Compliance record
Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.
| Violation | Type | Status | Period |
|---|---|---|---|
| Other | Monitoring | Unaddressed | 2025-07-01 |
| Other | Monitoring | Resolved | 2007-07-01 |
| Other | Monitoring | Resolved | 2007-07-01 |
| MR | Monitoring | Resolved | 1994-10-01 |
| MR | Monitoring | Archived | 1977-06-30 → 1981-06-29 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 75.9 µg/L 5.8% of the EPA limit 1300 µg/L
worst single sample: 140 µg/L | 35/40 | SYR4 | 2014–2017 |
| cis-1,2-Dichloroethylene | 4.46 µg/L 6.4% of the EPA limit 70 µg/L
worst single sample: 4.9 µg/L | 33/33 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 16/16 | LCR | 2023 |
| trans-1,2-Dichloroethylene | 0.7075 µg/L 0.7% of the EPA limit 100 µg/L
worst single sample: 0.7300 µg/L | 16/33 | SYR4 | 2012–2019 |
| Nitrate | 60 µg/L 0.6% of the EPA limit 10000 µg/L | 14/16 | SYR4 | 2012–2019 |
| Lead | 126.5 µg/L 843% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 210 µg/L | 11/40 | SYR4 | 2014–2017 |
| Bromodichloromethane | 7.7636 µg/L No EPA limit set
worst single sample: 8.367 µg/L | 8/8 | SYR4 | 2013–2019 |
| Bromoform | 18.15 µg/L No EPA limit set
worst single sample: 21.3 µg/L | 8/8 | SYR4 | 2013–2019 |
| Chloroform | 6.4603 µg/L No EPA limit set
worst single sample: 7.252 µg/L | 8/8 | SYR4 | 2013–2019 |
| Dibromochloromethane | 10.685 µg/L No EPA limit set
worst single sample: 11 µg/L | 8/8 | SYR4 | 2013–2019 |
| TTHM | 37.318 µg/L 47% of the EPA limit 80 µg/L
worst single sample: 41 µg/L | 8/8 | SYR4 | 2013–2019 |
| Dibromoacetic Acid | 3.594 µg/L No EPA limit set
worst single sample: 3.66 µg/L | 3/8 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 4.98 µg/L 8.3% of the EPA limit 60 µg/L
worst single sample: 5.2 µg/L | 3/8 | SYR4 | 2013–2019 |
| Arsenic | 1.79 µg/L 18% of the EPA limit 10 µg/L
worst single sample: 1.8 µg/L | 2/2 | SYR4 | 2014–2017 |
| Barium | 43.55 µg/L 2.2% of the EPA limit 2000 µg/L
worst single sample: 44 µg/L | 2/2 | SYR4 | 2014–2017 |
| Chromium | 6.39 µg/L 6.4% of the EPA limit 100 µg/L
worst single sample: 6.4 µg/L | 2/2 | SYR4 | 2014–2017 |
| Fluoride | 972.15 µg/L 24% of the EPA limit 4000 µg/L
worst single sample: 985 µg/L | 2/2 | SYR4 | 2014–2017 |
| Lithium | 18 µg/L No EPA limit set | 2/2 | UCMR-5 | 2025 |
| Carbon Tetrachloride | 2.4 µg/L 48% of the EPA limit 5 µg/L | 1/33 | SYR4 | 2012–2019 |
| Combined Radium (-226 And -228) | 0.8150 pCi/L 16% of the EPA limit 5 pCi/L | 1/1 | SYR4 | 2014 |
| Dichloroacetic Acid | 1.54 µg/L No EPA limit set | 1/8 | SYR4 | 2013–2019 |
| Selenium | 3.7 µg/L 7.4% of the EPA limit 50 µg/L | 1/2 | SYR4 | 2014–2017 |
77 contaminants tested, none detected
Utility contact
Frequently asked questions about East Alton
Is East Alton tap water safe to drink?
EPA monitoring detected 30 contaminants in East Alton's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.
What contaminants were detected in East Alton's water?
EPA monitoring detected Copper, cis-1,2-Dichloroethylene, Lead, trans-1,2-Dichloroethylene, Nitrate, and others. The full list with the level and data source for each is above.
How many people does East Alton serve?
East Alton reports serving 5,786 people in Illinois, per its EPA record.
Has East Alton had any water quality violations?
The EPA has 5 violations on file for East Alton, of which 0 are health-based (a contaminant limit or required treatment was breached) and 1 remain open. The rest are monitoring or reporting failures.
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.