Environmental Rules in Fresno, CA (2026)
6 verified environmental rules for Fresno, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Fresno's Urban Storm Water Quality Management and Discharge Control Ordinance bans non-storm-water discharges into the city's storm drain system and requires everyone who might pollute runoff to follow Best Management Practices. The City Manager, acting as Authorized Enforcement Agent, administers the program citywide under the region's Clean Water Act permit.
Fresno Urban Storm Water Discharge Rules
Some RestrictionsFresno Municipal Code §§ 6-702, 6-709
The purpose and intent of this article is to ensure the health, safety, and general welfare of citizens, and protect the water quality of watercourses and water bodies in a manner pursuant to and consistent with the Federal Clean Water Act (33 U.S.C. §§ 1251 et sequentes) by reducing pollutants in urban storm water discharges to the maximum extent practicable and by effectively prohibiting non-...
Erosion Control
Fresno folds erosion and sediment control into its storm water ordinance rather than a separate grading code: new development and redevelopment projects must use Best Management Practices to control runoff volume, rate, and pollutant load, and the city writes those BMPs directly into land-use entitlements and building or construction permits.
Fresno Construction Site Storm Water BMP Rule
Some RestrictionsFresno Municipal Code § 6-714(a), (b)
(a) Authorization to Adopt and Impose Best Management Practices. The City of Fresno may adopt requirements identifying appropriate Best Management Practices for any activity, operation, or facility which may cause or contribute to pollution or contamination of storm water, the storm drain system, or waters of the U.S. ... (b) New Development and Redevelopment. The District may adopt requirement...
Flood Zones
Fresno requires a building permit before any construction, fill, or alteration begins within a mapped area of special flood hazard. The rule covers all FEMA-mapped Special Flood Hazard Areas from the February 18, 2009 Flood Insurance Study, and building without approval is both a public nuisance and a misdemeanor under Municipal Code § 11-608.
Fresno Floodplain Development Permit Rule
Some RestrictionsFresno Municipal Code § 11-608 (Compliance), Ch. 11, Art. 6 — Fresno Flood Plain Ordinance
No structure or land shall hereafter be constructed, located, extended, converted, or altered without full compliance with the term of this article and other applicable regulations. Violation of the requirements (including violations of conditions and safeguards established in connection with conditions) shall constitute a public nuisance and a misdemeanor. Violations may be treated as a violat...
Defensible Space
Fresno Municipal Code § 10-1510 requires owners of parcels along the San Joaquin River bluffs to maintain a 30-foot firebreak around inhabited dwellings from April 15 through September 30 each year, clearing flammable vegetation and keeping brush at least ten feet from propane tanks, enforced as a public nuisance.
Defensible Space Rules Near Fresno's River Bluffs
Some RestrictionsFresno Municipal Code § 10-1510(c), (d)
(c) Defensible Space Requirement. ... shall comply with the following standards for maintaining defensible space with respect to the area surrounding any inhabited dwellings and structures from April 15 through September 30 of each year as follows: (1) Maintain a firebreak by removing and clearing away dangerous accumulation of flammable vegetation and other combustible growth within thirty (30...
Vehicle Idling Restrictions
Fresno requires loading docks next to commercial, office, or residential-adjacent sites to post signage capping truck idling at five minutes, and separately requires drive-through lanes to be designed and signed to discourage idling. Both rules sit in the Development Code's site-design standards rather than a standalone anti-idling ordinance.
Fresno Loading Dock Five-Minute Idling Limit
Some RestrictionsFresno Municipal Code § 15-2430(J)(3); § 15-2728(G)(3)
Loading bays shall have signage requiring drivers to limit idling to five minutes or less. ... Drive-through aisles shall be designed to reduce idling. Signage to encourage customers not to idle shall be placed either before or at the entrance of a drive-through aisle.
Flood Elevation Requirements
New or substantially improved homes in a Fresno flood hazard area must have their lowest floor built to the elevation set by the California Residential Building Code's flood provision, R322.2.1. Nonresidential buildings must either match that elevation or be certified watertight (floodproofed) below it, under Municipal Code §§ 11-627 and 11-628.
Fresno Base Flood Elevation Standard
Some RestrictionsFresno Municipal Code §§ 11-627 (Residential Construction), 11-628 (Nonresidential Construction), Ch. 11, Art. 6
SEC. 11-627. - RESIDENTIAL CONSTRUCTION. In General, New or substantial improvement, shall be in conformance with adopted California Residential Building Code section R322.2.1. ... SEC. 11-628. - NONRESIDENTIAL CONSTRUCTION. Nonresidential construction, new or substantial improvement, shall have the lowest floor, shall either elevated to conform with Section 11-627 or together with attendant ut...
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