Rainwater Harvesting: Fullerton vs Garden Grove
How do rainwater harvesting rules compare between Fullerton, CA and Garden Grove, CA?
Fullerton and Garden Grove have similar restriction levels.
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 →Garden Grove, CA
Orange County
Garden Grove permits residential rainwater harvesting consistent with California law (Water Code Section 10574). Homeowners may collect rainwater from rooftops using rain barrels and cisterns without a permit for containers under 5,000 gallons. The Metropolitan Water District and city offer rebates for rain barrel installation as part of water conservation programs.
View full Garden Grove rules →Key Facts Comparison
| Fact | Fullerton | Garden Grove |
|---|---|---|
| Legal Status | Legal under California Rainwater Capture Act (2012) | - |
| Permits | Not required for standard rain barrels | - |
| Mosquito Prevention | Containers must be covered or screened | - |
| Large Systems | Over 5,000 gallons may need plumbing permit | - |
| Rebates | Periodically available through MWDOC/OCWD | - |
| Legal in California | - | Yes, under Water Code 10574 |
| Permit Threshold | - | Not needed under 5,000 gallons |
| Use | - | Outdoor irrigation only (untreated) |
| Rebates Available | - | $35-$75 per rain barrel |
| Mosquito Screen | - | Required on all containers |
Highlighted rows indicate differences between cities.
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.
Garden Grove FAQ
Is it legal to collect rainwater in Garden Grove?
Yes. California Water Code Section 10574 allows residential rainwater harvesting statewide. Garden Grove residents may install rain barrels and cisterns for rooftop runoff collection without a water right permit.
Do I need a permit for a rain barrel in Garden Grove?
Containers under 5,000 gallons typically do not require a building permit. Larger cisterns may require permits and engineering review. All containers must comply with setback requirements and include mosquito screening.
Are there rebates for rain barrels in Garden Grove?
Yes. The Metropolitan Water District and Municipal Water District of Orange County offer rebates of $35 to $75 per rain barrel for qualifying installations. Check bewaterwise.com for current rebate programs and application details.
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