SW

Stormwater Directory

Compare Regulations

Compare city/county requirements side-by-side (up to 4 jurisdictions)

City of Anaheim(3 more)

Rows with an amber indicator differ across selections.

Field
Local
City of Anaheim
City of Anaheim Public Works Department / Planning and Building Department
Permit
Permit / AuthorizationGrading Permit with Water Quality Management Plan (WQMP)
Submit ToCity of Anaheim Public Works Department / Planning and Building Department
Lead TimePlan review 4–6 weeks; WQMP reviewed concurrently with grading/building permit
Application MethodOnline via City of Anaheim ePlan portal; WQMP submitted as part of permit package
FeeGrading permit fees per project scope; WQMP review included
Water Quality
Impervious Cover LimitNo citywide cap; WQMP required for projects meeting Orange County priority project criteria (≥ 5,000 sq ft of new impervious surface for most categories)
On-Site Treatment RequiredYes
Detention RequiredYes — Retain the 85th-percentile 24-hour storm on-site using LID BMPs per Orange County Drainage Area Management Plan (DAMP) and Technical Guidance Document
Turbidity / Discharge StandardMust comply with state CGP and Santa Ana Regional Water Board Basin Plan; subject to North Orange County MS4 Permit
SWPPP
SWPPP / Local Plan RequiredYes — Project-specific WQMP for post-construction; SWPPP per state CGP for construction phase
PE Stamp RequiredYes
Inspections
Inspection RequirementsCity inspects grading and erosion control during construction. Post-construction BMPs require recorded maintenance agreements and annual self-inspection. City conducts periodic compliance audits.
Inspector QualificationQSP/QSD per state CGP; no additional city certification
Design & Zones
Local Design ManualOrange County DAMP Technical Guidance Document for WQMP Preparation
Special Overlay ZonesAnaheim Hills / Hillside Development Area, Santa Ana River Watershed