What was found in ZIP 21767
The level at this ZIP's main supplier, the highest level anywhere in it, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate | 1364 µg/L 14% of the EPA limit 10000 µg/L Main supplier: CITY OF HAGERSTOWN · 92,200 people · 2019 | 1/1 | SYR4 |
| Fluoride | 667.2 µg/L 17% of the EPA limit 4000 µg/L Main supplier: CITY OF HAGERSTOWN · 92,200 people · 2019 | 1/1 | SYR4 |
| Nitrate-Nitrite | 554.5 µg/L 5.5% of the EPA limit 10000 µg/L Main supplier: CITY OF HAGERSTOWN · 92,200 people · 2017 | 1/1 | SYR4 |
| TTHM | 108.596 µg/L 136% of the EPA limit, at the 95th percentile of samples — 80 µg/L Main supplier: CITY OF HAGERSTOWN · 92,200 people · 2019 | 1/1 | SYR4 |
| Chloroform | 71.205 µg/L No EPA limit set Main supplier: CITY OF HAGERSTOWN · 92,200 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 45.078 µg/L 75% of the EPA limit 60 µg/L Main supplier: CITY OF HAGERSTOWN · 92,200 people · 2019 | 1/1 | SYR4 |
| Barium | 44.65 µg/L 2.2% of the EPA limit 2000 µg/L Main supplier: CITY OF HAGERSTOWN · 92,200 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 38.14 µg/L No EPA limit set Main supplier: CITY OF HAGERSTOWN · 92,200 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 25.87 µg/L No EPA limit set Main supplier: CITY OF HAGERSTOWN · 92,200 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 24.99 µg/L No EPA limit set Main supplier: CITY OF HAGERSTOWN · 92,200 people · 2015 | 1/1 | SYR4 |
| Trichloroacetic Acid | 23.78 µg/L No EPA limit set Main supplier: CITY OF HAGERSTOWN · 92,200 people · 2015 | 1/1 | SYR4 |
| Dibromoacetic Acid | 6.847 µg/L No EPA limit set Main supplier: CITY OF HAGERSTOWN · 92,200 people · 2015 | 1/1 | SYR4 |
| Bromoform | 5.352 µg/L No EPA limit set Main supplier: CITY OF HAGERSTOWN · 92,200 people · 2018 | 1/1 | SYR4 |
| Monobromoacetic Acid | 2.046 µg/L No EPA limit set Main supplier: CITY OF HAGERSTOWN · 92,200 people · 2015 | 1/1 | SYR4 |
| Chromium | 1.8515 µg/L 1.9% of the EPA limit 100 µg/L Main supplier: CITY OF HAGERSTOWN · 92,200 people · 2019 | 1/1 | SYR4 |
| Lead | 0.00080 mg/L 5.3% of the EPA limit 0.0150 mg/L Main supplier: CITY OF HAGERSTOWN · 92,200 people · 2025 | 1/1 | LCR |
Each bar shows the measured level as a share of the EPA limit: green is
well under, amber is close to it, red is over. For lead and copper the
limit applies to exactly the 90th-percentile figure shown, so red there
means a real exceedance. For everything else the limit applies to a
running annual average while the figure is the 95th percentile of the
system's samples — over 100% is worth reading, but is not by itself a
violation.
Formal violations are listed separately.
Water suppliers serving ZIP 21767
| Supplier | State | Population served |
|---|---|---|
| CITY OF HAGERSTOWN | MD | 92,200 |
Frequently asked questions about ZIP 21767 tap water
Is the tap water in ZIP 21767 safe to drink?
EPA testing detected 16 contaminants across the water suppliers serving ZIP 21767. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and your utility's annual Consumer Confidence Report for the official status.
Which water suppliers serve ZIP 21767?
1 public water supplier report EPA drinking-water monitoring for ZIP 21767. Each is listed above with its population served.
What contaminants are in ZIP 21767's water?
EPA monitoring detected Nitrate, Fluoride, Nitrate-Nitrite, TTHM, Chloroform, and others across this ZIP's suppliers. The full list with levels and sources is above.