Rainwater Harvesting: Costa Mesa vs Orange
How do rainwater harvesting rules compare between Costa Mesa, CA and Orange, CA?
Costa Mesa and Orange 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 →Orange, CA
Orange County
Rainwater harvesting is legal and encouraged in Orange under California Water Code Section 10574. Residents may collect and use rainwater from rooftop catchment systems for landscape irrigation without a permit.
View full Orange rules →Key Facts Comparison
| Fact | Costa Mesa | Orange |
|---|---|---|
| State Law | AB 1750 Rainwater Capture Act | CA Water Code §10574 |
| No Permit Needed | Systems under 5,000 gallons | - |
| Use | Irrigation and non-potable only | - |
| Mosquito Prevention | Containers must be covered | - |
| Rebates | Check Mesa Water District | - |
| Legal Status | - | Legal — no permit needed |
| Allowed Uses | - | Landscape irrigation |
| Potable Use | - | Not permitted |
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.
Orange FAQ
Can I collect rainwater in Orange?
Yes. California's Rainwater Capture Act allows rooftop rainwater collection for landscape irrigation and non-potable uses without a permit.
Do I need a permit for a rain barrel?
No permit is needed for standard rain barrels. Very large cisterns may require a building permit for structural compliance.
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