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L.A.'s Drinking Water Quality Report

2023 Drinking Water Quality Report

The preparation and dissemination of this annual Drinking Water Quality Report (DWQR) is required by the California State Water Resources Control Board, Division of Drinking Water (SWRCB-DDW) and is prepared in accordance with their guidelines.

For questions regarding this DWQR, please call the Water Quality Hotline at (213) 367-3182.