Rainwater Harvesting: Chino vs Rancho Cucamonga
How do rainwater harvesting rules compare between Chino, CA and Rancho Cucamonga, CA?
Chino and Rancho Cucamonga have similar restriction levels.
Chino, CA
San Bernardino County
Rainwater harvesting from rooftops for outdoor irrigation is allowed in California without a water-right permit under the Rainwater Capture Act of 2012 (Water Code section 10574). Chino does not prohibit residential rain barrels or cisterns. Larger above-ground tanks may trigger building/zoning review under Title 15 and Title 20 (setbacks, height of accessory structures). Mosquito control under California Code of Regulations Title 17 requires covered/screened storage.
View full Chino rules →Rancho Cucamonga, CA
San Bernardino County
Rainwater harvesting for landscape irrigation is legal and encouraged in Rancho Cucamonga. CVWD and MWC offer rebates, and systems over 5,000 gallons or potable use require permits.
View full Rancho Cucamonga rules →Key Facts Comparison
| Fact | Chino | Rancho Cucamonga |
|---|---|---|
| State authority | Water Code sections 10573-10574 (Rainwater Capture Act of 2012) | - |
| Plumbing code | Cal. Plumbing Code Chapter 17 (catchment systems) | - |
| Mosquito prevention | CCR Title 17 section 2820 (covered/screened storage) | - |
| Local permit | Title 15 building permit for large cisterns / plumbed systems | - |
| Potable use | Not allowed without treatment per state and CPC standards | - |
| Rain barrels | - | Allowed without permit for roof runoff |
| Large systems | - | Permit required over approximately 5,000 gallons |
| Use restriction | - | Non-potable landscape irrigation only |
| Greywater | - | Laundry-to-landscape exempt under CPC Chapter 16 |
| Rebates | - | CVWD periodic rain barrel rebate programs |
Highlighted rows indicate differences between cities.
Chino FAQ
Do I need a permit for a rain barrel in Chino?
No permit is required for typical rain barrels under 50-100 gallons used for outdoor irrigation. Larger cisterns or systems plumbed into the house need a Title 15 building permit and must follow Cal. Plumbing Code Chapter 17.
Can I drink harvested rainwater?
No. State law only allows harvested rainwater for nonpotable uses (landscape, flushing) unless treated to potable standards under the California Plumbing Code.
Rancho Cucamonga FAQ
Can I install a rain barrel in Rancho Cucamonga?
Yes. Simple rain barrels under 5,000 gallons for landscape irrigation do not require a permit and may qualify for CVWD rebates.
Can I drink harvested rainwater?
No. California allows rainwater for non-potable uses only unless a complex treatment and backflow system is permitted.
Can my HOA ban my rain barrel?
No. California Civil Code 4735 prohibits HOAs from banning water conservation landscaping and reasonable rain capture devices, though they can regulate appearance.
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