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 |
|---|---|---|---|
| MCL | Health-based | Resolved | 2010-07-01 → 2010-07-31 |
| MCL | Health-based | Resolved | 2010-07-01 → 2010-07-31 |
| MCL | Health-based | Resolved | 2010-07-01 → 2010-07-31 |
| MCL | Health-based | Resolved | 2010-07-01 → 2010-07-31 |
| TT | Health-based | Resolved | 1994-01-01 |
| MCL | Health-based | Archived | 1993-03-01 → 1993-03-31 |
| MCL | Health-based | Archived | 1993-03-01 → 1993-03-31 |
| MCL | Health-based | Archived | 1993-03-01 → 1993-03-31 |
| MCL | Health-based | Archived | 1992-09-01 → 1992-09-30 |
| MCL | Health-based | Archived | 1992-09-01 → 1992-09-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 1770 µg/L 136% of the EPA limit, at the 95th percentile of samples — 1300 µg/L
worst single sample: 2240 µg/L | 129/161 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 23/23 | LCR | 2025 |
| Nitrate | 927 µg/L 9.3% of the EPA limit 10000 µg/L | 16/18 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 890.25 µg/L 8.9% of the EPA limit 10000 µg/L
worst single sample: 927 µg/L | 8/8 | SYR4 | 2012–2019 |
| Chloroform | 14.73 µg/L No EPA limit set
worst single sample: 16.5 µg/L | 7/7 | SYR4 | 2014–2019 |
| Dichloroacetic Acid | 10.17 µg/L No EPA limit set
worst single sample: 10.2 µg/L | 7/7 | SYR4 | 2014–2019 |
| TTHM | 15.5 µg/L 19% of the EPA limit 80 µg/L
worst single sample: 17.6 µg/L | 7/7 | SYR4 | 2014–2019 |
| Total Haloacetic Acids (HAA5) | 16.92 µg/L 28% of the EPA limit 60 µg/L
worst single sample: 18 µg/L | 7/7 | SYR4 | 2014–2019 |
| Trichloroacetic Acid | 4.35 µg/L No EPA limit set
worst single sample: 4.4 µg/L | 6/7 | SYR4 | 2014–2019 |
| Barium | 246.865 µg/L 12% of the EPA limit 2000 µg/L
worst single sample: 280 µg/L | 4/4 | SYR4 | 2012–2018 |
| Fluoride | 1089.5 µg/L 27% of the EPA limit 4000 µg/L
worst single sample: 1100 µg/L | 4/4 | SYR4 | 2012–2018 |
| Combined Radium (-226 And -228) | 1.3053 pCi/L 26% of the EPA limit 5 pCi/L
worst single sample: 1.324 pCi/L | 2/2 | SYR4 | 2012–2014 |
| Monochloroacetic Acid | 3.35 µg/L No EPA limit set
worst single sample: 3.4 µg/L | 2/7 | SYR4 | 2014–2019 |
| Bromodichloromethane | 1.1 µg/L No EPA limit set | 1/7 | SYR4 | 2014–2019 |
| Chlorobenzene | 4.2 µg/L 4.2% of the EPA limit 100 µg/L | 1/3 | SYR4 | 2014 |
| Dibromoacetic Acid | 1.7 µg/L No EPA limit set | 1/7 | SYR4 | 2014–2019 |
62 contaminants tested, none detected
Utility contact
Frequently asked questions about Atwood
Is Atwood tap water safe to drink?
EPA monitoring detected 16 contaminants in Atwood'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 Atwood's water?
EPA monitoring detected Copper, Lead, Nitrate, Nitrate-Nitrite, Chloroform, and others. The full list with the level and data source for each is above.
How many people does Atwood serve?
Atwood reports serving 1,155 people in Illinois, per its EPA record.
Has Atwood had any water quality violations?
The EPA has 30 violations on file for Atwood, of which 10 are health-based (a contaminant limit or required treatment was breached) and 0 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.