What was found in Cromwell's water
The highest level seen across the city's suppliers, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate | 3220 µg/L 32% of the EPA limit 10000 µg/L | 3/3 | SYR4 |
| Nitrate-Nitrite | 3220 µg/L 32% of the EPA limit 10000 µg/L | 3/3 | SYR4 |
| Copper | 1117 µg/L 86% of the EPA limit 1300 µg/L | 3/3 | SYR4 |
| Fluoride | 1090 µg/L 27% of the EPA limit 4000 µg/L | 3/3 | SYR4 |
| Barium | 406 µg/L 20% of the EPA limit 2000 µg/L | 3/3 | SYR4 |
| Lead | 181 µg/L 1207% of the EPA limit, in the worst sample — 15 µg/L | 3/3 | SYR4 |
| TTHM | 160 µg/L 200% of the EPA limit, in the worst sample — 80 µg/L | 3/3 | SYR4 |
| Chloroform | 150 µg/L No EPA limit set | 3/3 | SYR4 |
| Total Haloacetic Acids (HAA5) | 76.21 µg/L 127% of the EPA limit, in the worst sample — 60 µg/L | 3/3 | SYR4 |
| Monobromoacetic Acid | 63.179 µg/L No EPA limit set | 2/3 | SYR4 |
| Trichloroacetic Acid | 58.366 µg/L No EPA limit set | 2/3 | SYR4 |
| Dichloroacetic Acid | 34.6 µg/L No EPA limit set | 3/3 | SYR4 |
| Bromodichloromethane | 14.6 µg/L No EPA limit set | 3/3 | SYR4 |
| Gross Alpha, Excl. Radon And U | 7.97 pCi/L 53% of the EPA limit 15 pCi/L | 1/3 | SYR4 |
| Gross Beta Particle Activity | 6.2 pCi/L No EPA limit set | 1/3 | SYR4 |
| Arsenic | 5 µg/L 50% of the EPA limit 10 µg/L | 1/3 | SYR4 |
| Dibromochloromethane | 5 µg/L No EPA limit set | 3/3 | SYR4 |
| Monochloroacetic Acid | 3.1 µg/L No EPA limit set | 3/3 | SYR4 |
| Combined Radium (-226 And -228) | 2.13 pCi/L 43% of the EPA limit 5 pCi/L | 2/3 | SYR4 |
| Bromoform | 2 µg/L No EPA limit set | 2/3 | SYR4 |
| Dibromoacetic Acid | 1.6 µg/L No EPA limit set | 2/3 | SYR4 |
| Beryllium, Total | 0.6340 µg/L 16% of the EPA limit 4 µg/L | 1/3 | SYR4 |
| 1,1,1-Trichloroethane | 0.5800 µg/L 0.3% of the EPA limit 200 µg/L | 1/3 | SYR4 |
| Mercury | 0.2000 µg/L 10% of the EPA limit 2 µg/L | 1/3 | SYR4 |
| PFHXS | 0.0087 µg/L No EPA limit set | 1/3 | UCMR-5 |
| PFOS | 0.0046 µg/L No EPA limit set | 1/3 | UCMR-5 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 3/3 | LCR |
Water suppliers serving Cromwell
| Supplier | Population served |
|---|---|
| METROPOLITAN DISTRICT COMMISSION | 390,887 |
| MIDDLETOWN WATER DEPARTMENT | 41,019 |
| CROMWELL FIRE DISTRICT WATER DEPARTMENT | 14,316 |
Frequently asked questions about Cromwell tap water
Is Cromwell tap water safe to drink?
EPA testing detected 27 contaminants in the water serving Cromwell. 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 Cromwell?
3 public water suppliers report drinking-water monitoring for Cromwell, Connecticut to the EPA. Each is listed above with its population served.
What contaminants are in Cromwell's water?
The contaminants EPA monitoring detected in Cromwell include Nitrate, Nitrate-Nitrite, Copper, Fluoride, Barium. The full list, with the highest level found 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.