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 | 2024-07-01 → 2024-09-30 |
| MCL | Health-based | Resolved | 2024-07-01 → 2024-09-30 |
| MCL | Health-based | Resolved | 2024-07-01 → 2024-09-30 |
| MCL | Health-based | Resolved | 2024-07-01 → 2024-09-30 |
| MCL | Health-based | Resolved | 2024-07-01 → 2024-09-30 |
| MCL | Health-based | Resolved | 2024-07-01 → 2024-09-30 |
| MCL | Health-based | Resolved | 1997-04-01 → 1997-04-30 |
| MCL | Health-based | Resolved | 1997-04-01 → 1997-04-30 |
| MCL | Health-based | Resolved | 1997-04-01 → 1997-04-30 |
| MCL | Health-based | Resolved | 1997-04-01 → 1997-04-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 1400 µg/L 14% of the EPA limit 10000 µg/L
worst single sample: 3500 µg/L | 324/324 | SYR4 | 2012–2019 |
| Bromodichloromethane | 12.66 µg/L No EPA limit set
worst single sample: 14.1 µg/L | 57/57 | SYR4 | 2012–2019 |
| Chloroform | 68.356 µg/L No EPA limit set
worst single sample: 98 µg/L | 57/57 | SYR4 | 2012–2019 |
| TTHM | 80.574 µg/L 101% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 111 µg/L | 57/57 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 55.42 µg/L 92% of the EPA limit 60 µg/L
worst single sample: 77 µg/L | 57/57 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 27.14 µg/L No EPA limit set
worst single sample: 36.3 µg/L | 57/57 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 31.7 µg/L No EPA limit set
worst single sample: 41 µg/L | 56/57 | SYR4 | 2012–2019 |
| Dibromochloromethane | 2.252 µg/L No EPA limit set
worst single sample: 6.527 µg/L | 51/57 | SYR4 | 2012–2019 |
| Copper | 339 µg/L 26% of the EPA limit 1300 µg/L
worst single sample: 410 µg/L | 38/40 | SYR4 | 2014–2017 |
| Lead | 9.06 µg/L 60% of the EPA limit 15 µg/L
worst single sample: 41 µg/L | 25/40 | SYR4 | 2014–2017 |
| Lead | 0.0033 mg/L 22% of the EPA limit 0.0150 mg/L | 19/19 | LCR | 2026 |
| Barium | 35.95 µg/L 1.8% of the EPA limit 2000 µg/L
worst single sample: 37 µg/L | 8/8 | SYR4 | 2012–2019 |
| Fluoride | 1053 µg/L 26% of the EPA limit 4000 µg/L
worst single sample: 1060 µg/L | 8/8 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 8.7 µg/L No EPA limit set
worst single sample: 8.82 µg/L | 7/57 | SYR4 | 2012–2019 |
| Arsenic | 2.225 µg/L 22% of the EPA limit 10 µg/L
worst single sample: 2.3 µg/L | 6/8 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 3.18 µg/L No EPA limit set
worst single sample: 3.36 µg/L | 5/57 | SYR4 | 2012–2019 |
| Bromoform | 2.00895 µg/L No EPA limit set
worst single sample: 2.022 µg/L | 2/57 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 2.37 µg/L No EPA limit set
worst single sample: 2.4 µg/L | 2/57 | SYR4 | 2012–2019 |
| Combined Radium (-226 And -228) | 0.8190 pCi/L 16% of the EPA limit 5 pCi/L | 1/1 | SYR4 | 2014 |
| Simazine | 0.9000 µg/L 23% of the EPA limit 4 µg/L | 1/15 | SYR4 | 2012–2019 |
87 contaminants tested, none detected
Utility contact
Frequently asked questions about Vandalia
Is Vandalia tap water safe to drink?
EPA monitoring detected 20 contaminants in Vandalia'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 Vandalia's water?
EPA monitoring detected Nitrate, Bromodichloromethane, Chloroform, TTHM, Total Haloacetic Acids (HAA5), and others. The full list with the level and data source for each is above.
How many people does Vandalia serve?
Vandalia reports serving 7,616 people in Illinois, per its EPA record.
Has Vandalia had any water quality violations?
The EPA has 46 violations on file for Vandalia, of which 10 are health-based (a contaminant limit or required treatment was breached) and 2 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.