Stormwater Management: Bonsall vs Vista

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.

When is a SWQMP required in Vista?

When a project creates or replaces 5,000 sq ft or more of impervious surface area, a Stormwater Quality Management Plan is required.

Can I drain my pool into the street in Vista?

No. Pool drainage into the storm drain system is an illicit discharge under VMC Chapter 13.18 and is prohibited.

What happens if I violate stormwater rules during construction?

You may face administrative fines up to $1,000 per day, stop-work orders, and cost recovery for any cleanup the city performs.