St. Mary's County, Maryland Water Quality
Aggregated water quality data for 39 water systems in St. Mary's County.
Water Systems
39
Water Systems
91K
People Served
Ground water
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 19.7 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 197% | Above guideline |
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