What was found in ZIP 46725
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 | 938.7 µg/L 23% of the EPA limit 4000 µg/L Main supplier: COLUMBIA CITY WATER DEPARTMENT · 9,892 people · 2018 | 1/1 | SYR4 |
| Nitrate | 660 µg/L 6.6% of the EPA limit 10000 µg/L Main supplier: COLUMBIA CITY WATER DEPARTMENT · 9,892 people · 2019 | 1/1 | SYR4 |
| Copper | 178.8 µg/L 14% of the EPA limit 1300 µg/L Main supplier: COLUMBIA CITY WATER DEPARTMENT · 9,892 people · 2019 | 1/1 | SYR4 |
| Barium | 168 µg/L 8.4% of the EPA limit 2000 µg/L Main supplier: COLUMBIA CITY WATER DEPARTMENT · 9,892 people · 2018 | 1/1 | SYR4 |
| TTHM | 55.82 µg/L 70% of the EPA limit 80 µg/L Main supplier: COLUMBIA CITY WATER DEPARTMENT · 9,892 people · 2019 | 1/1 | SYR4 |
| Lead | 38.18 µg/L 255% of the EPA limit, at the 95th percentile of samples — 15 µg/L Main supplier: COLUMBIA CITY WATER DEPARTMENT · 9,892 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 16.395 µg/L 27% of the EPA limit 60 µg/L Main supplier: COLUMBIA CITY WATER DEPARTMENT · 9,892 people · 2019 | 1/1 | SYR4 |
| Lithium | 12 µg/L No EPA limit set Main supplier: COLUMBIA CITY WATER DEPARTMENT · 9,892 people · 2025 | 1/1 | UCMR-5 |
| Arsenic | 2.365 µg/L 24% of the EPA limit 10 µg/L Main supplier: COLUMBIA CITY WATER DEPARTMENT · 9,892 people · 2018 | 1/1 | SYR4 |
| Lead | 0.0140 mg/L 93% of the EPA limit 0.0150 mg/L Main supplier: COLUMBIA CITY WATER DEPARTMENT · 9,892 people · 2025 | 1/1 | 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.
Water suppliers serving ZIP 46725
| Supplier | State | Population served |
|---|---|---|
| COLUMBIA CITY WATER DEPARTMENT | IN | 9,892 |
Frequently asked questions about ZIP 46725 tap water
Is the tap water in ZIP 46725 safe to drink?
EPA testing detected 10 contaminants across the water suppliers serving ZIP 46725. 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 46725?
1 public water supplier report EPA drinking-water monitoring for ZIP 46725. Each is listed above with its population served.
What contaminants are in ZIP 46725's water?
EPA monitoring detected Fluoride, Nitrate, Copper, Barium, TTHM, and others across this ZIP's suppliers. The full list with levels and sources is above.