What was found in Ilion'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 | 1200 µg/L 12% of the EPA limit 10000 µg/L Main supplier: ILION (V) WATER WORKS · 8,053 people · 2019 | 1/1 | SYR4 |
| Nitrate-Nitrite | 1190 µg/L 12% of the EPA limit 10000 µg/L Main supplier: ILION (V) WATER WORKS · 8,053 people · 2015 | 1/1 | SYR4 |
| Barium | 867.5 µg/L 43% of the EPA limit 2000 µg/L Main supplier: ILION (V) WATER WORKS · 8,053 people · 2019 | 1/1 | SYR4 |
| Fluoride | 255 µg/L 6.4% of the EPA limit 4000 µg/L Main supplier: ILION (V) WATER WORKS · 8,053 people · 2019 | 1/1 | SYR4 |
| TTHM | 92.24 µg/L 115% of the EPA limit, at the 95th percentile of samples — 80 µg/L Main supplier: ILION (V) WATER WORKS · 8,053 people · 2019 | 1/1 | SYR4 |
| Chloroform | 64.6 µg/L No EPA limit set Main supplier: ILION (V) WATER WORKS · 8,053 people · 2013 | 1/1 | SYR4 |
| Lithium | 61.2 µg/L No EPA limit set Main supplier: ILION (V) WATER WORKS · 8,053 people · 2025 | 1/1 | UCMR-5 |
| Total Haloacetic Acids (HAA5) | 42.8 µg/L 71% of the EPA limit 60 µg/L Main supplier: ILION (V) WATER WORKS · 8,053 people · 2019 | 1/1 | SYR4 |
| Copper | 30.7 µg/L 2.4% of the EPA limit 1300 µg/L Main supplier: ILION (V) WATER WORKS · 8,053 people · 2016 | 1/1 | SYR4 |
| Dichloroacetic Acid | 23.3 µg/L No EPA limit set Main supplier: ILION (V) WATER WORKS · 8,053 people · 2013 | 1/1 | SYR4 |
| Chromium | 22.815 µg/L 23% of the EPA limit 100 µg/L Main supplier: ILION (V) WATER WORKS · 8,053 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 11.83 µg/L No EPA limit set Main supplier: ILION (V) WATER WORKS · 8,053 people · 2013 | 1/1 | SYR4 |
| Bromodichloromethane | 9.28 µg/L No EPA limit set Main supplier: ILION (V) WATER WORKS · 8,053 people · 2013 | 1/1 | SYR4 |
| Di(2-ethylhexyl) Phthalate | 3.595 µg/L 60% of the EPA limit 6 µg/L Main supplier: ILION (V) WATER WORKS · 8,053 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 1.925 µg/L No EPA limit set Main supplier: ILION (V) WATER WORKS · 8,053 people · 2013 | 1/1 | SYR4 |
| Selenium | 1.19 µg/L 2.4% of the EPA limit 50 µg/L Main supplier: ILION (V) WATER WORKS · 8,053 people · 2019 | 1/1 | SYR4 |
| Combined Radium (-226 And -228) | 1.18 pCi/L 24% of the EPA limit 5 pCi/L Main supplier: ILION (V) WATER WORKS · 8,053 people · 2018 | 1/1 | SYR4 |
| Arsenic | 1.1 µg/L 11% of the EPA limit 10 µg/L Main supplier: ILION (V) WATER WORKS · 8,053 people · 2019 | 1/1 | SYR4 |
| Combined Uranium | 0.2480 µg/L 0.8% of the EPA limit 30 µg/L Main supplier: ILION (V) WATER WORKS · 8,053 people · 2018 | 1/1 | SYR4 |
| Lead | 0.0360 mg/L 240% above the EPA limit of 0.0150 mg/L Main supplier: ILION (V) WATER WORKS · 8,053 people · 2020 | 1/1 | LCR |
Water suppliers serving Ilion
| Supplier | Population served |
|---|---|
| ILION (V) WATER WORKS | 8,053 |
Frequently asked questions about Ilion tap water
Is Ilion tap water safe to drink?
EPA testing detected 20 contaminants in the water serving Ilion. 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 Ilion?
1 public water supplier report drinking-water monitoring for Ilion, New York to the EPA. Each is listed above with its population served.
What contaminants are in Ilion's water?
The contaminants EPA monitoring detected in Ilion include Nitrate, Nitrate-Nitrite, Barium, Fluoride, TTHM. 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.