What was found in ZIP 21010
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 | 4700 µg/L 47% of the EPA limit 10000 µg/L Main supplier: CHAPEL HILL - ABERDEEN PROVING GROUNDS · 15,000 people · 2019 | 1/1 | SYR4 |
| Nitrate-Nitrite | 3030 µg/L 30% of the EPA limit 10000 µg/L Main supplier: CHAPEL HILL - ABERDEEN PROVING GROUNDS · 15,000 people · 2018 | 1/1 | SYR4 |
| Fluoride | 532 µg/L 13% of the EPA limit 4000 µg/L Main supplier: CHAPEL HILL - ABERDEEN PROVING GROUNDS · 15,000 people · 2019 | 1/1 | SYR4 |
| TTHM | 78.364 µg/L 98% of the EPA limit 80 µg/L Main supplier: CHAPEL HILL - ABERDEEN PROVING GROUNDS · 15,000 people · 2019 | 1/1 | SYR4 |
| Chloroform | 66 µg/L No EPA limit set Main supplier: CHAPEL HILL - ABERDEEN PROVING GROUNDS · 15,000 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 25.56 µg/L 43% of the EPA limit 60 µg/L Main supplier: CHAPEL HILL - ABERDEEN PROVING GROUNDS · 15,000 people · 2019 | 1/1 | SYR4 |
| Barium | 19 µg/L 1% of the EPA limit 2000 µg/L Main supplier: CHAPEL HILL - ABERDEEN PROVING GROUNDS · 15,000 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 15.75 µg/L No EPA limit set Main supplier: CHAPEL HILL - ABERDEEN PROVING GROUNDS · 15,000 people · 2014 | 1/1 | SYR4 |
| Bromodichloromethane | 15 µg/L No EPA limit set Main supplier: CHAPEL HILL - ABERDEEN PROVING GROUNDS · 15,000 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 10 µg/L No EPA limit set Main supplier: CHAPEL HILL - ABERDEEN PROVING GROUNDS · 15,000 people · 2014 | 1/1 | SYR4 |
| Selenium | 7.3 µg/L 15% of the EPA limit 50 µg/L Main supplier: CHAPEL HILL - ABERDEEN PROVING GROUNDS · 15,000 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 3.1 µg/L No EPA limit set Main supplier: CHAPEL HILL - ABERDEEN PROVING GROUNDS · 15,000 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 1.1 µg/L No EPA limit set Main supplier: CHAPEL HILL - ABERDEEN PROVING GROUNDS · 15,000 people · 2014 | 1/1 | SYR4 |
| Monochloroacetic Acid | 1 µg/L No EPA limit set Main supplier: CHAPEL HILL - ABERDEEN PROVING GROUNDS · 15,000 people · 2014 | 1/1 | SYR4 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L Main supplier: CHAPEL HILL - ABERDEEN PROVING GROUNDS · 15,000 people · 2023 | 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 21010
| Supplier | State | Population served |
|---|---|---|
| CHAPEL HILL - ABERDEEN PROVING GROUNDS | MD | 15,000 |
Frequently asked questions about ZIP 21010 tap water
Is the tap water in ZIP 21010 safe to drink?
EPA testing detected 15 contaminants across the water suppliers serving ZIP 21010. 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 21010?
1 public water supplier report EPA drinking-water monitoring for ZIP 21010. Each is listed above with its population served.
What contaminants are in ZIP 21010's water?
EPA monitoring detected Nitrate, Nitrate-Nitrite, Fluoride, TTHM, Chloroform, and others across this ZIP's suppliers. The full list with levels and sources is above.