What was found in Kaukauna'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 |
|---|---|---|---|
| Fluoride | 1980 µg/L 50% of the EPA limit 4000 µg/L Main supplier: KAUKAUNA UTILITIES · 17,493 people · 2017
Highest in the city: 2372 µg/L — RUEDEN RIDGE SUBDIVISION · 100 people · 2018 | 2/2 | SYR4 |
| Copper | 194.2 µg/L 15% of the EPA limit 1300 µg/L Main supplier: KAUKAUNA UTILITIES · 17,493 people · 2017
Highest in the city: 595.68 µg/L — RUEDEN RIDGE SUBDIVISION · 100 people · 2018 | 2/2 | SYR4 |
| Nitrate-Nitrite | 75 µg/L 0.8% of the EPA limit 10000 µg/L Main supplier: KAUKAUNA UTILITIES · 17,493 people · 2017 | 1/2 | SYR4 |
| Xylenes, Total | 36.52 µg/L 0.4% of the EPA limit 10000 µg/L Main supplier: KAUKAUNA UTILITIES · 17,493 people · 2019 | 1/2 | SYR4 |
| TTHM | 15.705 µg/L 20% of the EPA limit 80 µg/L Main supplier: KAUKAUNA UTILITIES · 17,493 people · 2019
Highest in the city: 26.538 µg/L — RUEDEN RIDGE SUBDIVISION · 100 people · 2019 | 2/2 | SYR4 |
| Gross Alpha, Excl. Radon And U | 14.35 pCi/L 96% of the EPA limit 15 pCi/L Main supplier: KAUKAUNA UTILITIES · 17,493 people · 2019 | 2/2 | SYR4 |
| Total Haloacetic Acids (HAA5) | 4.0765 µg/L 6.8% of the EPA limit 60 µg/L Main supplier: KAUKAUNA UTILITIES · 17,493 people · 2019
Highest in the city: 11.9161 µg/L — RUEDEN RIDGE SUBDIVISION · 100 people · 2019 | 2/2 | SYR4 |
| Lead | 10.02 µg/L 67% of the EPA limit 15 µg/L Main supplier: KAUKAUNA UTILITIES · 17,493 people · 2017 | 1/2 | SYR4 |
| Chloroform | 4.945 µg/L No EPA limit set Main supplier: KAUKAUNA UTILITIES · 17,493 people · 2019
Highest in the city: 9.9 µg/L — RUEDEN RIDGE SUBDIVISION · 100 people · 2019 | 2/2 | SYR4 |
| Combined Radium (-226 And -228) | 9.185 pCi/L 184% of the EPA limit, at the 95th percentile of samples — 5 pCi/L Main supplier: KAUKAUNA UTILITIES · 17,493 people · 2019 | 2/2 | SYR4 |
| Monochloroacetic Acid | 7.5065 µg/L No EPA limit set Highest in the city: RUEDEN RIDGE SUBDIVISION · 100 people · 2019 | 1/2 | SYR4 |
| Bromodichloromethane | 6.06 µg/L No EPA limit set Main supplier: KAUKAUNA UTILITIES · 17,493 people · 2019
Highest in the city: 7.16 µg/L — RUEDEN RIDGE SUBDIVISION · 100 people · 2019 | 2/2 | SYR4 |
| Barium | 7.1 µg/L 0.4% of the EPA limit 2000 µg/L Main supplier: KAUKAUNA UTILITIES · 17,493 people · 2017 | 1/2 | SYR4 |
| Dibromochloromethane | 4.805 µg/L No EPA limit set Main supplier: KAUKAUNA UTILITIES · 17,493 people · 2019
Highest in the city: 6.96 µg/L — RUEDEN RIDGE SUBDIVISION · 100 people · 2019 | 2/2 | SYR4 |
| Bromoform | 1.255 µg/L No EPA limit set Main supplier: KAUKAUNA UTILITIES · 17,493 people · 2019
Highest in the city: 3.92 µg/L — RUEDEN RIDGE SUBDIVISION · 100 people · 2019 | 2/2 | SYR4 |
| Dichloroacetic Acid | 2.33 µg/L No EPA limit set Main supplier: KAUKAUNA UTILITIES · 17,493 people · 2019
Highest in the city: 3.394 µg/L — RUEDEN RIDGE SUBDIVISION · 100 people · 2019 | 2/2 | SYR4 |
| Dibromoacetic Acid | 1.03 µg/L No EPA limit set Main supplier: KAUKAUNA UTILITIES · 17,493 people · 2019
Highest in the city: 3.285 µg/L — RUEDEN RIDGE SUBDIVISION · 100 people · 2019 | 2/2 | SYR4 |
| Ethylbenzene | 3.2 µg/L 0.5% of the EPA limit 700 µg/L Main supplier: KAUKAUNA UTILITIES · 17,493 people · 2019 | 1/2 | SYR4 |
| Trichloroacetic Acid | 0.6220 µg/L No EPA limit set Main supplier: KAUKAUNA UTILITIES · 17,493 people · 2019
Highest in the city: 0.7930 µg/L — RUEDEN RIDGE SUBDIVISION · 100 people · 2019 | 2/2 | SYR4 |
| Monobromoacetic Acid | 0.7900 µg/L No EPA limit set Main supplier: KAUKAUNA UTILITIES · 17,493 people · 2019 | 1/2 | SYR4 |
| Combined Uranium | 0.4180 µg/L 1.4% of the EPA limit 30 µg/L Main supplier: KAUKAUNA UTILITIES · 17,493 people · 2019
Highest in the city: 0.7285 µg/L — RUEDEN RIDGE SUBDIVISION · 100 people · 2018 | 2/2 | SYR4 |
| Lead | 0.0024 mg/L 16% of the EPA limit 0.0150 mg/L Main supplier: KAUKAUNA UTILITIES · 17,493 people · 2023 | 2/2 | LCR |
Each bar shows the measured level as a share of the EPA limit: green is
well under, amber is close to it, red is over. For lead and copper the
limit applies to exactly the 90th-percentile figure shown, so red there
means a real exceedance. For everything else the limit applies to a
running annual average while the figure is the 95th percentile of the
system's samples — over 100% is worth reading, but is not by itself a
violation.
Formal violations are listed separately.
These are the utilities' own EPA-reported results, not a city-wide
average. A detection means the lab measured the
substance — it isn't the same as exceeding a legal limit. Hover a source
tag to see the EPA program and years behind each figure.
Water suppliers serving Kaukauna
| Supplier | Population served |
|---|---|
| KAUKAUNA UTILITIES | 17,493 |
| RUEDEN RIDGE SUBDIVISION | 100 |
Frequently asked questions about Kaukauna tap water
Is Kaukauna tap water safe to drink?
EPA testing detected 22 contaminants in the water serving Kaukauna. 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 Kaukauna?
2 public water suppliers report drinking-water monitoring for Kaukauna, Wisconsin to the EPA. Each is listed above with its population served.
What contaminants are in Kaukauna's water?
The contaminants EPA monitoring detected in Kaukauna include Fluoride, Copper, Nitrate-Nitrite, Xylenes, Total, TTHM. 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.