Stormwater Management: Santa Clarita vs West Covina
How do stormwater management rules compare between Santa Clarita, CA and West Covina, CA?
Santa Clarita and West Covina have similar restriction levels.
Santa Clarita, CA
Los Angeles County
Santa Clarita enforces LA County MS4 stormwater permit requirements. New development must manage runoff with LID features. The Santa Clara River watershed is a key concern.
View full Santa Clarita rules →West Covina, CA
Los Angeles County
West Covina enforces stormwater management under the LA County MS4 permit and NPDES requirements. Construction projects must implement BMPs. The city participates in the San Gabriel River watershed programs.
View full West Covina rules →Key Facts Comparison
| Fact | Santa Clarita | West Covina |
|---|---|---|
| MS4 Permit | LA County requirements apply | - |
| LID | Required for new development | - |
| Watershed | Santa Clara River | San Gabriel River |
| Illicit Discharge | Prohibited | - |
| Permit | - | LA County MS4 / NPDES |
| BMPs | - | Required for construction projects |
| Authority | - | LA Regional Water Quality Control Board |
Highlighted rows indicate differences between cities.
Santa Clarita FAQ
Do I need a stormwater plan for my project?
Generally required for new construction and major renovations that increase impervious surface area. Small residential projects may be exempt.
What is an illicit discharge?
Any non-stormwater substance entering the storm drain system, including paint, oil, chemicals, or sediment. Report violations to Santa Clarita public works.
West Covina FAQ
Do I need a stormwater plan for my project?
Generally required for new construction and major renovations that increase impervious surface area. Small residential projects may be exempt.
What is an illicit discharge?
Any non-stormwater substance entering the storm drain system, including paint, oil, chemicals, or sediment. Report violations to West Covina public works.
Compare other topics
See how Santa Clarita and West Covina compare on other ordinance categories.
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