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 |
|---|---|---|---|
| MON | Monitoring | Resolved | 2024-05-01 → 2024-05-31 |
| MON | Monitoring | Resolved | 2024-05-01 → 2024-05-31 |
| MON | Monitoring | Resolved | 2024-05-01 → 2024-05-31 |
| Other | Monitoring | Resolved | 2023-06-28 |
| MON | Monitoring | Resolved | 2022-05-01 → 2022-05-31 |
| MON | Monitoring | Resolved | 2022-05-01 → 2022-05-31 |
| MON | Monitoring | Resolved | 2022-05-01 → 2022-05-31 |
| MON | Monitoring | Resolved | 2022-05-01 → 2022-05-31 |
| MON | Monitoring | Resolved | 2022-05-01 → 2022-05-31 |
| MR | Monitoring | Resolved | 2021-10-01 → 2021-12-31 |
PFAS detected
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| Pfba | 0.0057 µg/L | 1/6 | 2024 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Chloroform | 13.95 µg/L No EPA limit set
worst single sample: 17.7 µg/L | 128/128 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 22.22 µg/L No EPA limit set
worst single sample: 28.7 µg/L | 127/128 | SYR4 | 2012–2019 |
| TTHM | 15.64 µg/L 20% of the EPA limit 80 µg/L
worst single sample: 18.9 µg/L | 104/128 | SYR4 | 2012–2019 |
| Bromodichloromethane | 1.18 µg/L No EPA limit set
worst single sample: 1.46 µg/L | 83/128 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 27.66 µg/L 46% of the EPA limit 60 µg/L
worst single sample: 34.8 µg/L | 77/128 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 3.6565 µg/L No EPA limit set
worst single sample: 4.95 µg/L | 62/128 | SYR4 | 2012–2019 |
| Copper | 12.46 µg/L 1% of the EPA limit 1300 µg/L
worst single sample: 35.4 µg/L | 52/60 | SYR4 | 2014–2017 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 22/22 | LCR | 2023 |
| Lithium | 56.7 µg/L No EPA limit set | 6/6 | UCMR-5 | 2024 |
| Lead | 8.65 µg/L 58% of the EPA limit 15 µg/L
worst single sample: 10.1 µg/L | 5/60 | SYR4 | 2014–2017 |
| Monobromoacetic Acid | 4.322 µg/L No EPA limit set
worst single sample: 4.49 µg/L | 3/128 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 5.62 µg/L No EPA limit set | 1/128 | SYR4 | 2012–2019 |
31 contaminants tested, none detected
Utility contact
Frequently asked questions about Lees Summit
Is Lees Summit tap water safe to drink?
EPA monitoring detected 13 contaminants in Lees Summit'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 Lees Summit's water?
EPA monitoring detected Chloroform, Dichloroacetic Acid, TTHM, Bromodichloromethane, Total Haloacetic Acids (HAA5), and others. The full list with the level and data source for each is above.
How many people does Lees Summit serve?
Lees Summit reports serving 99,400 people in Missouri, per its EPA record.
Has Lees Summit had any water quality violations?
The EPA has 20 violations on file for Lees Summit, 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.