Erosion Control: Los Angeles vs Santa Monica
How do erosion control rules compare between Los Angeles, CA and Santa Monica, CA?
Los Angeles and Santa Monica have similar restriction levels.
Los Angeles, CA
Los Angeles County
An Erosion and Sediment Control Plan (ESCP) is required for construction projects in LA. Projects disturbing 1+ acres must file a state SWPPP with the Regional Water Quality Control Board. The LID ordinance requires BMPs to prevent erosion during and after construction. Hillside grading is subject to additional erosion controls under LAMC Chapter IX.
View full Los Angeles rules βSanta Monica, CA
Los Angeles County
Santa Monica requires erosion control measures during construction. Excavated soil must be positioned to prevent sediment runoff. Emergency plastic covering allowed for unprotected areas. Detention ponds and infiltration pits required as needed.
View full Santa Monica rules βKey Facts Comparison
| Fact | Los Angeles | Santa Monica |
|---|---|---|
| ESCP | Required for construction projects | - |
| 1+ Acre | State SWPPP required | - |
| Hillside | Additional grading controls | - |
| BMP Handbook | City Development BMP standards apply | - |
| Soil Management | - | Prevent runoff to streets/neighbors |
| Emergency Cover | - | Plastic covering permitted |
| BMPs | - | Detention ponds, infiltration pits |
| Drainage Controls | - | Required based on topography |
Highlighted rows indicate differences between cities.
Los Angeles FAQ
Do I need erosion control for a small project?
Most jurisdictions require erosion control for any ground disturbance over 500 to 1,000 square feet. Check Los Angeles grading permit requirements.
Who inspects erosion controls?
Los Angeles building or public works department inspects during active construction. Federal EPA NPDES permits may also apply for sites over one acre.
Santa Monica FAQ
Do I need erosion control for a small project?
Most jurisdictions require erosion control for any ground disturbance over 500 to 1,000 square feet. Check Santa Monica grading permit requirements.
Who inspects erosion controls?
Santa Monica building or public works department inspects during active construction. Federal EPA NPDES permits may also apply for sites over one acre.
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