California Water Quality Rankings

California Cities Ranked by Water Quality

Here are 179 California cities ranked by water quality – Worst to Best. We started with the most contaminated city water supply and made our way to the least. The cities are color-coded for easy comparison. California Cities Ranked by Water Quality: Fresno – 53 contaminants Lake Elsinore – 47 Corona – 45 Rialto – […]

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