Stormwater Management: Long Beach vs Santa Clarita
How do stormwater management rules compare between Long Beach, CA and Santa Clarita, CA?
Santa Clarita has fewer restrictions than Long Beach.
Long Beach, CA
Los Angeles County
Long Beach's stormwater program under LBMC Ch. 8.96 prohibits non-stormwater discharge. Low Impact Development (LID) is required for projects adding 500+ sq ft. NPDES compliance is mandatory for all construction and development.
View full Long Beach rules →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 →Key Facts Comparison
| Fact | Long Beach | Santa Clarita |
|---|---|---|
| LID Threshold | 500 sq ft or more | - |
| Code | LBMC Ch. 8.96, Ch. 18.74 | - |
| Non-Stormwater | Discharge prohibited | - |
| Federal Law | Clean Water Act NPDES | - |
| MS4 Permit | - | LA County requirements apply |
| LID | - | Required for new development |
| Watershed | - | Santa Clara River |
| Illicit Discharge | - | Prohibited |
Highlighted rows indicate differences between cities.
Long Beach 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 Long Beach public works.
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.
Compare other topics
See how Long Beach and Santa Clarita compare on other ordinance categories.
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