What was found in Barrington's water
The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate | 4300 µg/L 43% of the EPA limit 10000 µg/L Highest in the city: LEE OAK COOPERATIVE · 163 people · 2019 | 5/14 | SYR4 |
| Copper | 65.78 µg/L 5.1% of the EPA limit 1300 µg/L Main supplier: EMERALD ACRES · 250 people · 2018
Highest in the city: 3759.1 µg/L — LEE OAK COOPERATIVE · 163 people · 2019 | 13/14 | SYR4 |
| Nitrate-Nitrite | 3440 µg/L 34% of the EPA limit 10000 µg/L Highest in the city: LEE OAK COOPERATIVE · 163 people · 2017 | 3/14 | SYR4 |
| Fluoride | 1094.5 µg/L 27% of the EPA limit 4000 µg/L Main supplier: EMERALD ACRES · 250 people · 2018
Highest in the city: 1796.5 µg/L — OLD STAGECOACH ARMS · 35 people · 2018 | 9/14 | SYR4 |
| Barium | 7.78 µg/L 0.4% of the EPA limit 2000 µg/L Main supplier: EMERALD ACRES · 250 people · 2018
Highest in the city: 109.5 µg/L — OLD STAGECOACH ARMS · 35 people · 2018 | 13/14 | SYR4 |
| Combined Uranium | 3.085 µg/L 10% of the EPA limit 30 µg/L Main supplier: EMERALD ACRES · 250 people · 2019
Highest in the city: 28.8 µg/L — HALCYON HILL · 58 people · 2019 | 10/14 | SYR4 |
| Lead | 1.2 µg/L 8% of the EPA limit 15 µg/L Main supplier: EMERALD ACRES · 250 people · 2018
Highest in the city: 15.245 µg/L — ELLISON FARM APTS · 48 people · 2018 | 10/14 | SYR4 |
| Gross Alpha, Excl. Radon And U | 3.3 pCi/L 22% of the EPA limit 15 pCi/L Main supplier: EMERALD ACRES · 250 people · 2014
Highest in the city: 14.59 pCi/L — HALCYON HILL · 58 people · 2019 | 11/14 | SYR4 |
| Arsenic | 2.67 µg/L 27% of the EPA limit 10 µg/L Main supplier: EMERALD ACRES · 250 people · 2018
Highest in the city: 6.055 µg/L — SWAINS LAKE VILLAGE WATER · 227 people · 2019 | 4/14 | SYR4 |
| Chromium | 1.1 µg/L 1.1% of the EPA limit 100 µg/L Main supplier: EMERALD ACRES · 250 people · 2018
Highest in the city: 5.6 µg/L — PEPPERIDGE WOODS · 113 people · 2018 | 6/14 | SYR4 |
| TTHM | 3.95 µg/L 4.9% of the EPA limit 80 µg/L Highest in the city: SWAINS LAKE VILLAGE WATER · 227 people · 2019 | 2/14 | SYR4 |
| Combined Radium (-226 And -228) | 3.29 pCi/L 66% of the EPA limit 5 pCi/L Highest in the city: BARRINGTON HILLS APTS/UPPER · 43 people · 2018 | 8/14 | SYR4 |
| Chloroform | 1.92 µg/L No EPA limit set Highest in the city: SWAINS LAKE VILLAGE WATER · 227 people · 2019 | 2/14 | SYR4 |
| Di(2-ethylhexyl) Phthalate | 1.4 µg/L 23% of the EPA limit 6 µg/L Highest in the city: BARRINGTON HILLS APTS/UPPER · 43 people · 2019 | 2/14 | SYR4 |
| Dibromochloromethane | 1.375 µg/L No EPA limit set Highest in the city: HALCYON HILL · 58 people · 2019 | 3/14 | SYR4 |
| Bromoform | 1.3 µg/L No EPA limit set Highest in the city: HALCYON HILL · 58 people · 2019 | 1/14 | SYR4 |
| Bromodichloromethane | 1.285 µg/L No EPA limit set Highest in the city: PEPPERIDGE WOODS · 113 people · 2019 | 3/14 | SYR4 |
| Lead | 0.1880 mg/L 1253% above the EPA limit of 0.0150 mg/L Highest in the city: BARRINGTON OAKS · 123 people · 2006 | 2/14 | LCR |
| Mercury | 0.1000 µg/L 5% of the EPA limit 2 µg/L Highest in the city: SWAINS LAKE VILLAGE WATER · 227 people · 2018 | 2/14 | SYR4 |
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.
These are the utilities' own EPA-reported results, not a city-wide
average. A detection means the lab measured the
substance — it isn't the same as exceeding a legal limit. Hover a source
tag to see the EPA program and years behind each figure.
Water suppliers serving Barrington
| Supplier | Population served |
|---|---|
| EMERALD ACRES | 250 |
| SWAINS LAKE VILLAGE WATER | 227 |
| BARRINGTON MOBILE HOME ESTATES | 198 |
| LEE OAK COOPERATIVE | 163 |
| BARRINGTON OAKS | 123 |
| PEPPERIDGE WOODS | 113 |
| DREW POND | 100 |
| OYSTER RIVER APTS EAST/WEST | 60 |
| HALCYON HILL | 58 |
| GREEN HILLS MHP | 50 |
| ELLISON FARM APTS | 48 |
| BARRINGTON HILLS APTS/UPPER | 43 |
| BARRINGTON HILLS APTS/LOWER | 38 |
| OLD STAGECOACH ARMS | 35 |
Frequently asked questions about Barrington tap water
Is Barrington tap water safe to drink?
EPA testing detected 19 contaminants in the water serving Barrington. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.
How many water suppliers serve Barrington?
14 public water suppliers report drinking-water monitoring for Barrington, New Hampshire to the EPA. Each is listed above with its population served.
What contaminants are in Barrington's water?
The contaminants EPA monitoring detected in Barrington include Nitrate, Copper, Nitrate-Nitrite, Fluoride, Barium. The full list, with the level at the main supplier and the data source, is in the table above.
Where does this data come from?
Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.