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 |
|---|---|---|---|
| MR | Monitoring | Archived | 2000-08-01 → 2000-08-31 |
| MR | Monitoring | Archived | 2000-08-01 → 2000-08-31 |
| MR | Monitoring | Archived | 2000-07-01 → 2000-07-31 |
| MR | Monitoring | Archived | 2000-07-01 → 2000-07-31 |
| MR | Monitoring | Archived | 1997-08-01 → 1997-08-31 |
| MR | Monitoring | Archived | 1997-08-01 → 1997-08-31 |
| MR | Monitoring | Resolved | 1996-10-01 |
| MR | Monitoring | Archived | 1996-09-01 → 1996-09-30 |
| MR | Monitoring | Archived | 1996-09-01 → 1996-09-30 |
| MR | Monitoring | Archived | 1996-09-01 → 1996-09-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 18/18 | LCR | 2024 |
| Copper | 244 µg/L 19% of the EPA limit 1300 µg/L
worst single sample: 310 µg/L | 12/15 | SYR4 | 2012–2018 |
| Nitrate | 1720 µg/L 17% of the EPA limit 10000 µg/L | 8/16 | SYR4 | 2012–2019 |
| Arsenic | 2.967 µg/L 30% of the EPA limit 10 µg/L
worst single sample: 3 µg/L | 3/3 | SYR4 | 2012–2018 |
| Barium | 59.43 µg/L 3% of the EPA limit 2000 µg/L
worst single sample: 59.7 µg/L | 3/3 | SYR4 | 2012–2018 |
| Chloroform | 1.62289 µg/L No EPA limit set
worst single sample: 1.74 µg/L | 3/3 | SYR4 | 2012–2017 |
| Fluoride | 926.3 µg/L 23% of the EPA limit 4000 µg/L
worst single sample: 934 µg/L | 3/3 | SYR4 | 2012–2018 |
| TTHM | 2.94589 µg/L 3.7% of the EPA limit 80 µg/L
worst single sample: 3.21 µg/L | 3/3 | SYR4 | 2012–2017 |
| Combined Radium (-226 And -228) | 2.532 pCi/L 51% of the EPA limit 5 pCi/L
worst single sample: 2.54 pCi/L | 2/2 | SYR4 | 2016–2019 |
| Lead | 1.285 µg/L 8.6% of the EPA limit 15 µg/L
worst single sample: 1.3 µg/L | 2/15 | SYR4 | 2012–2018 |
| Bromodichloromethane | 0.9350 µg/L No EPA limit set | 1/3 | SYR4 | 2012–2017 |
| Dibromoacetic Acid | 1.01 µg/L No EPA limit set | 1/3 | SYR4 | 2012–2017 |
| Dibromochloromethane | 0.5360 µg/L No EPA limit set | 1/3 | SYR4 | 2012–2017 |
| Total Haloacetic Acids (HAA5) | 1.01 µg/L 1.7% of the EPA limit 60 µg/L | 1/3 | SYR4 | 2012–2017 |
35 contaminants tested, none detected
Utility contact
Frequently asked questions about Aurora Community Water Assn
Is Aurora Community Water Assn tap water safe to drink?
EPA monitoring detected 14 contaminants in Aurora Community Water Assn'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 Aurora Community Water Assn's water?
EPA monitoring detected Lead, Copper, Nitrate, Arsenic, Barium, and others. The full list with the level and data source for each is above.
How many people does Aurora Community Water Assn serve?
Aurora Community Water Assn reports serving 150 people in Illinois, per its EPA record.
Has Aurora Community Water Assn had any water quality violations?
The EPA has 382 violations on file for Aurora Community Water Assn, of which 0 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.