Rainwater Harvesting: Carmichael vs Galt
How do rainwater harvesting rules compare between Carmichael, CA and Galt, CA?
Carmichael and Galt have similar restriction levels.
Carmichael, CA
Sacramento County
Rainwater harvesting is legal and encouraged in unincorporated Sacramento County. Rooftop collection for outdoor landscape use requires no permit. Larger cistern systems and indoor non-potable use require plumbing permits.
View full Carmichael rules →Galt, CA
Sacramento County
Rainwater collection is encouraged in Galt. California law allows rooftop rainwater capture without a water right permit, and typical residential rain barrels do not require a building permit. Larger cisterns or potable reuse systems need plumbing review.
View full Galt rules →Key Facts Comparison
| Fact | Carmichael | Galt |
|---|---|---|
| State Law | AB 1750 Rainwater Capture Act | - |
| Barrels | No permit for outdoor use | - |
| Cisterns | Plumbing permit if indoor use | - |
| Mosquito | Covered inlets required | - |
| Rebates | Periodically available | - |
| State law | - | AB 1750 Rainwater Capture Act |
| Rain barrels | - | No permit |
| Indoor reuse | - | Plumbing permit required |
| Potable use | - | Not allowed residential |
| Mosquito screen | - | Required |
Highlighted rows indicate differences between cities.
Carmichael FAQ
Do I need a permit for a rain barrel?
Generally no, for typical 50 to 100 gallon outdoor barrels used for landscape watering.
Can I use rainwater to flush toilets?
Yes, but the system must be permitted and installed to California Plumbing Code Chapter 17.
Galt FAQ
How big a rain barrel can I install without a permit?
Galt generally follows state guidance that connected barrels under roughly 100 gallons and not integrated with the potable plumbing do not require a permit.
Can I hook rainwater into my toilet tank?
Only with a plumbing permit, approved filtration, and a proper air gap or listed backflow device to prevent cross-connection with City water.
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