Sonora permits residential rainwater harvesting under California state law (AB 1750). No local permit is required for rain barrel installations. Rainwater collection supports water conservation in the Sierra Nevada foothills where Tuolumne Utilities District manages water supply.
California AB 1750 (2012) established the statewide right to collect rainwater from rooftops for landscape irrigation and non-potable uses without a permit. Sonora residents may install rain barrels and cisterns without city approval. Larger rainwater harvesting systems with underground storage may require a building permit for structural and plumbing connections. Collected rainwater should not be used for drinking water without treatment. The Tuolumne Utilities District encourages water conservation practices including rainwater collection. Mosquito prevention measures such as screened openings are recommended for standing water storage.
No penalties exist for basic rainwater collection. Large systems installed without required building permits may face standard permit violation fines. Standing water creating mosquito breeding conditions may trigger health department action.
Sonora, CA
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Sonora, CA
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Sonora, CA
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Sonora, CA
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Sonora, CA
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Sonora, CA
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See how Sonora's rainwater harvesting rules stack up against other locations.
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