What was found in Walkerton'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 |
|---|---|---|---|
| Nitrate | 1100 µg/L 11% of the EPA limit 10000 µg/L Main supplier: WALKERTON LIGHT & WATER · 2,262 people · 2019 | 1/2 | SYR4 |
| Nitrate-Nitrite | 1080 µg/L 11% of the EPA limit 10000 µg/L Main supplier: WALKERTON LIGHT & WATER · 2,262 people · 2017 | 1/2 | SYR4 |
| Copper | 126.5 µg/L 9.7% of the EPA limit 1300 µg/L Main supplier: WALKERTON LIGHT & WATER · 2,262 people · 2018 | 1/2 | SYR4 |
| Fluoride | 100 µg/L 2.5% of the EPA limit 4000 µg/L Main supplier: WALKERTON LIGHT & WATER · 2,262 people · 2017 | 1/2 | SYR4 |
| Barium | 66.55 µg/L 3.3% of the EPA limit 2000 µg/L Main supplier: WALKERTON LIGHT & WATER · 2,262 people · 2017 | 1/2 | SYR4 |
| TTHM | 30.8 µg/L 39% of the EPA limit 80 µg/L Main supplier: WALKERTON LIGHT & WATER · 2,262 people · 2019 | 1/2 | SYR4 |
| Chloroform | 5.405 µg/L No EPA limit set Main supplier: WALKERTON LIGHT & WATER · 2,262 people · 2017 | 1/2 | SYR4 |
| Bromodichloromethane | 5.09 µg/L No EPA limit set Main supplier: WALKERTON LIGHT & WATER · 2,262 people · 2017 | 1/2 | SYR4 |
| Total Haloacetic Acids (HAA5) | 4.82 µg/L 8% of the EPA limit 60 µg/L Main supplier: WALKERTON LIGHT & WATER · 2,262 people · 2019 | 1/2 | SYR4 |
| Arsenic | 4.1 µg/L 41% of the EPA limit 10 µg/L Highest in the city: HOLSTON RENTALS · 60 people · 2018 | 1/2 | SYR4 |
| Dibromochloromethane | 3.195 µg/L No EPA limit set Main supplier: WALKERTON LIGHT & WATER · 2,262 people · 2017 | 1/2 | SYR4 |
| Lead | 2.86 µg/L 19% of the EPA limit 15 µg/L Main supplier: WALKERTON LIGHT & WATER · 2,262 people · 2018 | 1/2 | SYR4 |
| Gross Alpha, Excl. Radon And U | 1.3 pCi/L 8.7% of the EPA limit 15 pCi/L Main supplier: WALKERTON LIGHT & WATER · 2,262 people · 2019
Highest in the city: 1.5 pCi/L — HOLSTON RENTALS · 60 people · 2019 | 2/2 | SYR4 |
| Bromoform | 1.1 µg/L No EPA limit set Main supplier: WALKERTON LIGHT & WATER · 2,262 people · 2017 | 1/2 | SYR4 |
| Chromium | 0.9000 µg/L 0.9% of the EPA limit 100 µg/L Main supplier: WALKERTON LIGHT & WATER · 2,262 people · 2017 | 1/2 | SYR4 |
| Lead | 0.0082 mg/L 55% of the EPA limit 0.0150 mg/L Main supplier: WALKERTON LIGHT & WATER · 2,262 people · 2024 | 2/2 | LCR |
Water suppliers serving Walkerton
| Supplier | Population served |
|---|---|
| WALKERTON LIGHT & WATER | 2,262 |
| HOLSTON RENTALS | 60 |
Frequently asked questions about Walkerton tap water
Is Walkerton tap water safe to drink?
EPA testing detected 16 contaminants in the water serving Walkerton. 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 Walkerton?
2 public water suppliers report drinking-water monitoring for Walkerton, Indiana to the EPA. Each is listed above with its population served.
What contaminants are in Walkerton's water?
The contaminants EPA monitoring detected in Walkerton include Nitrate, Nitrate-Nitrite, Copper, Fluoride, Barium. 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.