Glendale vs Norwalk
How do stormwater management rules compare between Glendale, CA and Norwalk, CA?
Glendale and Norwalk have similar restriction levels.
Glendale, CA
Los Angeles County
Glendale participates in the LA County MS4 NPDES permit program. Stormwater discharge to the municipal system must comply with the permit. Low Impact Development standards apply to new construction and redevelopment.
View full Glendale rules →Norwalk, CA
Los Angeles County
Norwalk requires stormwater management for new development and significant property modifications. Runoff must be controlled on-site through retention, detention, or infiltration systems.
View full Norwalk rules →Key Facts Comparison
| Fact | Glendale | Norwalk |
|---|---|---|
| NPDES | LA County MS4 permit | - |
| LID | Required for new development | - |
| Illicit Discharge | Prohibited | - |
| Construction | SWPPP required for 1+ acre | - |
| New Development | - | Stormwater plan required |
| Runoff Control | - | On-site retention |
| Maintenance | - | Owner responsibility |
| Topic | - | Stormwater |
Highlighted rows indicate differences between cities.
Glendale 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 Glendale public works.
Norwalk 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 Norwalk public works.
Compare other topics
See how Glendale and Norwalk compare on other ordinance categories.
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