Elk Grove vs Isleton
How do rainwater harvesting rules compare between Elk Grove, CA and Isleton, CA?
Elk Grove and Isleton have similar restriction levels.
Elk Grove, CA
Sacramento County
Rainwater harvesting is legal and encouraged in Elk Grove under California's Rainwater Capture Act of 2012 (AB 1750). Rooftop rain barrels do not require a permit. Larger cisterns or systems connected to indoor plumbing require building and plumbing permits.
View full Elk Grove rules →Isleton, 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 Isleton rules →Key Facts Comparison
| Fact | Elk Grove | Isleton |
|---|---|---|
| State law | Rainwater Capture Act (AB 1750) | - |
| Rain barrel | No permit typical | - |
| Large cistern | Building & plumbing permit | - |
| Use | Non-potable onsite | - |
| Rebates | RWA/Cal Water programs | Periodically available |
| State Law | - | AB 1750 Rainwater Capture Act |
| Barrels | - | No permit for outdoor use |
| Cisterns | - | Plumbing permit if indoor use |
| Mosquito | - | Covered inlets required |
Highlighted rows indicate differences between cities.
Elk Grove FAQ
Do I need a permit for a 55-gallon rain barrel?
No. Standard rain barrels for outdoor irrigation are exempt from permits.
Can I plumb harvested rainwater to my toilets?
Yes, but the system needs a building/plumbing permit with backflow prevention and UPC-compliant design.
Isleton 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.
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