Environmental Rules in West Covina, CA (2026)
5 verified environmental rules for West Covina, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
West Covina bans illicit discharges into its storm drain system under Chapter 9, Article II, and holds property owners liable for cleanup costs. Violations are misdemeanors punishable by up to $1,000 or six months in jail, or the city can instead charge a tiered infraction and add civil or administrative penalties up to $1,000 per day.
West Covina Stormwater Pollution Control Rules
Significant RestrictionsWest Covina, CA, Municipal Code Sec. 9-28, 9-39 (Chapter 9, Article II, Stormwater and Urban Run-off Pollution Control)
No person shall cause or allow an illicit discharge to enter the municipal stormwater system. No person shall place, dump, dispose, litter, accumulate, maintain, discharge, or cause to enter into the MS4 any pollutant or any foreign object such as batteries, tires, waste receptacles, yard debris, refuse, rubbish, food waste, chemicals, animal waste, or oil cans, which are also considered illici...
Erosion Control
West Covina regulates construction-site grading and erosion control by adopting Los Angeles County's grading code, Appendix J of Title 26, with the city engineer standing in as building official. A grading permit is required before excavation or fill work begins, and violations can be charged as a misdemeanor, an infraction, or an administrative citation.
West Covina Grading & Erosion Control Permits
Some RestrictionsWest Covina, CA, Municipal Code Sec. 9-1, 9-2 (Chapter 9, Article I, Drainage and Grading, adopting L.A. County Code Title 26, Appendix J)
Except as set forth in this article, Appendix J "Grading" of Title 26 of the Los Angeles County Code, as amended and in effect on January 1, 2023, is hereby adopted as if fully set forth herein and amended as shown below. ... Except as exempted in Section J 103.2, grading shall not be performed without first having obtained a permit from the City Engineer. A grading permit does not include the ...
Flood Zones
West Covina regulates construction inside FEMA-mapped special flood hazard areas under Chapter 9, Article III. No structure or land may be built, extended, or altered inside a mapped flood zone without a development permit and full compliance with the article, and violations are a misdemeanor.
West Covina Floodplain Development Rules
Some RestrictionsWest Covina, CA, Municipal Code Sec. 9-46, 9-47 (Chapter 9, Article III, Division 1, Floodplain Management)
The areas of special flood hazard identified by the Federal Insurance and Mitigation Administration (FIMA) of the Federal Emergency Management Agency (FEMA) in the Flood Insurance Study (FIS) dated on December 14, 2000, and accompanying Flood Insurance Rate Maps (FIRMs) and Flood Boundary and Floodway Maps (FBFMs), and all subsequent amendments and/or revisions, are hereby adopted by reference ...
Defensible Space
West Covina's Fire Code amendments require every owner to clear flammable weeds, grass, and vegetation for 100 feet around residential structures, or to the property line if closer, plus a 10-foot buffer along roads and near chimneys, under Municipal Code Sec. 10-24.
West Covina 100-Foot Defensible Space Rule
Some RestrictionsWest Covina, CA, Municipal Code Sec. 10-24 (2022 California Fire Code Sec. 304.1.2, Vegetation, as locally amended)
Weeds, grass, vines or other growth that is capable of being ignited and endangering property, shall be cut down and removed by the owner or occupant of the premises. Vegetation clearance requirements for all residential front, rear and side yards including slopes shall be maintained, by the owner or occupant, free and clear of all flammable and combustible vegetation for a distance of 100 feet...
Flood Elevation Requirements
West Covina requires new or substantially improved residential buildings inside a special flood hazard area to elevate the lowest floor at least one foot above the base flood elevation, the city's minimum freeboard standard, under Municipal Code Sec. 9-56(c).
West Covina Flood Elevation Freeboard Rule
Some RestrictionsWest Covina, CA, Municipal Code Sec. 9-56(c) (Chapter 9, Article III, Division 3, Flood Hazard Reduction, Standards of Construction)
(c)Elevation and floodproofing. (See section 9-44, Definitions, for "basement," "lowest floor," "new construction," "substantial damage" and "substantial improvement.")(1)Residential construction, new or substantial improvement, shall have the lowest floor, including basement:a.In an A Zone, at least elevated at one (1) foot above the base flood elevation as determined by this community.b.In al...
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