What was found in Ridgefield'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 | 5300 µg/L 53% of the EPA limit 10000 µg/L | 6/8 | SYR4 |
| Nitrate-Nitrite | 5300 µg/L 53% of the EPA limit 10000 µg/L | 6/8 | SYR4 |
| Copper | 1530 µg/L 118% of the EPA limit, in the worst sample — 1300 µg/L | 8/8 | SYR4 |
| Fluoride | 1080 µg/L 27% of the EPA limit 4000 µg/L | 6/8 | SYR4 |
| Lead | 668 µg/L 4453% of the EPA limit, in the worst sample — 15 µg/L | 7/8 | SYR4 |
| TTHM | 101 µg/L 126% of the EPA limit, in the worst sample — 80 µg/L | 7/8 | SYR4 |
| Chloroform | 79 µg/L No EPA limit set | 8/8 | SYR4 |
| Total Haloacetic Acids (HAA5) | 75 µg/L 125% of the EPA limit, in the worst sample — 60 µg/L | 7/8 | SYR4 |
| Barium | 59 µg/L 2.9% of the EPA limit 2000 µg/L | 5/8 | SYR4 |
| Trichloroacetic Acid | 38 µg/L No EPA limit set | 6/8 | SYR4 |
| Dichloroacetic Acid | 36 µg/L No EPA limit set | 7/8 | SYR4 |
| Bromoform | 21 µg/L No EPA limit set | 4/8 | SYR4 |
| Nitrite | 21 µg/L 2.1% of the EPA limit 1000 µg/L | 1/8 | SYR4 |
| Bromodichloromethane | 19.5 µg/L No EPA limit set | 7/8 | SYR4 |
| Dibromochloromethane | 14 µg/L No EPA limit set | 7/8 | SYR4 |
| Gross Alpha, Excl. Radon And U | 11.701 pCi/L 78% of the EPA limit 15 pCi/L | 3/8 | SYR4 |
| Lithium | 9.17 µg/L No EPA limit set | 1/8 | UCMR-5 |
| Combined Uranium | 5.6 µg/L 19% of the EPA limit 30 µg/L | 4/8 | SYR4 |
| Monochloroacetic Acid | 5.3 µg/L No EPA limit set | 6/8 | SYR4 |
| Dibromoacetic Acid | 5 µg/L No EPA limit set | 5/8 | SYR4 |
| Monobromoacetic Acid | 4.7 µg/L No EPA limit set | 3/8 | SYR4 |
| Combined Radium (-226 And -228) | 4.15 pCi/L 83% of the EPA limit 5 pCi/L | 3/8 | SYR4 |
| Cyanide | 3 µg/L 1.5% of the EPA limit 200 µg/L | 1/8 | SYR4 |
| Selenium | 3 µg/L 6% of the EPA limit 50 µg/L | 1/8 | SYR4 |
| Chromium | 2 µg/L 2% of the EPA limit 100 µg/L | 1/8 | SYR4 |
| Di(2-ethylhexyl) Phthalate | 1.5 µg/L 25% of the EPA limit 6 µg/L | 1/8 | SYR4 |
| 1,1,1-Trichloroethane | 1.2 µg/L 0.6% of the EPA limit 200 µg/L | 1/8 | SYR4 |
| PFOA | 0.0109 µg/L No EPA limit set | 3/8 | UCMR-5 |
| Pfpea | 0.0106 µg/L No EPA limit set | 3/8 | UCMR-5 |
| Pfhxa | 0.0096 µg/L No EPA limit set | 3/8 | UCMR-5 |
| Pfba | 0.0076 µg/L No EPA limit set | 2/8 | UCMR-5 |
| PFOS | 0.0066 µg/L No EPA limit set | 2/8 | UCMR-5 |
| Pfhpa | 0.0054 µg/L No EPA limit set | 2/8 | UCMR-5 |
| Lead | 0.0050 mg/L 33% of the EPA limit 0.0150 mg/L | 8/8 | LCR |
| PFBS | 0.0043 µg/L No EPA limit set | 3/8 | UCMR-5 |
Water suppliers serving Ridgefield
| Supplier | Population served |
|---|---|
| AQUARION-EASTERN FAIRFIELD COUNTY | 351,756 |
| DANBURY WATER DEPARTMENT | 62,055 |
| AQUARION-RIDGEFIELD | 7,476 |
| AQUARION-RIDGEFIELD KNOLLS | 958 |
| AQUARION-SCODON | 130 |
| AQUARION-BARNUM | 120 |
| AQUARION-MCKEON | 67 |
| BROOKVIEW WATER COMPANY | 55 |
Frequently asked questions about Ridgefield tap water
Is Ridgefield tap water safe to drink?
EPA testing detected 35 contaminants in the water serving Ridgefield. 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 Ridgefield?
8 public water suppliers report drinking-water monitoring for Ridgefield, Connecticut to the EPA. Each is listed above with its population served.
What contaminants are in Ridgefield's water?
The contaminants EPA monitoring detected in Ridgefield include Nitrate, Nitrate-Nitrite, Copper, Fluoride, 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.