Rainwater Harvesting: Oxnard vs Ventura
How do rainwater harvesting rules compare between Oxnard, CA and Ventura, CA?
Oxnard and Ventura have similar restriction levels.
Oxnard, CA
Ventura County
Oxnard encourages rainwater harvesting for landscape irrigation. California AB 1750 expressly allows rainwater capture from rooftops. No city permit is required for standard rain barrel systems, though larger cisterns may need building permits.
View full Oxnard rules →Ventura, CA
Ventura County
Rainwater harvesting is legal and encouraged in Ventura under California law. AB 1750 (2012) explicitly allows residential rainwater capture. Ventura Water and the City support rainwater collection as part of water conservation efforts. No permit is generally required for standard rain barrels.
View full Ventura rules →Key Facts Comparison
| Fact | Oxnard | Ventura |
|---|---|---|
| State Law | AB 1750 allows rooftop capture | CA AB 1750 — rainwater capture legal |
| Permit | Not needed for barrels up to 250 gal | - |
| Use | Landscape irrigation only | Landscape irrigation (not potable) |
| Mosquito Control | No standing water allowed | - |
| Permits | - | Not required for standard rain barrels |
| Large Systems | - | May need building permits |
| Incentives | - | Check Ventura Water for rebate programs |
Highlighted rows indicate differences between cities.
Oxnard FAQ
Can I collect rainwater in Oxnard?
Yes. California AB 1750 expressly allows capturing rainwater from rooftops. Standard rain barrels up to 250 gallons do not require a city permit.
Do I need a permit for a large rainwater tank in Oxnard?
Large cistern systems (over 250 gallons) may require a building permit, especially if they involve plumbing connections or structural support. Contact Oxnard Building Division at (805) 385-7858.
Can I use captured rainwater for drinking in Oxnard?
No. Captured rainwater should be used for landscape irrigation only, not for drinking or cooking. Potable use requires treatment systems meeting health department standards.
Ventura FAQ
Can I collect rainwater in Ventura?
Yes. California AB 1750 explicitly allows residential rainwater capture. Standard rain barrels generally do not require permits.
Do I need a permit for rain barrels?
Standard rain barrels (50-100 gallons) generally do not require permits. Larger cisterns may need building permits depending on size and installation.
Are there rebates for rainwater harvesting?
Ventura Water may offer rebates for water conservation systems. Contact Customer Care at (805) 667-6500 for current programs.
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