What was found in Aurora'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-Nitrite | 10300 µg/L 103% of the EPA limit, at the 95th percentile of samples — 10000 µg/L Main supplier: AURORA, CITY OF · 4,678 people · 2019 | 1/1 | SYR4 |
| Copper | 1500 µg/L 115% of the EPA limit, at the 95th percentile of samples — 1300 µg/L Main supplier: AURORA, CITY OF · 4,678 people · 2019 | 1/1 | SYR4 |
| Fluoride | 457 µg/L 11% of the EPA limit 4000 µg/L Main supplier: AURORA, CITY OF · 4,678 people · 2019 | 1/1 | SYR4 |
| Barium | 220 µg/L 11% of the EPA limit 2000 µg/L Main supplier: AURORA, CITY OF · 4,678 people · 2019 | 1/1 | SYR4 |
| Lithium | 16 µg/L No EPA limit set Main supplier: AURORA, CITY OF · 4,678 people · 2023 | 1/1 | UCMR-5 |
| Selenium | 13.34 µg/L 27% of the EPA limit 50 µg/L Main supplier: AURORA, CITY OF · 4,678 people · 2019 | 1/1 | SYR4 |
| Combined Uranium | 12.522 µg/L 42% of the EPA limit 30 µg/L Main supplier: AURORA, CITY OF · 4,678 people · 2019 | 1/1 | SYR4 |
| Chromium | 10.0825 µg/L 10% of the EPA limit 100 µg/L Main supplier: AURORA, CITY OF · 4,678 people · 2019 | 1/1 | SYR4 |
| Tetrachloroethylene | 8.838 µg/L 177% of the EPA limit, at the 95th percentile of samples — 5 µg/L Main supplier: AURORA, CITY OF · 4,678 people · 2019 | 1/1 | SYR4 |
| Arsenic | 7.47 µg/L 75% of the EPA limit 10 µg/L Main supplier: AURORA, CITY OF · 4,678 people · 2019 | 1/1 | SYR4 |
| Gross Alpha, Excl. Radon And U | 6.555 pCi/L 44% of the EPA limit 15 pCi/L Main supplier: AURORA, CITY OF · 4,678 people · 2019 | 1/1 | SYR4 |
| Lead | 3.1715 µg/L 21% of the EPA limit 15 µg/L Main supplier: AURORA, CITY OF · 4,678 people · 2019 | 1/1 | SYR4 |
| TTHM | 2.76 µg/L 3.5% of the EPA limit 80 µg/L Main supplier: AURORA, CITY OF · 4,678 people · 2019 | 1/1 | SYR4 |
| Bromoform | 1.88 µg/L No EPA limit set Main supplier: AURORA, CITY OF · 4,678 people · 2019 | 1/1 | SYR4 |
| Combined Radium (-226 And -228) | 1.72 pCi/L 34% of the EPA limit 5 pCi/L Main supplier: AURORA, CITY OF · 4,678 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 0.8800 µg/L No EPA limit set Main supplier: AURORA, CITY OF · 4,678 people · 2019 | 1/1 | SYR4 |
| Atrazine | 0.0900 µg/L 3% of the EPA limit 3 µg/L Main supplier: AURORA, CITY OF · 4,678 people · 2019 | 1/1 | SYR4 |
| Lead | 0.0043 mg/L 29% of the EPA limit 0.0150 mg/L Main supplier: AURORA, CITY OF · 4,678 people · 2025 | 1/1 | LCR |
Water suppliers serving Aurora
| Supplier | Population served |
|---|---|
| AURORA, CITY OF | 4,678 |
Frequently asked questions about Aurora tap water
Is Aurora tap water safe to drink?
EPA testing detected 18 contaminants in the water serving Aurora. 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 Aurora?
1 public water supplier report drinking-water monitoring for Aurora, Nebraska to the EPA. Each is listed above with its population served.
What contaminants are in Aurora's water?
The contaminants EPA monitoring detected in Aurora include Nitrate-Nitrite, Copper, Fluoride, Barium, Lithium. 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.