What was found in Dundas'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 |
|---|---|---|---|
| Copper | 150.155 µg/L 12% of the EPA limit 1300 µg/L Main supplier: WEST LIBERTY-DUNDAS WATER DISTRICT · 563 people · 2019 | 1/1 | SYR4 |
| TTHM | 89.4675 µg/L 112% of the EPA limit, at the 95th percentile of samples — 80 µg/L Main supplier: WEST LIBERTY-DUNDAS WATER DISTRICT · 563 people · 2019 | 1/1 | SYR4 |
| Chloroform | 82.1105 µg/L No EPA limit set Main supplier: WEST LIBERTY-DUNDAS WATER DISTRICT · 563 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 39.32 µg/L 66% of the EPA limit 60 µg/L Main supplier: WEST LIBERTY-DUNDAS WATER DISTRICT · 563 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 22.9515 µg/L No EPA limit set Main supplier: WEST LIBERTY-DUNDAS WATER DISTRICT · 563 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 16.805 µg/L No EPA limit set Main supplier: WEST LIBERTY-DUNDAS WATER DISTRICT · 563 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 8.6525 µg/L No EPA limit set Main supplier: WEST LIBERTY-DUNDAS WATER DISTRICT · 563 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 4.22 µg/L No EPA limit set Main supplier: WEST LIBERTY-DUNDAS WATER DISTRICT · 563 people · 2019 | 1/1 | SYR4 |
| Lead | 3.188 µg/L 21% of the EPA limit 15 µg/L Main supplier: WEST LIBERTY-DUNDAS WATER DISTRICT · 563 people · 2019 | 1/1 | SYR4 |
| Monochloroacetic Acid | 2.1489 µg/L No EPA limit set Main supplier: WEST LIBERTY-DUNDAS WATER DISTRICT · 563 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 1.1 µg/L No EPA limit set Main supplier: WEST LIBERTY-DUNDAS WATER DISTRICT · 563 people · 2019 | 1/1 | SYR4 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L Main supplier: WEST LIBERTY-DUNDAS WATER DISTRICT · 563 people · 2025 | 1/1 | LCR |
Water suppliers serving Dundas
| Supplier | Population served |
|---|---|
| WEST LIBERTY-DUNDAS WATER DISTRICT | 563 |
Frequently asked questions about Dundas tap water
Is Dundas tap water safe to drink?
EPA testing detected 12 contaminants in the water serving Dundas. 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 Dundas?
1 public water supplier report drinking-water monitoring for Dundas, Illinois to the EPA. Each is listed above with its population served.
What contaminants are in Dundas's water?
The contaminants EPA monitoring detected in Dundas include Copper, TTHM, Chloroform, Total Haloacetic Acids (HAA5), Trichloroacetic Acid. 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.