What was found in Seymour'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-Nitrite | 10300 µg/L 103% of the EPA limit, in the worst sample — 10000 µg/L | 3/4 | SYR4 |
| Nitrate | 3715 µg/L 37% of the EPA limit 10000 µg/L | 3/4 | SYR4 |
| Fluoride | 2320 µg/L 58% of the EPA limit 4000 µg/L | 3/4 | SYR4 |
| Copper | 1550 µg/L 119% of the EPA limit, in the worst sample — 1300 µg/L | 4/4 | SYR4 |
| Lead | 668 µg/L 4453% of the EPA limit, in the worst sample — 15 µg/L | 4/4 | SYR4 |
| Nitrite | 448 µg/L 45% of the EPA limit 1000 µg/L | 1/4 | SYR4 |
| Barium | 301 µg/L 15% of the EPA limit 2000 µg/L | 3/4 | SYR4 |
| TTHM | 122.7 µg/L 153% of the EPA limit, in the worst sample — 80 µg/L | 4/4 | SYR4 |
| Chloroform | 96 µg/L No EPA limit set | 4/4 | SYR4 |
| Total Haloacetic Acids (HAA5) | 75 µg/L 125% of the EPA limit, in the worst sample — 60 µg/L | 4/4 | SYR4 |
| Trichloroacetic Acid | 45.3 µg/L No EPA limit set | 4/4 | SYR4 |
| Dichloroacetic Acid | 36 µg/L No EPA limit set | 4/4 | SYR4 |
| Bromodichloromethane | 24.6 µg/L No EPA limit set | 4/4 | SYR4 |
| Monochloroacetic Acid | 10.4 µg/L No EPA limit set | 3/4 | SYR4 |
| Gross Beta Particle Activity | 8.5 pCi/L No EPA limit set | 1/4 | SYR4 |
| Dibromochloromethane | 8 µg/L No EPA limit set | 4/4 | SYR4 |
| Combined Radium (-226 And -228) | 5.9 pCi/L 118% of the EPA limit, in the worst sample — 5 pCi/L | 2/4 | SYR4 |
| Bromoform | 2 µg/L No EPA limit set | 4/4 | SYR4 |
| Chromium | 2 µg/L 2% of the EPA limit 100 µg/L | 1/4 | SYR4 |
| Dibromoacetic Acid | 1.5 µg/L No EPA limit set | 4/4 | SYR4 |
| Monobromoacetic Acid | 1 µg/L No EPA limit set | 1/4 | SYR4 |
| PFOA | 0.0109 µg/L No EPA limit set | 3/4 | UCMR-5 |
| PFOS | 0.0107 µg/L No EPA limit set | 3/4 | UCMR-5 |
| Pfba | 0.0076 µg/L No EPA limit set | 1/4 | UCMR-5 |
| Pfhxa | 0.0074 µg/L No EPA limit set | 2/4 | UCMR-5 |
| Pfpea | 0.0068 µg/L No EPA limit set | 3/4 | UCMR-5 |
| PFBS | 0.0046 µg/L No EPA limit set | 3/4 | UCMR-5 |
| Pfhpa | 0.0039 µg/L No EPA limit set | 2/4 | UCMR-5 |
| Lead | 0.0011 mg/L 7.3% of the EPA limit 0.0150 mg/L | 4/4 | LCR |
Water suppliers serving Seymour
| Supplier | Population served |
|---|---|
| REGIONAL WATER AUTHORITY | 418,900 |
| AQUARION-EASTERN FAIRFIELD COUNTY | 351,756 |
| AQUARION-VALLEY | 13,080 |
| AQUARION-HAWKSTONE | 120 |
Frequently asked questions about Seymour tap water
Is Seymour tap water safe to drink?
EPA testing detected 29 contaminants in the water serving Seymour. 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 Seymour?
4 public water suppliers report drinking-water monitoring for Seymour, Connecticut to the EPA. Each is listed above with its population served.
What contaminants are in Seymour's water?
The contaminants EPA monitoring detected in Seymour include Nitrate-Nitrite, Nitrate, Fluoride, Copper, Lead. 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.