to, pollutants, hazardous materials and other unauthorized non-stormwater discharges.(b)It is prohibited to intentionally dispose of leaves, dirt, othe...
Erosion Control
Every construction project in Hesperia, regardless of size, must have a city-approved erosion and sediment control plan before grading or building permits are issued.
Hesperia Erosion And Sediment Control Plan
Some RestrictionsHesperia Municipal Code § 8.30.210(a)
All applicants for projects involving construction activities (regardless of size) shall submit an erosion and sediment control plan (ESCP) to the city for review and approval. The city shall not issue grading or building permits until the ESCP for the project is approved. The project applicant shall prepare the ESCP using the most current version of the city's ESCP Template and Guidance.(b)The...
Flood Zones
Hesperia requires a floodplain development permit before any construction begins in a mapped special flood hazard area, administered by the city engineer under FEMA's Flood Insurance Rate Maps.
Hesperia Flood Zone Development Permit Rules
Some RestrictionsHesperia Municipal Code § 8.28.040
A development permit shall be obtained before any construction or other development begins within any area of special flood hazard established in Section 8.28.030(B).
Vehicle Idling Restrictions
Hesperia limits how long parked commercial vehicles (26,000+ lb GVWR trucks and trailers) may idle in residential and agricultural zones to five minutes, and bans blowing air horns, under the city's commercial vehicle parking rules.
Hesperia Commercial Vehicle Idling Time Limit
Some RestrictionsHesperia Municipal Code § 16.20.090(H)(2)(a)
a. No commercial vehicle shall be left to idle for longer than five minutes, nor blow air horns. b. No commercial vehicle shall have cargo transferred from such commercial vehicle to another. c. No refrigeration unit on any commercial vehicle shall be operated within three hundred (300) feet of any inhabited place, except with the consent of the person in charge of each such inhabited place.
Flood Elevation Requirements
New and substantially improved buildings in Hesperia's mapped flood zones must have their lowest floor built at or above the base flood elevation, certified by a licensed engineer or surveyor.
Hesperia Base Flood Elevation Standards
Some RestrictionsHesperia Municipal Code § 8.28.050(A)(3)(a)
Residential construction, new or substantial improvement, shall have the lowest floor, including basement: ...In an A zone, elevated to or above the base flood elevation; said base flood elevation shall be determined by one of the methods in Section 8.28.040(C)(2) of this chapter; In all other zones, elevated to or above the base flood elevation.
Looking for San Bernardino County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Hesperia city rules.
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