MyCleanWater

San Mateo County, California Water Quality

Aggregated water quality data for 7 water systems in San Mateo County.

Water Systems

7
Water Systems
264K
People Served
Surface water, Ground water
Water Source

Detected Contaminants

ContaminantDetected LevelEPA Limit (MCL)Health Guideline% of LimitStatus
lithium23.6 No federal limit10.0 ug/L(EPA/USGS HBSL)
236%
Above guideline

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