Moorpark vs Thousand Oaks
How do stormwater management rules compare between Moorpark, CA and Thousand Oaks, CA?
Moorpark and Thousand Oaks have similar restriction levels.
Moorpark, CA
Ventura County
Moorpark's stormwater program under MMC Chapter 15.24 (Stormwater Quality Management) prohibits discharge of pollutants into the storm drain system. Non-stormwater discharges are prohibited. New development must incorporate Best Management Practices (BMPs) for stormwater retention and treatment.
View full Moorpark rules →Thousand Oaks, CA
Ventura County
Thousand Oaks regulates stormwater runoff under its MS4 NPDES permit and TOMC requirements. New development and significant redevelopment must incorporate low-impact development (LID) measures. Residents cannot discharge pollutants into storm drains, which flow untreated to Calleguas Creek and the ocean.
View full Thousand Oaks rules →Key Facts Comparison
| Fact | Moorpark | Thousand Oaks |
|---|---|---|
| Non-Stormwater Discharge | Prohibited | - |
| New Development | BMP plan required | - |
| Construction Sites | Erosion control plan required | - |
| Watercourse Maintenance | Property owner responsibility | - |
| Code Section | MMC Chapter 15.24 (Stormwater) | - |
| Permit | - | Ventura County MS4 NPDES |
| LID Required | - | For new/redevelopment projects |
| Watershed | - | Calleguas Creek to Mugu Lagoon |
| No Discharge | - | Pollutants to storm drains prohibited |
Highlighted rows indicate differences between cities.
Moorpark FAQ
Can I wash my car in the driveway in Moorpark?
Car wash water containing soap and chemicals should not be allowed to flow into storm drains. Use a commercial car wash or wash on permeable surfaces where water can be absorbed rather than draining to the street.
What stormwater requirements apply to new construction in Moorpark?
New development must prepare a Stormwater Quality Management Plan with Best Management Practices for onsite retention and treatment. Construction sites need erosion and sediment control plans.
Who is responsible for drainage on my Moorpark property?
Property owners must maintain drainage facilities and keep watercourses free of trash and debris per the stormwater ordinance. Blocked drainage that causes flooding may violate the code.
Thousand Oaks FAQ
Can I wash my car on the driveway in Thousand Oaks?
Wash water containing soap and chemicals should not flow into storm drains. Use a commercial car wash or wash on a pervious surface like grass where water can infiltrate rather than running to the street.
What is LID and do I need it for my project?
Low Impact Development (LID) includes features like permeable paving and rain gardens that manage stormwater on-site. New development and major remodels exceeding certain thresholds must incorporate LID measures.
Where does stormwater go in Thousand Oaks?
Storm drains flow untreated to Calleguas Creek and ultimately to Mugu Lagoon. This is why discharging pollutants like oil, pesticides, or pool chemicals into storm drains is prohibited.
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