Rainwater Harvesting: Anaheim vs Orange
How do rainwater harvesting rules compare between Anaheim, CA and Orange, CA?
Anaheim and Orange have similar restriction levels.
Anaheim, CA
Orange County
California law permits rainwater harvesting statewide under AB 1750 (Water Code 10574). Anaheim encourages water conservation measures and rainwater collection can help meet landscape water efficiency requirements.
View full Anaheim 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 | Anaheim | Orange |
|---|---|---|
| State Law | AB 1750 permits it | CA Water Code §10574 |
| Permit | Usually not needed | - |
| Use | Landscape irrigation | - |
| Benefit | Reduces stormwater runoff | - |
| Legal Status | - | Legal — no permit needed |
| Allowed Uses | - | Landscape irrigation |
| Potable Use | - | Not permitted |
Highlighted rows indicate differences between cities.
Anaheim FAQ
Can I collect rainwater in Anaheim?
Yes. California AB 1750 (Water Code 10574) permits rainwater harvesting. Rain barrels for residential use typically do not need a permit.
What can I use harvested rainwater for?
Primarily landscape irrigation. Do not use untreated rainwater for drinking. Large systems may need a building permit.
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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