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🌍 Environmental Rules/Stormwater Management

Stormwater Management: Fillmore vs Ojai

How do stormwater management rules compare between Fillmore, CA and Ojai, CA?

Fillmore and Ojai have similar restriction levels.

Fillmore, CA

Ventura County

Some Restrictions

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.

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Ojai, CA

Ventura County

Some Restrictions

Unincorporated Ventura County is covered by the Ventura County MS4 NPDES Permit for stormwater management. All development must comply with stormwater quality standards. Illicit discharge to storm drains is prohibited.

View full Ojai rules →

Key Facts Comparison

FactFillmoreOjai
MS4 PermitVentura County co-permittee-
LID RequiredNew development/redevelopment-
WatershedSanta Clara River-
Illicit DischargeProhibited to storm drainsProhibited
CWA StatusRiver impaired under §303(d)-
Permit-Ventura County MS4 NPDES
LID-Required for new development
Watershed District-(805) 654-2001
Dumping Report-(805) 654-2001

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.

Ojai FAQ

What can go into storm drains in Ventura County?

Only stormwater. Discharge of chemicals, wash water, paint, oil, or other pollutants is prohibited. Storm drains flow directly to rivers and the ocean.

What are LID standards?

Low Impact Development standards require on-site stormwater retention through bioswales, permeable paving, or rain gardens for new construction and major renovations.

How do I report illegal dumping?

Contact the Ventura County Watershed Protection District at (805) 654-2001.

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