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 |
|---|---|---|---|
| TT | Health-based | Unaddressed | 2026-05-01 |
| TT | Health-based | Unaddressed | 2026-05-01 |
| TT | Health-based | Unaddressed | 2026-04-30 |
| TT | Health-based | Unaddressed | 2026-04-30 |
| MR | Monitoring | Unaddressed | 2025-10-01 |
| MR | Monitoring | Unaddressed | 2025-10-01 |
| Other | Monitoring | Resolved | 2023-07-01 |
| Other | Monitoring | Resolved | 2023-07-01 |
| Other | Monitoring | Resolved | 2022-07-01 |
| Other | Monitoring | Resolved | 2022-07-01 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 50 µg/L 0.5% of the EPA limit 10000 µg/L | 14/16 | SYR4 | 2012–2019 |
| Copper | 101.15 µg/L 7.8% of the EPA limit 1300 µg/L
worst single sample: 116 µg/L | 12/15 | SYR4 | 2013–2019 |
| Bromoform | 8.55 µg/L No EPA limit set
worst single sample: 9.8 µg/L | 11/12 | SYR4 | 2013–2019 |
| Dibromochloromethane | 4.06 µg/L No EPA limit set
worst single sample: 4.3 µg/L | 9/12 | SYR4 | 2013–2019 |
| Lead | 5.25 µg/L 35% of the EPA limit 15 µg/L
worst single sample: 6 µg/L | 6/15 | SYR4 | 2013–2019 |
| Dibromoacetic Acid | 1.98 µg/L No EPA limit set
worst single sample: 2.1 µg/L | 5/6 | SYR4 | 2013–2018 |
| TTHM | 13.14 µg/L 16% of the EPA limit 80 µg/L
worst single sample: 13.2 µg/L | 5/6 | SYR4 | 2013–2018 |
| Total Haloacetic Acids (HAA5) | 1.98 µg/L 3.3% of the EPA limit 60 µg/L
worst single sample: 2.1 µg/L | 5/6 | SYR4 | 2013–2018 |
| Lead | 0.1280 mg/L 853% above the EPA limit of 0.0150 mg/L | 4/4 | LCR | 2025 |
| Arsenic | 3.25 µg/L 33% of the EPA limit 10 µg/L
worst single sample: 3.3 µg/L | 3/3 | SYR4 | 2013–2019 |
| Barium | 98.21 µg/L 4.9% of the EPA limit 2000 µg/L
worst single sample: 98.5 µg/L | 3/3 | SYR4 | 2013–2019 |
| Bromodichloromethane | 1.57 µg/L No EPA limit set
worst single sample: 1.6 µg/L | 3/12 | SYR4 | 2013–2019 |
| Fluoride | 915 µg/L 23% of the EPA limit 4000 µg/L
worst single sample: 920 µg/L | 3/3 | SYR4 | 2013–2019 |
| Nitrate-Nitrite | 49 µg/L 0.5% of the EPA limit 10000 µg/L
worst single sample: 50 µg/L | 3/3 | SYR4 | 2012–2015 |
| Chloroform | 0.7000 µg/L No EPA limit set | 1/12 | SYR4 | 2013–2019 |
63 contaminants tested, none detected
Utility contact
Frequently asked questions about Tri County Point Water System 4
Is Tri County Point Water System 4 tap water safe to drink?
EPA monitoring detected 15 contaminants in Tri County Point Water System 4'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 Tri County Point Water System 4's water?
EPA monitoring detected Nitrate, Copper, Bromoform, Dibromochloromethane, Lead, and others. The full list with the level and data source for each is above.
How many people does Tri County Point Water System 4 serve?
Tri County Point Water System 4 reports serving 456 people in Missouri, per its EPA record.
Has Tri County Point Water System 4 had any water quality violations?
The EPA has 268 violations on file for Tri County Point Water System 4, of which 4 are health-based (a contaminant limit or required treatment was breached) and 6 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.