California Water Code 10573 (AB 1750) lets Corona residents collect rainwater in barrels for outdoor use without a permit. Tanks over 5,000 gal or indoor reuse require permits and backflow prevention.
Under the California Rainwater Capture Act of 2012 (Water Code §10573), property owners may collect rainwater for non-potable outdoor use (irrigation, toilet flushing) without a water rights permit. Corona allows residential rain barrels and small cisterns up to about 5,000 gallons, free-standing on a stable pad, without a building or plumbing permit, provided they are not connected to the home's plumbing and do not create a hazard. Tanks larger than 5,000 gallons, elevated tanks over 4 feet tall, and any system that discharges into the dwelling require a building permit and engineering review under the California Plumbing Code Chapter 17 (alternate water sources). Indoor non-potable reuse (toilets, laundry) requires a permitted system with appropriate filtration, dual-plumbing, purple-pipe markings, and an approved backflow prevention assembly to protect the potable supply. Stormwater detention systems for new construction may earn LID/MS4 credits under the Riverside County WQMP. Corona DWP and MWD offer rebates for qualifying rain barrels (typically $35-$100 per barrel through SoCal WaterSmart). HOAs cannot prohibit reasonable rain barrel installations under Civil Code §4735.
Specific penalty amounts for this ordinance are not published in a publicly accessible fine schedule. Contact Corona code enforcement directly for current fines, enforcement procedures, and hearing options.
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Side-by-side rule comparisons with other cities in Riverside County.
See how other cities in Riverside County handle rainwater harvesting.
See how Corona's rainwater harvesting rules stack up against other locations.
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