Environmental Rules in Pomona, CA (2026)
3 verified environmental rules for Pomona, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Pomona's Low Impact Development Ordinance, City Code Article VII of Chapter 74, requires larger development and redevelopment projects to retain the full stormwater quality design volume on site through infiltration, bioretention or rainwater harvest and use. Projects one acre or larger that add over 10,000 square feet of impervious surface, plus smaller commercial and industrial categories, must get city engineer approval and record a maintenance covenant before occupancy.
Pomona Low Impact Development Stormwater Rules
Significant RestrictionsPomona, CA, City Code §§ 74-310, 74-312, 74-314 (Low Impact Development Ordinance: title, purpose, applicability)
This article shall be known as the "City of Pomona Low Impact Development (LID) Ordinance" and may be so cited. ... It is the purpose of this article to establish minimum stormwater management requirements and controls to accomplish, among others, the following objectives: ...Minimize the percentage of impervious surfaces on land developments by minimizing soil compaction during construction, d...
Erosion Control
Pomona controls erosion and sediment at grading and excavation sites by adopting Appendix J of the 2025 California Building Code as its grading ordinance, enforced by the building official on every grading or excavation permit issued in the city. Subdividers face a second layer: the Planning Commission can also condition a tentative tract or parcel map on a dedicated grading and erosion/sediment control plan before acting on the map.
Pomona Grading & Erosion Control During Construction
Some RestrictionsPomona, CA, City Code § 74-31(a) (Construction codes adopted)
For the purpose of prescribing regulations for grading and excavations, Appendix J of the 2025 California Building Code is hereby adopted; the 1997 Uniform Code for Building Conservation-ICBO; the 1997 Uniform Housing Code-ICBO.
Coastal Development
Pomona is an inland city approximately 30 miles from the coast. Coastal development regulations and the California Coastal Commission do not apply.
Pomona Coastal Development Rules
Some RestrictionsCalifornia Coastal Commission — Coastal Zone Boundary Maps (Public Resources Code § 30103; Coastal Act of 1976)
ate the need for a formal boundary determination. Public Resources Code (PRC) Section 30103(a) specifically defines California's Coastal Zone as that land and water area of the State of California from the Oregon border to the border of the Republic of Mexico depicted on maps identified and set forth in Section 17 of that chapter of the Statutes of the 1975-76 Regular Session enacting PRC Divis...
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County ordinances apply to unincorporated areas and may supplement Pomona city rules.
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