Rainwater Harvesting: Costa Mesa vs Fullerton
How do rainwater harvesting rules compare between Costa Mesa, CA and Fullerton, CA?
Costa Mesa and Fullerton have similar restriction levels.
Costa Mesa, CA
Orange County
California law encourages rainwater harvesting, and Costa Mesa permits residents to collect and store rainwater for irrigation and non-potable uses without a permit for systems under 5,000 gallons. Rebates may be available through Mesa Water District.
View full Costa Mesa rules →Fullerton, CA
Orange County
Rainwater harvesting is legal and encouraged in Fullerton under California state law. The Rainwater Capture Act of 2012 (AB 1750) allows residential property owners to collect rainwater from rooftop surfaces without a permit. Rain barrels and small cisterns are permitted in side and rear yards. Fullerton and regional water agencies periodically offer rain barrel rebates or distribution events to encourage stormwater capture.
View full Fullerton rules →Key Facts Comparison
| Fact | Costa Mesa | Fullerton |
|---|---|---|
| State Law | AB 1750 Rainwater Capture Act | - |
| No Permit Needed | Systems under 5,000 gallons | - |
| Use | Irrigation and non-potable only | - |
| Mosquito Prevention | Containers must be covered | Containers must be covered or screened |
| Rebates | Check Mesa Water District | Periodically available through MWDOC/OCWD |
| Legal Status | - | Legal under California Rainwater Capture Act (2012) |
| Permits | - | Not required for standard rain barrels |
| Large Systems | - | Over 5,000 gallons may need plumbing permit |
Highlighted rows indicate differences between cities.
Costa Mesa FAQ
Is it legal to collect rainwater in Costa Mesa?
Yes. California's Rainwater Capture Act of 2012 allows residential rainwater collection without permits for systems under 5,000 gallons.
Are there rebates for rain barrels in Costa Mesa?
The Mesa Water District and Orange County Water District may offer rebates. Check their websites for current programs and eligibility.
Can I drink collected rainwater in Costa Mesa?
No, not without proper treatment and permitting. Residential rainwater harvesting is intended for irrigation and non-potable outdoor uses.
Fullerton FAQ
Do I need a permit for a rain barrel in Fullerton?
No. Standard residential rain barrels collecting roof runoff do not require a building permit under California's Rainwater Capture Act. Containers must be covered to prevent mosquito breeding. Large cistern systems (generally over 5,000 gallons) or pressurized systems may need a plumbing permit.
Can I drink rainwater I collect in Fullerton?
Collected rainwater is suitable for landscape irrigation and other non-potable outdoor uses. It is not approved for drinking water without proper treatment and testing. The Rainwater Capture Act authorizes collection for reasonable and beneficial uses, primarily irrigation.
Are there rebates for rain barrels in Fullerton?
Yes, periodically. The Municipal Water District of Orange County and Orange County Water District run rain barrel distribution events and rebate programs. Check with Fullerton's Water Division at (714) 738-6844 for current availability.
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