Orange County, California Water Quality
Aggregated water quality data for 31 water systems in Orange County.
Water Systems
31
Water Systems
699K
People Served
Surface water, Ground water
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 67.2 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 672% | Above guideline |
| PFBA | 0.013 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFBS | 0.003 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 0% | Below guideline |
| PFHxA | 0.010 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxS | 0.010 | 0.010 ug/L | 0.001 ug/L(EWG) | 102% | Above limit |
| PFOA | 0.009 | 0.004 ug/L | 0.090 ug/L(EWG) | 232% | Above limit |
| PFOS | 0.017 | 0.004 ug/L | 0.300 ug/L(EWG) | 425% | Above limit |
| PFPeA | 0.018 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
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