Erosion Control: Camarillo vs Fillmore
How do erosion control rules compare between Camarillo, CA and Fillmore, CA?
Camarillo and Fillmore have similar restriction levels.
Camarillo, CA
Ventura County
Grading, drainage and erosion control in Camarillo are regulated under CMC Title 16 (Building Code), which adopts the California Building Code with local amendments. Any project that disturbs soil or alters drainage typically requires a grading permit from the Public Works/Building & Safety counter and a Best Management Practices (BMP) plan to prevent sediment runoff.
View full Camarillo rules →Fillmore, CA
Ventura County
Fillmore requires erosion control measures for construction and grading projects, particularly important given the city's location in the Santa Clara River floodplain. Projects disturbing 1+ acre must comply with the NPDES Construction General Permit (SWPPP required).
View full Fillmore rules →Key Facts Comparison
| Fact | Camarillo | Fillmore |
|---|---|---|
| Code Section | CMC Ch. 16.04 (adopts 2025 CBC + Appendix J) | - |
| Grading Permit | Required for soil disturbance | - |
| Wet Season BMPs | Oct 1 – April 30 | - |
| Stormwater Program | Ventura Countywide MS4 | - |
| SWPPP Required | - | Projects ≥ 1 acre |
| Rainy Season | - | October through April critical |
| BMPs Required | - | All construction projects |
| Dust Control | - | VCAPCD (805) 645-1400 |
| River Protection | - | Santa Clara River watershed |
Highlighted rows indicate differences between cities.
Camarillo FAQ
Do I need a permit to grade my Camarillo lot?
Yes — any work that moves earth or alters drainage requires a grading permit from Camarillo Building & Safety under CMC Chapter 16.04 (which adopts the California Building Code, including the grading provisions of Appendix J).
Fillmore FAQ
Do I need erosion control for construction in Fillmore?
Yes. All construction projects must implement erosion control BMPs. Projects disturbing 1 acre or more must file for NPDES coverage and prepare a SWPPP. This is especially important near the Santa Clara River.
What is a SWPPP?
A Stormwater Pollution Prevention Plan details how a construction site will prevent erosion and sediment from leaving the property. It is required for projects disturbing 1 or more acres and must be prepared by a Qualified SWPPP Developer (QSD).
When is erosion control most important in Fillmore?
The October through April rainy season is the critical period. Exposed soil on construction sites is most vulnerable during rain events. All erosion control BMPs must be in place before the rainy season.
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