SW

Stormwater Directory

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City of Long Beach(3 more)

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Field
Local
City of Long Beach
City of Long Beach Development Services Department
Permit
Permit / AuthorizationGrading Permit with LID/Stormwater Compliance
Submit ToCity of Long Beach Development Services Department
Lead TimePlan review 4–6 weeks; stormwater compliance reviewed as part of permit package
Application MethodOnline via Long Beach eBuild portal; LID plan submitted with building/grading permit application
FeeGrading permit fees per project scope; stormwater review included
Water Quality
Impervious Cover LimitNo citywide cap; LID requirements triggered at ≥ 5,000 sq ft of new or replaced impervious surface
On-Site Treatment RequiredYes
Detention RequiredYes — Retain the 85th-percentile 24-hour storm on-site using LID BMPs; if infeasible, biofiltration of 1.5× design volume per LA County MS4 Permit
Turbidity / Discharge StandardMust comply with state CGP and LA County MS4 Permit receiving water limitations
SWPPP
SWPPP / Local Plan RequiredYes — LID Plan / Post-Construction Stormwater Management Plan
PE Stamp RequiredYes
Inspections
Inspection RequirementsCity conducts construction-phase BMP inspections and grading inspections. Post-construction BMPs require maintenance agreements and periodic city verification.
Inspector QualificationQSP/QSD per state CGP; no additional city certification
Design & Zones
Local Design ManualCity of Long Beach LID Best Management Practices Design Manual
Special Overlay ZonesCoastal Zone, Los Angeles River / San Gabriel River Watershed