Stormwater Management: Bonsall vs Oceanside
How do stormwater management rules compare between Bonsall, CA and Oceanside, CA?
Oceanside has fewer restrictions than Bonsall.
Bonsall, CA
San Diego County
San Diego County adopted the Watershed Protection, Stormwater Management, and Discharge Control Ordinance (WPO) in 2016. The ordinance prohibits pollutant discharge to storm drains and requires stormwater management for development projects. All properties must prevent illicit discharges.
View full Bonsall rules →Oceanside, CA
San Diego County
Oceanside enforces stormwater quality requirements under the San Diego Regional NPDES Municipal Stormwater Permit. All development must implement BMPs to prevent pollutants from reaching storm drains and the ocean. The Watershed Protection Program oversees compliance.
View full Oceanside rules →Key Facts Comparison
| Fact | Bonsall | Oceanside |
|---|---|---|
| Ordinance | Watershed Protection Ordinance (2016) | - |
| Discharge | Pollutant discharge to storm drains prohibited | Only stormwater in storm drains |
| Development | SWQMP required for qualifying projects | SWQMP and permanent BMPs required |
| Construction | Erosion/sediment control BMPs required | - |
| Manual | County Stormwater Standards Manual | - |
| Permit | - | San Diego Regional NPDES MS4 Permit |
| LID | - | Low Impact Development strategies required |
| Report Dumping | - | (760) 435-5800 |
Highlighted rows indicate differences between cities.
Bonsall FAQ
What is the stormwater ordinance in San Diego County?
The Watershed Protection Ordinance (WPO) prohibits pollutant discharge to storm drains and requires stormwater management for development projects. It was adopted in 2016 to protect water quality.
Do I need a stormwater plan for my construction project?
Development projects of certain sizes must prepare Stormwater Quality Management Plans (SWQMPs). Check the County Stormwater Standards Manual for thresholds and requirements.
Can I wash my car and let water run into the storm drain?
No. Wash water containing soap, oil, and chemicals should not be discharged to storm drains. Use a commercial car wash that recycles water or wash on permeable surfaces where water can infiltrate the ground.
Oceanside FAQ
Can I wash my car and let water flow to the storm drain?
Car wash water containing soap, oil, and other pollutants should not enter the storm drain. Use a commercial car wash or wash on a pervious surface where water can infiltrate.
What is a SWQMP?
A Stormwater Quality Management Plan required for development projects, showing how the project will treat and manage stormwater runoff to protect water quality.
How do I report illegal dumping in a storm drain?
Call the Watershed Protection Program at (760) 435-5800 to report illegal discharges or dumping into storm drains.
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