Section 60028.

Cal. Water Code - WAT § 60028.
in effect
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“Contaminant” means any physical, chemical, biological, or radiological substance, or substances, of a concentration which, if contained in water, will cause a significant impairment to a domestic drinking water supply.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026

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