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 | 1993-06-01 → 1993-06-30 |
| MCL | Health-based | Archived | 1993-06-01 → 1993-06-30 |
| TT | Health-based | Resolved | 1993-01-01 → 1994-12-31 |
| TT | Health-based | Resolved | 1993-01-01 → 1994-12-31 |
| MR | Monitoring | Unaddressed | 2026-01-01 |
| MR | Monitoring | Unaddressed | 2026-01-01 |
| Other | Monitoring | Unaddressed | 2025-07-01 |
| MR | Monitoring | Resolved | 2025-07-01 → 2025-09-30 |
| MR | Monitoring | Resolved | 2025-07-01 → 2025-09-30 |
| MR | Monitoring | Resolved | 2025-07-01 → 2025-09-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 9.83 µg/L No EPA limit set
worst single sample: 10.3 µg/L | 71/71 | SYR4 | 2012–2019 |
| Chloroform | 12.935 µg/L No EPA limit set
worst single sample: 13.8 µg/L | 71/71 | SYR4 | 2012–2019 |
| Dibromochloromethane | 5.18 µg/L No EPA limit set
worst single sample: 6.1 µg/L | 71/71 | SYR4 | 2012–2019 |
| TTHM | 28.3 µg/L 35% of the EPA limit 80 µg/L
worst single sample: 29.8 µg/L | 71/71 | SYR4 | 2012–2019 |
| Copper | 203 µg/L 16% of the EPA limit 1300 µg/L
worst single sample: 300 µg/L | 58/60 | SYR4 | 2014–2017 |
| Total Haloacetic Acids (HAA5) | 19.709 µg/L 33% of the EPA limit 60 µg/L
worst single sample: 62.3 µg/L | 47/71 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 4.206 µg/L No EPA limit set
worst single sample: 4.53 µg/L | 44/71 | SYR4 | 2012–2019 |
| Lead | 14.2 µg/L 95% of the EPA limit 15 µg/L
worst single sample: 19 µg/L | 40/60 | SYR4 | 2014–2017 |
| Dichloroacetic Acid | 6.469 µg/L No EPA limit set
worst single sample: 6.7 µg/L | 22/71 | SYR4 | 2012–2019 |
| Lead | 0.0055 mg/L 37% of the EPA limit 0.0150 mg/L | 16/16 | LCR | 2026 |
| Monobromoacetic Acid | 46.23 µg/L No EPA limit set
worst single sample: 56.4 µg/L | 7/71 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 1.585 µg/L No EPA limit set
worst single sample: 1.6 µg/L | 4/71 | SYR4 | 2012–2019 |
| Bromoform | 0.5388 µg/L No EPA limit set
worst single sample: 0.5420 µg/L | 3/71 | SYR4 | 2012–2019 |
31 contaminants tested, none detected
Utility contact
Frequently asked questions about Lansing
Is Lansing tap water safe to drink?
EPA monitoring detected 13 contaminants in Lansing'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 Lansing's water?
EPA monitoring detected Bromodichloromethane, Chloroform, Dibromochloromethane, TTHM, Copper, and others. The full list with the level and data source for each is above.
How many people does Lansing serve?
Lansing reports serving 29,076 people in Illinois, per its EPA record.
Has Lansing had any water quality violations?
The EPA has 25 violations on file for Lansing, of which 4 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.