Hemet, CA Environmental Rules: Erosion Control (2026)
Key Facts
- Standards
- Clean Water Act, NPDES, MS4 permit
- Maintenance timing
- Before and after each rainstorm
- City remedy
- City completes work, bills permittee
- Backed by
- Permittee's posted cash/bond security
Summary
Hemet grading permits must include an erosion and sediment control plan meeting Clean Water Act, MS4, and NPDES standards, maintained through every rainstorm during construction.
All erosion and sediment control plans shall conform to the requirements of the Grading Standards and meet the objectives and requirements of the Clean Water Act and its associated regulations, the city's MS4 permit, the construction general permit, NPDES requirements, and any other law, regulation, ordinance, permit or authorization applicable to activities authorized by the permit.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 69 Update 2).
Full Breakdown
Hemet City Code § 67-18(a) requires every erosion and sediment control plan submitted with a grading permit to conform to the city's Grading Standards and meet the objectives of the Clean Water Act, the city's MS4 permit, the state construction general permit, and NPDES requirements. Under § 67-18(c), permittees must clear silt and debris from check dams, desilting basins, curbs, gutters, and other stormwater conveyances before and after every rainstorm, and must evaluate and repair the control system as needed. If a permittee fails to install or maintain required controls, § 67-18(b) lets the city engineer order the work done and bill it against the permittee's posted security.
Violations & Fines
Failure to maintain erosion controls lets the city engineer complete the work and charge it against the permittee's posted security; ongoing noncompliance is a public nuisance enforceable by administrative citation under § 67-23.
Frequently Asked Questions
What happens if erosion controls fail during a storm?
Is an erosion control plan required for every grading permit?
Sources & Official References
Other rules in Hemet
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Erosion Control in Nearby Cities
How other cities in Riverside County handle erosion control.