Drinking water quality
What's in Gramercy, MD tap water
4 contaminants were measured in the Gramercy, MD water system's most recent annual report. Each is shown below against its federal limit — 1 sit at or above that limit.
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Barium | 0.014 mg/LMax Single | 2 mg/LMCL | Within the limit |
| Copper | 1.69 mg/L90th percentile | 1.3 mg/LAL | At or above the limit |
| Lead | 8 ug/L90th percentile | 15 ug/LAL | Approaching the limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Combined Radium | 0.6 pCi/LMax Single | 5 pCi/LMCL | Within the limit |
Every figure here is transcribed verbatim from Gramercy, MD's annual Consumer Confidence Report, cross-checked by a second model, and approved by a person before publishing. Numbers are the utility's own — a water-quality report covers an entire service area, not a single address.