What was found in West Dundee'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 |
|---|---|---|---|
| Barium | 15550 µg/L 778% of the EPA limit, at the 95th percentile of samples — 2000 µg/L Main supplier: WEST DUNDEE · 7,845 people · 2019 | 1/1 | SYR4 |
| Fluoride | 1062.3 µg/L 27% of the EPA limit 4000 µg/L Main supplier: WEST DUNDEE · 7,845 people · 2018 | 1/1 | SYR4 |
| Copper | 298.7 µg/L 23% of the EPA limit 1300 µg/L Main supplier: WEST DUNDEE · 7,845 people · 2018 | 1/1 | SYR4 |
| TTHM | 71.1 µg/L 89% of the EPA limit 80 µg/L Main supplier: WEST DUNDEE · 7,845 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 59.6 µg/L 99% of the EPA limit 60 µg/L Main supplier: WEST DUNDEE · 7,845 people · 2019 | 1/1 | SYR4 |
| Chloroform | 57.125 µg/L No EPA limit set Main supplier: WEST DUNDEE · 7,845 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 30.2 µg/L No EPA limit set Main supplier: WEST DUNDEE · 7,845 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 29.3 µg/L No EPA limit set Main supplier: WEST DUNDEE · 7,845 people · 2019 | 1/1 | SYR4 |
| Combined Radium (-226 And -228) | 12.874 pCi/L 257% of the EPA limit, at the 95th percentile of samples — 5 pCi/L Main supplier: WEST DUNDEE · 7,845 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 12.495 µg/L No EPA limit set Main supplier: WEST DUNDEE · 7,845 people · 2019 | 1/1 | SYR4 |
| Lead | 9.6985 µg/L 65% of the EPA limit 15 µg/L Main supplier: WEST DUNDEE · 7,845 people · 2018 | 1/1 | SYR4 |
| Monochloroacetic Acid | 5.555 µg/L No EPA limit set Main supplier: WEST DUNDEE · 7,845 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 3.15 µg/L No EPA limit set Main supplier: WEST DUNDEE · 7,845 people · 2019 | 1/1 | SYR4 |
| Monobromoacetic Acid | 2.0956 µg/L No EPA limit set Main supplier: WEST DUNDEE · 7,845 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 1.372 µg/L No EPA limit set Main supplier: WEST DUNDEE · 7,845 people · 2019 | 1/1 | SYR4 |
| Bromoform | 1.039 µg/L No EPA limit set Main supplier: WEST DUNDEE · 7,845 people · 2019 | 1/1 | SYR4 |
| Dalapon | 0.9980 µg/L 0.5% of the EPA limit 200 µg/L Main supplier: WEST DUNDEE · 7,845 people · 2019 | 1/1 | SYR4 |
| Mercury | 0.1400 µg/L 7% of the EPA limit 2 µg/L Main supplier: WEST DUNDEE · 7,845 people · 2018 | 1/1 | SYR4 |
| Lead | 0.0080 mg/L 53% of the EPA limit 0.0150 mg/L Main supplier: WEST DUNDEE · 7,845 people · 2025 | 1/1 | LCR |
Water suppliers serving West Dundee
| Supplier | Population served |
|---|---|
| WEST DUNDEE | 7,845 |
Frequently asked questions about West Dundee tap water
Is West Dundee tap water safe to drink?
EPA testing detected 19 contaminants in the water serving West Dundee. 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 West Dundee?
1 public water supplier report drinking-water monitoring for West Dundee, Illinois to the EPA. Each is listed above with its population served.
What contaminants are in West Dundee's water?
The contaminants EPA monitoring detected in West Dundee include Barium, Fluoride, Copper, TTHM, Total Haloacetic Acids (HAA5). 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.