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 | Archived | 1999-06-01 → 1999-06-30 |
| MCL | Health-based | Archived | 1999-06-01 → 1999-06-30 |
| MCL | Health-based | Archived | 1996-09-01 → 1996-09-30 |
| MCL | Health-based | Archived | 1996-09-01 → 1996-09-30 |
| MCL | Health-based | Archived | 1994-10-01 → 1994-10-31 |
| MCL | Health-based | Archived | 1994-10-01 → 1994-10-31 |
| MON | Monitoring | Resolved | 2022-11-01 → 2022-11-30 |
| MON | Monitoring | Resolved | 2022-11-01 → 2022-11-30 |
| MON | Monitoring | Resolved | 2022-11-01 → 2022-11-30 |
| MON | Monitoring | Resolved | 2022-11-01 → 2022-11-30 |
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 | 14/14 | LCR | 2025 |
| Copper | 170 µg/L 13% of the EPA limit 1300 µg/L | 12/15 | SYR4 | 2013–2019 |
| Chloroform | 59 µg/L No EPA limit set | 9/9 | SYR4 | 2012–2017 |
| TTHM | 93 µg/L 116% of the EPA limit, in the worst sample — 80 µg/L | 9/9 | SYR4 | 2012–2017 |
| Bromodichloromethane | 22 µg/L No EPA limit set | 8/9 | SYR4 | 2012–2017 |
| Dibromochloromethane | 8.1 µg/L No EPA limit set | 7/9 | SYR4 | 2012–2017 |
| Lead | 2.2 µg/L 15% of the EPA limit 15 µg/L | 6/15 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 19 µg/L 32% of the EPA limit 60 µg/L | 5/8 | SYR4 | 2012–2017 |
| Trichloroacetic Acid | 6.2 µg/L No EPA limit set | 4/8 | SYR4 | 2012–2017 |
| Combined Radium (-226 And -228) | 3.4 pCi/L 68% of the EPA limit 5 pCi/L | 3/3 | SYR4 | 2012–2018 |
| Dichloroacetic Acid | 11 µg/L No EPA limit set | 3/8 | SYR4 | 2012–2017 |
| Barium | 110 µg/L 5.5% of the EPA limit 2000 µg/L | 2/2 | SYR4 | 2014–2017 |
| Dibromoacetic Acid | 1.9 µg/L No EPA limit set | 2/8 | SYR4 | 2012–2017 |
| Arsenic | 1.1 µg/L 11% of the EPA limit 10 µg/L | 1/2 | SYR4 | 2014–2017 |
| Bromoform | 3.7 µg/L No EPA limit set | 1/9 | SYR4 | 2012–2017 |
35 contaminants tested, none detected
Utility contact
Frequently asked questions about Hillsdale Properties
Is Hillsdale Properties tap water safe to drink?
EPA monitoring detected 15 contaminants in Hillsdale Properties'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 Hillsdale Properties's water?
EPA monitoring detected Lead, Copper, Chloroform, TTHM, Bromodichloromethane, and others. The full list with the level and data source for each is above.
How many people does Hillsdale Properties serve?
Hillsdale Properties reports serving 60 people in Illinois, per its EPA record.
Has Hillsdale Properties had any water quality violations?
The EPA has 98 violations on file for Hillsdale Properties, of which 6 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.