What was found in Manitowoc'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 |
|---|---|---|---|
| Copper | 1760 µg/L 135% of the EPA limit, in the worst sample — 1300 µg/L | 3/3 | SYR4 |
| Nitrate-Nitrite | 1700 µg/L 17% of the EPA limit 10000 µg/L | 3/3 | SYR4 |
| Nitrate | 1600 µg/L 16% of the EPA limit 10000 µg/L | 3/3 | SYR4 |
| Fluoride | 790 µg/L 20% of the EPA limit 4000 µg/L | 3/3 | SYR4 |
| Barium | 140 µg/L 7% of the EPA limit 2000 µg/L | 2/3 | SYR4 |
| TTHM | 52.6 µg/L 66% of the EPA limit 80 µg/L | 1/3 | SYR4 |
| Lead | 49 µg/L 327% of the EPA limit, in the worst sample — 15 µg/L | 3/3 | SYR4 |
| Chloroform | 36 µg/L No EPA limit set | 1/3 | SYR4 |
| Total Haloacetic Acids (HAA5) | 34.28 µg/L 57% of the EPA limit 60 µg/L | 1/3 | SYR4 |
| Monochloroacetic Acid | 23 µg/L No EPA limit set | 1/3 | SYR4 |
| Bromodichloromethane | 18.6 µg/L No EPA limit set | 1/3 | SYR4 |
| Trichloroacetic Acid | 17 µg/L No EPA limit set | 1/3 | SYR4 |
| Dichloroacetic Acid | 15 µg/L No EPA limit set | 1/3 | SYR4 |
| Dibromochloromethane | 6.7 µg/L No EPA limit set | 1/3 | SYR4 |
| Monobromoacetic Acid | 5.78 µg/L No EPA limit set | 1/3 | SYR4 |
| Combined Radium (-226 And -228) | 3.405 pCi/L 68% of the EPA limit 5 pCi/L | 2/3 | SYR4 |
| Gross Alpha, Excl. Radon And U | 2.53 pCi/L 17% of the EPA limit 15 pCi/L | 2/3 | SYR4 |
| Dibromoacetic Acid | 2.36 µg/L No EPA limit set | 1/3 | SYR4 |
| Bromoform | 2.05 µg/L No EPA limit set | 1/3 | SYR4 |
| Arsenic | 1.9 µg/L 19% of the EPA limit 10 µg/L | 2/3 | SYR4 |
| Tetrachloroethylene | 1.53 µg/L 31% of the EPA limit 5 µg/L | 1/3 | SYR4 |
| Dichloromethane | 1.5 µg/L 30% of the EPA limit 5 µg/L | 1/3 | SYR4 |
| Xylenes, Total | 1.3 µg/L 0% of the EPA limit 10000 µg/L | 1/3 | SYR4 |
| Chromium | 0.8490 µg/L 0.8% of the EPA limit 100 µg/L | 3/3 | SYR4 |
| Trichloroethylene | 0.7650 µg/L 15% of the EPA limit 5 µg/L | 1/3 | SYR4 |
| Thallium, Total | 0.5620 µg/L 28% of the EPA limit 2 µg/L | 1/3 | SYR4 |
| Combined Uranium | 0.4590 µg/L 1.5% of the EPA limit 30 µg/L | 1/3 | SYR4 |
| Cadmium | 0.1100 µg/L 2.2% of the EPA limit 5 µg/L | 2/3 | SYR4 |
| Mercury | 0.1000 µg/L 5% of the EPA limit 2 µg/L | 1/3 | SYR4 |
| Lead | 0.0077 mg/L 51% of the EPA limit 0.0150 mg/L | 3/3 | LCR |
Water suppliers serving Manitowoc
| Supplier | Population served |
|---|---|
| MANITOWOC WATERWORKS | 34,500 |
| HOLY FAMILY CONVENT | 195 |
| CHIARA CONVENT | 40 |
Frequently asked questions about Manitowoc tap water
Is Manitowoc tap water safe to drink?
EPA testing detected 30 contaminants in the water serving Manitowoc. 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 Manitowoc?
3 public water suppliers report drinking-water monitoring for Manitowoc, Wisconsin to the EPA. Each is listed above with its population served.
What contaminants are in Manitowoc's water?
The contaminants EPA monitoring detected in Manitowoc include Copper, Nitrate-Nitrite, Nitrate, Fluoride, Barium. 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.