What was found in ZIP 55906
The level at this ZIP's main supplier, the highest level anywhere in it, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Fluoride | 1240 µg/L 31% of the EPA limit 4000 µg/L Main supplier: Rochester · 123,624 people · 2019 | 1/1 | SYR4 |
| Copper | 971.2 µg/L 75% of the EPA limit 1300 µg/L Main supplier: Rochester · 123,624 people · 2019 | 1/1 | SYR4 |
| Nitrate-Nitrite | 710 µg/L 7.1% of the EPA limit 10000 µg/L Main supplier: Rochester · 123,624 people · 2019 | 1/1 | SYR4 |
| Cyanide | 120 µg/L 60% of the EPA limit 200 µg/L Main supplier: Rochester · 123,624 people · 2019 | 1/1 | SYR4 |
| Barium | 88.25 µg/L 4.4% of the EPA limit 2000 µg/L Main supplier: Rochester · 123,624 people · 2019 | 1/1 | SYR4 |
| Lithium | 10.8 µg/L No EPA limit set Main supplier: Rochester · 123,624 people · 2024 | 1/1 | UCMR-5 |
| Gross Alpha, Excl. Radon And U | 9.52 pCi/L 63% of the EPA limit 15 pCi/L Main supplier: Rochester · 123,624 people · 2019 | 1/1 | SYR4 |
| Chloroform | 9.18 µg/L No EPA limit set Main supplier: Rochester · 123,624 people · 2019 | 1/1 | SYR4 |
| Lead | 9.165 µg/L 61% of the EPA limit 15 µg/L Main supplier: Rochester · 123,624 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 3.97 µg/L No EPA limit set Main supplier: Rochester · 123,624 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 3.455 µg/L No EPA limit set Main supplier: Rochester · 123,624 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 2.2 µg/L No EPA limit set Main supplier: Rochester · 123,624 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 1.8 µg/L No EPA limit set Main supplier: Rochester · 123,624 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 1 µg/L No EPA limit set Main supplier: Rochester · 123,624 people · 2019 | 1/1 | SYR4 |
| Tetrachloroethylene | 0.8300 µg/L 17% of the EPA limit 5 µg/L Main supplier: Rochester · 123,624 people · 2019 | 1/1 | SYR4 |
| Trichloroethylene | 0.4340 µg/L 8.7% of the EPA limit 5 µg/L Main supplier: Rochester · 123,624 people · 2019 | 1/1 | SYR4 |
| Chromium | 0.3140 µg/L 0.3% of the EPA limit 100 µg/L Main supplier: Rochester · 123,624 people · 2019 | 1/1 | SYR4 |
| Toluene | 0.2400 µg/L 0% of the EPA limit 1000 µg/L Main supplier: Rochester · 123,624 people · 2019 | 1/1 | SYR4 |
| Lead | 0.0070 mg/L 47% of the EPA limit 0.0150 mg/L Main supplier: Rochester · 123,624 people · 2025 | 1/1 | LCR |
| PFHXS | 0.0039 µg/L No EPA limit set Main supplier: Rochester · 123,624 people · 2024 | 1/1 | UCMR-5 |
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.
Water suppliers serving ZIP 55906
| Supplier | State | Population served |
|---|---|---|
| Rochester | MN | 123,624 |
Frequently asked questions about ZIP 55906 tap water
Is the tap water in ZIP 55906 safe to drink?
EPA testing detected 20 contaminants across the water suppliers serving ZIP 55906. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and your utility's annual Consumer Confidence Report for the official status.
Which water suppliers serve ZIP 55906?
1 public water supplier report EPA drinking-water monitoring for ZIP 55906. Each is listed above with its population served.
What contaminants are in ZIP 55906's water?
EPA monitoring detected Fluoride, Copper, Nitrate-Nitrite, Cyanide, Barium, and others across this ZIP's suppliers. The full list with levels and sources is above.