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 |
|---|---|---|---|
| TT | Health-based | Unaddressed | 2024-10-17 |
| TT | Health-based | Unaddressed | 2024-10-17 |
| TT | Health-based | Resolved | 1994-01-01 |
| TT | Health-based | Resolved | 1994-01-01 |
| MCL | Health-based | Resolved | 1984-06-01 → 1987-05-31 |
| MCL | Health-based | Resolved | 1984-06-01 → 1987-05-31 |
| MCL | Health-based | Resolved | 1984-06-01 → 1987-05-31 |
| MCL | Health-based | Resolved | 1984-06-01 → 1987-05-31 |
| MCL | Health-based | Resolved | 1984-06-01 → 1987-05-31 |
| MCL | Health-based | Resolved | 1984-06-01 → 1987-05-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Lead | 0.0067 mg/L 45% of the EPA limit 0.0150 mg/L | 15/15 | LCR | 2024 |
| Copper | 234.7 µg/L 18% of the EPA limit 1300 µg/L
worst single sample: 271 µg/L | 12/30 | SYR4 | 2012–2018 |
| Lead | 21.05 µg/L 140% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 33.8 µg/L | 11/30 | SYR4 | 2012–2018 |
| Bromodichloromethane | 5.273 µg/L No EPA limit set
worst single sample: 5.6 µg/L | 7/7 | SYR4 | 2014–2019 |
| Chloroform | 6.914 µg/L No EPA limit set
worst single sample: 7.55 µg/L | 7/7 | SYR4 | 2014–2019 |
| Dibromochloromethane | 3.694 µg/L No EPA limit set
worst single sample: 3.79 µg/L | 7/7 | SYR4 | 2014–2019 |
| TTHM | 15.853 µg/L 20% of the EPA limit 80 µg/L
worst single sample: 16.9 µg/L | 7/7 | SYR4 | 2014–2019 |
| Dibromoacetic Acid | 2.11 µg/L No EPA limit set
worst single sample: 2.2 µg/L | 4/7 | SYR4 | 2014–2019 |
| Total Haloacetic Acids (HAA5) | 8.4355 µg/L 14% of the EPA limit 60 µg/L
worst single sample: 8.62 µg/L | 4/7 | SYR4 | 2014–2019 |
| Barium | 36.9 µg/L 1.8% of the EPA limit 2000 µg/L
worst single sample: 37 µg/L | 3/3 | SYR4 | 2012–2018 |
| Fluoride | 1137 µg/L 28% of the EPA limit 4000 µg/L
worst single sample: 1170 µg/L | 3/3 | SYR4 | 2012–2018 |
| Monobromoacetic Acid | 6.85 µg/L No EPA limit set
worst single sample: 7.07 µg/L | 2/7 | SYR4 | 2014–2019 |
| Bromoform | 0.7130 µg/L No EPA limit set | 1/7 | SYR4 | 2014–2019 |
| Dichloroacetic Acid | 1.89 µg/L No EPA limit set | 1/7 | SYR4 | 2014–2019 |
| Trichloroacetic Acid | 1.81 µg/L No EPA limit set | 1/7 | SYR4 | 2014–2019 |
35 contaminants tested, none detected
Utility contact
Frequently asked questions about Lake Barrington Shores Subdivsion
Is Lake Barrington Shores Subdivsion tap water safe to drink?
EPA monitoring detected 15 contaminants in Lake Barrington Shores Subdivsion'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 Lake Barrington Shores Subdivsion's water?
EPA monitoring detected Lead, Copper, Lead, Bromodichloromethane, Chloroform, and others. The full list with the level and data source for each is above.
How many people does Lake Barrington Shores Subdivsion serve?
Lake Barrington Shores Subdivsion reports serving 2,300 people in Illinois, per its EPA record.
Has Lake Barrington Shores Subdivsion had any water quality violations?
The EPA has 213 violations on file for Lake Barrington Shores Subdivsion, of which 17 are health-based (a contaminant limit or required treatment was breached) and 5 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.