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 | 2020-01-01 → 2020-03-31 |
| MCL | Health-based | Resolved | 2020-01-01 → 2020-03-31 |
| MCL | Health-based | Resolved | 2020-01-01 → 2020-03-31 |
| MCL | Health-based | Resolved | 2020-01-01 → 2020-03-31 |
| MCL | Health-based | Resolved | 2020-01-01 → 2020-03-31 |
| MCL | Health-based | Resolved | 2019-10-01 → 2019-12-31 |
| MCL | Health-based | Resolved | 2019-10-01 → 2019-12-31 |
| MCL | Health-based | Resolved | 2019-10-01 → 2019-12-31 |
| MCL | Health-based | Resolved | 2019-10-01 → 2019-12-31 |
| MCL | Health-based | Resolved | 2019-10-01 → 2019-12-31 |
PFAS detected
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFOA | 0.0062 µg/L | 1/4 | 2024 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Chlorite | 600 µg/L 60% of the EPA limit 1000 µg/L
worst single sample: 730 µg/L | 212/288 | SYR4 | 2012–2019 |
| Bromodichloromethane | 16.855 µg/L No EPA limit set
worst single sample: 23.9 µg/L | 90/90 | SYR4 | 2012–2019 |
| Chloroform | 107.1 µg/L No EPA limit set
worst single sample: 156 µg/L | 90/90 | SYR4 | 2012–2019 |
| Dibromochloromethane | 3.4345 µg/L No EPA limit set
worst single sample: 4.25 µg/L | 90/90 | SYR4 | 2012–2019 |
| TTHM | 121.85 µg/L 152% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 174 µg/L | 82/82 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 37.4 µg/L No EPA limit set
worst single sample: 50.1 µg/L | 81/81 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 32 µg/L No EPA limit set
worst single sample: 71.5 µg/L | 81/81 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 78.75 µg/L 131% of the EPA limit, at the 95th percentile of samples — 60 µg/L
worst single sample: 113 µg/L | 79/81 | SYR4 | 2012–2019 |
| Copper | 141 µg/L 11% of the EPA limit 1300 µg/L
worst single sample: 290 µg/L | 61/68 | SYR4 | 2012–2019 |
| Lead | 0.0016 mg/L 10% of the EPA limit 0.0150 mg/L | 22/22 | LCR | 2025 |
| Atrazine | 1.563 µg/L 52% of the EPA limit 3 µg/L
worst single sample: 1.92 µg/L | 18/32 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 280 µg/L 2.8% of the EPA limit 10000 µg/L | 16/16 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 7.66 µg/L No EPA limit set
worst single sample: 8.73 µg/L | 11/81 | SYR4 | 2012–2019 |
| Lead | 28.815 µg/L 192% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 36.6 µg/L | 10/68 | SYR4 | 2012–2019 |
| Barium | 76.8 µg/L 3.8% of the EPA limit 2000 µg/L
worst single sample: 81 µg/L | 8/8 | SYR4 | 2012–2019 |
| Fluoride | 798 µg/L 20% of the EPA limit 4000 µg/L
worst single sample: 840 µg/L | 8/8 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 19.64 µg/L No EPA limit set
worst single sample: 20 µg/L | 3/81 | SYR4 | 2012–2019 |
| Chromium | 2.0645 µg/L 2.1% of the EPA limit 100 µg/L
worst single sample: 2.12 µg/L | 2/8 | SYR4 | 2012–2019 |
| Lithium | 11 µg/L No EPA limit set | 2/4 | UCMR-5 | 2024 |
| 2,4-D | 0.4100 µg/L 0.6% of the EPA limit 70 µg/L | 1/9 | SYR4 | 2012–2019 |
78 contaminants tested, none detected
Utility contact
Frequently asked questions about Lamar
Is Lamar tap water safe to drink?
EPA monitoring detected 21 contaminants in Lamar'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 Lamar's water?
EPA monitoring detected Chlorite, Bromodichloromethane, Chloroform, Dibromochloromethane, TTHM, and others. The full list with the level and data source for each is above.
How many people does Lamar serve?
Lamar reports serving 4,500 people in Missouri, per its EPA record.
Has Lamar had any water quality violations?
The EPA has 167 violations on file for Lamar, of which 126 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.