Stormwater Management: Compton vs Los Angeles
How do stormwater management rules compare between Compton, CA and Los Angeles, CA?
Compton has fewer restrictions than Los Angeles.
Compton, CA
Los Angeles County
Compton is within the LA County MS4 NPDES permit area. All development must comply with Low Impact Development (LID) standards. Stormwater runoff must be managed on-site where feasible. The LA County Flood Control District oversees regional stormwater infrastructure.
View full Compton rules →Los Angeles, CA
Los Angeles County
LAMC 64.72 (LID Ordinance, Ord. 183833) requires new development to manage stormwater runoff on-site through infiltration, bioretention, or capture systems. Priority projects must meet MS4 permit standards using the Development BMP Handbook. Projects disturbing 1+ acres need a state SWPPP. Grading permits are conditioned on stormwater compliance and a recorded covenant.
View full Los Angeles rules →Key Facts Comparison
| Fact | Compton | Los Angeles |
|---|---|---|
| MS4 Permit | LA County NPDES | - |
| LID Required | For new/redevelopment | - |
| Regional System | LA County Flood Control District | - |
| BMPs | Required for construction and operations | - |
| Code Section | - | LAMC 64.72 (LID Ordinance) |
| Requirement | - | On-site stormwater management |
| Hierarchy | - | Infiltration > bioretention > treatment |
| 1+ Acre Sites | - | State SWPPP required |
| Covenant | - | Recorded BMP maintenance agreement |
Highlighted rows indicate differences between cities.
Compton 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 Compton public works.
Los Angeles 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 Los Angeles public works.
Compare other topics
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