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 | 2004-09-01 → 2004-09-30 |
| MCL | Health-based | Resolved | 2004-09-01 → 2004-09-30 |
| MCL | Health-based | Resolved | 2004-09-01 → 2004-09-30 |
| MCL | Health-based | Resolved | 2004-09-01 → 2004-09-30 |
| RPT | Monitoring | Unaddressed | 2026-01-01 |
| RPT | Monitoring | Unaddressed | 2026-01-01 |
| Other | Monitoring | Resolved | 2025-07-01 |
| RPT | Monitoring | Resolved | 2024-10-17 |
| RPT | Monitoring | Resolved | 2024-10-17 |
| RPT | Monitoring | Resolved | 2024-10-17 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Lead | 0.0093 mg/L 62% of the EPA limit 0.0150 mg/L | 22/22 | LCR | 2022 |
| Copper | 206.35 µg/L 16% of the EPA limit 1300 µg/L
worst single sample: 265 µg/L | 18/18 | SYR4 | 2012–2018 |
| Lead | 11.87 µg/L 79% of the EPA limit 15 µg/L
worst single sample: 13.4 µg/L | 18/18 | SYR4 | 2012–2018 |
| Nitrate-Nitrite | 21 µg/L 0.2% of the EPA limit 10000 µg/L | 16/16 | SYR4 | 2012–2019 |
| Barium | 335.7 µg/L 17% of the EPA limit 2000 µg/L
worst single sample: 339 µg/L | 3/3 | SYR4 | 2012–2018 |
| Cadmium | 0.3310 µg/L 6.6% of the EPA limit 5 µg/L
worst single sample: 0.3400 µg/L | 3/3 | SYR4 | 2012–2018 |
| Chromium | 1.782 µg/L 1.8% of the EPA limit 100 µg/L
worst single sample: 1.79 µg/L | 2/3 | SYR4 | 2012–2018 |
| Combined Radium (-226 And -228) | 2.3 pCi/L 46% of the EPA limit 5 pCi/L | 1/2 | SYR4 | 2013–2019 |
55 contaminants tested, none detected
Utility contact
Frequently asked questions about Osage Highlands
Is Osage Highlands tap water safe to drink?
EPA monitoring detected 8 contaminants in Osage Highlands'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 Osage Highlands's water?
EPA monitoring detected Lead, Copper, Lead, Nitrate-Nitrite, Barium, and others. The full list with the level and data source for each is above.
How many people does Osage Highlands serve?
Osage Highlands reports serving 200 people in Missouri, per its EPA record.
Has Osage Highlands had any water quality violations?
The EPA has 32 violations on file for Osage Highlands, of which 4 are health-based (a contaminant limit or required treatment was breached) and 7 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.