What was found in Fitchburg'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 | 1800 µg/L 18% of the EPA limit 10000 µg/L Main supplier: FITCHBURG UTILITY DIST 1 · 24,500 people · 2019
Highest in the city: 5300 µg/L — FITCHBURG UTILITY DIST 1 SOUTH · 350 people · 2019 | 2/4 | SYR4 |
| Nitrate-Nitrite | 4976 µg/L 50% of the EPA limit 10000 µg/L Highest in the city: FITCHBURG UTILITY DIST 1 SOUTH · 350 people · 2017 | 1/4 | SYR4 |
| Fluoride | 1101.5 µg/L 28% of the EPA limit 4000 µg/L Main supplier: FITCHBURG UTILITY DIST 1 · 24,500 people · 2019
Highest in the city: 1224.5 µg/L — FITCHBURG UTILITY DIST 1 SOUTH · 350 people · 2019 | 2/4 | SYR4 |
| Copper | 371 µg/L 29% of the EPA limit 1300 µg/L Main supplier: FITCHBURG UTILITY DIST 1 · 24,500 people · 2017 | 4/4 | SYR4 |
| Barium | 17.76 µg/L 0.9% of the EPA limit 2000 µg/L Main supplier: FITCHBURG UTILITY DIST 1 · 24,500 people · 2017
Highest in the city: 60.35 µg/L — FITCHBURG UTILITY DIST 1 SOUTH · 350 people · 2017 | 2/4 | SYR4 |
| TTHM | 6.52 µg/L 8.1% of the EPA limit 80 µg/L Main supplier: FITCHBURG UTILITY DIST 1 · 24,500 people · 2019
Highest in the city: 10.8225 µg/L — FITCHBURG UTILITY DIST 1 SOUTH · 350 people · 2019 | 4/4 | SYR4 |
| Lead | 6.156 µg/L 41% of the EPA limit 15 µg/L Main supplier: FITCHBURG UTILITY DIST 1 · 24,500 people · 2017
Highest in the city: 7.553 µg/L — RIMROCK ROAD NEIGHBORHOOD · 135 people · 2017 | 4/4 | SYR4 |
| Gross Alpha, Excl. Radon And U | 6.032 pCi/L 40% of the EPA limit 15 pCi/L Main supplier: FITCHBURG UTILITY DIST 1 · 24,500 people · 2014 | 2/4 | SYR4 |
| Chloroform | 3.45 µg/L No EPA limit set Main supplier: FITCHBURG UTILITY DIST 1 · 24,500 people · 2019
Highest in the city: 4.85 µg/L — FITCHBURG UTILITY DIST 1 SOUTH · 350 people · 2019 | 4/4 | SYR4 |
| Gross Beta Particle Activity | 3.79 pCi/L No EPA limit set Main supplier: FITCHBURG UTILITY DIST 1 · 24,500 people · 2014 | 1/4 | SYR4 |
| Total Haloacetic Acids (HAA5) | 2.9645 µg/L 4.9% of the EPA limit 60 µg/L Main supplier: FITCHBURG UTILITY DIST 1 · 24,500 people · 2019
Highest in the city: 3.6125 µg/L — FITCHBURG UTILITY DIST 1 SOUTH · 350 people · 2019 | 4/4 | SYR4 |
| Bromodichloromethane | 2.065 µg/L No EPA limit set Main supplier: FITCHBURG UTILITY DIST 1 · 24,500 people · 2019
Highest in the city: 3.45 µg/L — FITCHBURG UTILITY DIST 1 SOUTH · 350 people · 2019 | 4/4 | SYR4 |
| Combined Radium (-226 And -228) | 2.299 pCi/L 46% of the EPA limit 5 pCi/L Main supplier: FITCHBURG UTILITY DIST 1 · 24,500 people · 2014 | 2/4 | SYR4 |
| Dibromochloromethane | 1.385 µg/L No EPA limit set Main supplier: FITCHBURG UTILITY DIST 1 · 24,500 people · 2019
Highest in the city: 2.22 µg/L — FITCHBURG UTILITY DIST 1 SOUTH · 350 people · 2019 | 3/4 | SYR4 |
| Dichloroacetic Acid | 1.94 µg/L No EPA limit set Main supplier: FITCHBURG UTILITY DIST 1 · 24,500 people · 2019
Highest in the city: 2.15 µg/L — FITCHBURG UTILITY DIST 1 SOUTH · 350 people · 2019 | 4/4 | SYR4 |
| Chromium | 1.87 µg/L 1.9% of the EPA limit 100 µg/L Highest in the city: FITCHBURG UTILITY DIST 1 SOUTH · 350 people · 2017 | 1/4 | SYR4 |
| Dibromoacetic Acid | 0.7180 µg/L No EPA limit set Main supplier: FITCHBURG UTILITY DIST 1 · 24,500 people · 2019
Highest in the city: 0.9850 µg/L — FITCHBURG UTILITY DIST 1 SOUTH · 350 people · 2019 | 4/4 | SYR4 |
| Trichloroethylene | 0.9670 µg/L 19% of the EPA limit 5 µg/L Main supplier: FITCHBURG UTILITY DIST 1 · 24,500 people · 2019 | 1/4 | SYR4 |
| Bromoform | 0.9300 µg/L No EPA limit set Highest in the city: FITCHBURG UTILITY DIST 1 SOUTH · 350 people · 2019 | 2/4 | SYR4 |
| Trichloroacetic Acid | 0.5585 µg/L No EPA limit set Main supplier: FITCHBURG UTILITY DIST 1 · 24,500 people · 2019 | 2/4 | SYR4 |
| Monobromoacetic Acid | 0.3100 µg/L No EPA limit set Highest in the city: FITCHBURG UTILITY DIST 1 SOUTH · 350 people · 2019 | 1/4 | SYR4 |
| Lead | 0.0023 mg/L 15% of the EPA limit 0.0150 mg/L Main supplier: FITCHBURG UTILITY DIST 1 · 24,500 people · 2023
Highest in the city: 0.0052 mg/L — FITCHBURG UTILITY DIST 1 SOUTH · 350 people · 2023 | 4/4 | 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 Fitchburg
| Supplier | Population served |
|---|---|
| FITCHBURG UTILITY DIST 1 | 24,500 |
| FITCHBURG UTILITY DIST 1 SOUTH | 350 |
| DANVILLE DRIVE SERVICE AREA | 150 |
| RIMROCK ROAD NEIGHBORHOOD | 135 |
Frequently asked questions about Fitchburg tap water
Is Fitchburg tap water safe to drink?
EPA testing detected 22 contaminants in the water serving Fitchburg. 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 Fitchburg?
4 public water suppliers report drinking-water monitoring for Fitchburg, Wisconsin to the EPA. Each is listed above with its population served.
What contaminants are in Fitchburg's water?
The contaminants EPA monitoring detected in Fitchburg include Nitrate, Nitrate-Nitrite, Fluoride, Copper, 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.