Stormwater Management: Fillmore vs Ventura
How do stormwater management rules compare between Fillmore, CA and Ventura, CA?
Fillmore and Ventura have similar restriction levels.
Fillmore, CA
Ventura County
Fillmore participates in the Ventura County Municipal Separate Storm Sewer System (MS4) Permit program. New development and redevelopment must implement Low Impact Development (LID) practices. Illicit discharge to the storm drain system is prohibited.
View full Fillmore rules →Ventura, CA
Ventura County
Ventura regulates stormwater under the Ventura Countywide Stormwater Quality Management Program and SBMC provisions. Development projects must implement Best Management Practices (BMPs) to reduce pollutant runoff. The City enforces the MS4 permit issued by the Los Angeles Regional Water Quality Control Board.
View full Ventura rules →Key Facts Comparison
| Fact | Fillmore | Ventura |
|---|---|---|
| MS4 Permit | Ventura County co-permittee | - |
| LID Required | New development/redevelopment | - |
| Watershed | Santa Clara River | - |
| Illicit Discharge | Prohibited to storm drains | - |
| CWA Status | River impaired under §303(d) | - |
| Program | - | Ventura Countywide Stormwater Quality Management |
| Permit | - | MS4 — LA Regional Water Quality Control Board |
| BMPs | - | Required for new development |
| LID | - | Low Impact Development standards apply |
| Enforcement | - | Fines up to $10,000/day for violations |
Highlighted rows indicate differences between cities.
Fillmore FAQ
Where does stormwater go in Fillmore?
Storm drains in Fillmore flow to the Santa Clara River. The river is listed as impaired under the Clean Water Act, making stormwater quality management especially important.
Can I wash my car in the driveway in Fillmore?
Car wash runoff flowing into storm drains is considered an illicit discharge. Wash your car on grass or a permeable surface where water can soak in, or use a commercial car wash that recycles water.
What LID measures are required for new construction?
New development must incorporate Low Impact Development features such as bioretention areas, permeable paving, rain gardens, or infiltration systems per the Ventura County MS4 Permit requirements.
Ventura FAQ
Do I need a stormwater plan for my project in Ventura?
New development and significant redevelopment projects require a Stormwater Quality Management Plan with post-construction BMPs. Contact Community Development at (805) 654-7869 for thresholds.
Can I discharge water to the storm drain?
Non-stormwater discharges to the storm drain system are prohibited. This includes construction runoff, pool drainage, and wash water. Only clean rainwater should enter storm drains.
What is LID?
Low Impact Development requires onsite treatment and infiltration of stormwater through features like bioretention, pervious pavement, and rain gardens.
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