Section 31142.30.

Cal. Water Code - WAT § 31142.30.
in effect
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Any abandoned or unused well, exploratory hole, or other excavation that creates or threatens to create a water contamination hazard is a public nuisance. The board shall adopt, by ordinance, regulations to carry out this section.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026

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