What was found in Simsbury'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 | 4200 µg/L 42% of the EPA limit 10000 µg/L | 4/4 | SYR4 |
| Nitrate-Nitrite | 4200 µg/L 42% of the EPA limit 10000 µg/L | 4/4 | SYR4 |
| Copper | 2600 µg/L 200% of the EPA limit, in the worst sample — 1300 µg/L | 4/4 | SYR4 |
| Barium | 1258.7 µg/L 63% of the EPA limit 2000 µg/L | 3/4 | SYR4 |
| Fluoride | 420 µg/L 11% of the EPA limit 4000 µg/L | 2/4 | SYR4 |
| Lead | 49 µg/L 327% of the EPA limit, in the worst sample — 15 µg/L | 3/4 | SYR4 |
| TTHM | 18.2 µg/L 23% of the EPA limit 80 µg/L | 3/4 | SYR4 |
| Lithium | 15.1 µg/L No EPA limit set | 1/4 | UCMR-5 |
| Dibromochloromethane | 7.9 µg/L No EPA limit set | 3/4 | SYR4 |
| Glyphosate | 6 µg/L 0.9% of the EPA limit 700 µg/L | 1/4 | SYR4 |
| Total Haloacetic Acids (HAA5) | 5.4 µg/L 9% of the EPA limit 60 µg/L | 3/4 | SYR4 |
| Bromodichloromethane | 5.1 µg/L No EPA limit set | 3/4 | SYR4 |
| Gross Alpha, Excl. Radon And U | 4.65 pCi/L 31% of the EPA limit 15 pCi/L | 2/4 | SYR4 |
| Chloroform | 4.6 µg/L No EPA limit set | 3/4 | SYR4 |
| Bromoform | 4 µg/L No EPA limit set | 3/4 | SYR4 |
| Arsenic | 3.2 µg/L 32% of the EPA limit 10 µg/L | 2/4 | SYR4 |
| Dibromoacetic Acid | 3.2 µg/L No EPA limit set | 2/4 | SYR4 |
| Combined Radium (-226 And -228) | 2.6 pCi/L 52% of the EPA limit 5 pCi/L | 3/4 | SYR4 |
| Combined Uranium | 2.6 µg/L 8.7% of the EPA limit 30 µg/L | 2/4 | SYR4 |
| Tetrachloroethylene | 2.5 µg/L 50% of the EPA limit 5 µg/L | 1/4 | SYR4 |
| Chromium | 2.4 µg/L 2.4% of the EPA limit 100 µg/L | 2/4 | SYR4 |
| Dichloroacetic Acid | 1.8 µg/L No EPA limit set | 3/4 | SYR4 |
| Monochloroacetic Acid | 1.1 µg/L No EPA limit set | 1/4 | SYR4 |
| 1,2-Dichloropropane | 1 µg/L 20% of the EPA limit 5 µg/L | 1/4 | SYR4 |
| Cadmium | 1 µg/L 20% of the EPA limit 5 µg/L | 1/4 | SYR4 |
| Monobromoacetic Acid | 1 µg/L No EPA limit set | 2/4 | SYR4 |
| Trichloroacetic Acid | 1 µg/L No EPA limit set | 2/4 | SYR4 |
| Chlordane | 0.3000 µg/L 15% of the EPA limit 2 µg/L | 1/4 | SYR4 |
| Adona | 0.0081 µg/L No EPA limit set | 1/4 | UCMR-5 |
| PFOS | 0.0080 µg/L No EPA limit set | 2/4 | UCMR-5 |
| PFOA | 0.0070 µg/L No EPA limit set | 2/4 | UCMR-5 |
| Pfhxa | 0.0040 µg/L No EPA limit set | 1/4 | UCMR-5 |
| PFHXS | 0.0037 µg/L No EPA limit set | 1/4 | UCMR-5 |
| PFBS | 0.0030 µg/L No EPA limit set | 1/4 | UCMR-5 |
| Lead | 0.00030 mg/L 2% of the EPA limit 0.0150 mg/L | 4/4 | LCR |
Water suppliers serving Simsbury
| Supplier | Population served |
|---|---|
| AQUARION-SIMSBURY REGIONAL | 14,691 |
| AVON WATER CO | 11,590 |
| TARIFFVILLE FIRE DISTRICT WATER DEPT | 1,477 |
| ETHEL WALKER SCHOOL | 325 |
Frequently asked questions about Simsbury tap water
Is Simsbury tap water safe to drink?
EPA testing detected 35 contaminants in the water serving Simsbury. 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 Simsbury?
4 public water suppliers report drinking-water monitoring for Simsbury, Connecticut to the EPA. Each is listed above with its population served.
What contaminants are in Simsbury's water?
The contaminants EPA monitoring detected in Simsbury include Nitrate, Nitrate-Nitrite, Copper, Barium, Fluoride. 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.