What was found in ZIP 46181
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 |
|---|---|---|---|
| Nitrate | 200 µg/L 2% of the EPA limit 10000 µg/L Main supplier: BROWN COUNTY WATER UTILITY · 15,368 people · 2017
Highest in the ZIP: 2200 µg/L — PRINCES LAKE WATER DEPARTMENT · 4,095 people · 2017 | 2/2 | SYR4 |
| Nitrate-Nitrite | 198 µg/L 2% of the EPA limit 10000 µg/L Main supplier: BROWN COUNTY WATER UTILITY · 15,368 people · 2019
Highest in the ZIP: 1473.5 µg/L — PRINCES LAKE WATER DEPARTMENT · 4,095 people · 2019 | 2/2 | SYR4 |
| Fluoride | 790 µg/L 20% of the EPA limit 4000 µg/L Main supplier: BROWN COUNTY WATER UTILITY · 15,368 people · 2017 | 2/2 | SYR4 |
| Copper | 195.45 µg/L 15% of the EPA limit 1300 µg/L Main supplier: BROWN COUNTY WATER UTILITY · 15,368 people · 2017
Highest in the ZIP: 408.95 µg/L — PRINCES LAKE WATER DEPARTMENT · 4,095 people · 2017 | 2/2 | SYR4 |
| Lithium | 185 µg/L No EPA limit set Main supplier: BROWN COUNTY WATER UTILITY · 15,368 people · 2024 | 1/2 | UCMR-5 |
| Barium | 65.26 µg/L 3.3% of the EPA limit 2000 µg/L Main supplier: BROWN COUNTY WATER UTILITY · 15,368 people · 2017
Highest in the ZIP: 77.575 µg/L — PRINCES LAKE WATER DEPARTMENT · 4,095 people · 2017 | 2/2 | SYR4 |
| TTHM | 48.05 µg/L 60% of the EPA limit 80 µg/L Main supplier: BROWN COUNTY WATER UTILITY · 15,368 people · 2019 | 2/2 | SYR4 |
| Total Haloacetic Acids (HAA5) | 23.025 µg/L 38% of the EPA limit 60 µg/L Main supplier: BROWN COUNTY WATER UTILITY · 15,368 people · 2019 | 2/2 | SYR4 |
| Lead | 3.24 µg/L 22% of the EPA limit 15 µg/L Main supplier: BROWN COUNTY WATER UTILITY · 15,368 people · 2017
Highest in the ZIP: 19.07 µg/L — PRINCES LAKE WATER DEPARTMENT · 4,095 people · 2017 | 2/2 | SYR4 |
| Arsenic | 4.88 µg/L 49% of the EPA limit 10 µg/L Main supplier: BROWN COUNTY WATER UTILITY · 15,368 people · 2017 | 2/2 | SYR4 |
| Combined Radium (-226 And -228) | 1.5 pCi/L 30% of the EPA limit 5 pCi/L Main supplier: BROWN COUNTY WATER UTILITY · 15,368 people · 2019 | 1/2 | SYR4 |
| Gross Beta Particle Activity | 1.4 pCi/L No EPA limit set Main supplier: BROWN COUNTY WATER UTILITY · 15,368 people · 2019 | 1/2 | SYR4 |
| Gross Alpha, Excl. Radon And U | 0.4700 pCi/L 3.1% of the EPA limit 15 pCi/L Main supplier: BROWN COUNTY WATER UTILITY · 15,368 people · 2019
Highest in the ZIP: 0.5770 pCi/L — PRINCES LAKE WATER DEPARTMENT · 4,095 people · 2015 | 2/2 | SYR4 |
| PFOA | 0.0129 µg/L No EPA limit set Main supplier: BROWN COUNTY WATER UTILITY · 15,368 people · 2024 | 1/2 | UCMR-5 |
| PFOS | 0.0105 µg/L No EPA limit set Main supplier: BROWN COUNTY WATER UTILITY · 15,368 people · 2024 | 1/2 | UCMR-5 |
| Pfpea | 0.0035 µg/L No EPA limit set Main supplier: BROWN COUNTY WATER UTILITY · 15,368 people · 2024 | 1/2 | UCMR-5 |
| PFBS | 0.0031 µg/L No EPA limit set Main supplier: BROWN COUNTY WATER UTILITY · 15,368 people · 2024 | 1/2 | UCMR-5 |
| Pfhpa | 0.0030 µg/L No EPA limit set Main supplier: BROWN COUNTY WATER UTILITY · 15,368 people · 2024 | 1/2 | UCMR-5 |
| Lead | 0.0026 mg/L 17% of the EPA limit 0.0150 mg/L Main supplier: BROWN COUNTY WATER UTILITY · 15,368 people · 2025 | 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.
Water suppliers serving ZIP 46181
| Supplier | State | Population served |
|---|---|---|
| BROWN COUNTY WATER UTILITY | IN | 15,368 |
| PRINCES LAKE WATER DEPARTMENT | IN | 4,095 |
Frequently asked questions about ZIP 46181 tap water
Is the tap water in ZIP 46181 safe to drink?
EPA testing detected 19 contaminants across the water suppliers serving ZIP 46181. 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 46181?
2 public water suppliers report EPA drinking-water monitoring for ZIP 46181. Each is listed above with its population served.
What contaminants are in ZIP 46181's water?
EPA monitoring detected Nitrate, Nitrate-Nitrite, Fluoride, Copper, Lithium, and others across this ZIP's suppliers. The full list with levels and sources is above.