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 | 2014-10-01 → 2014-10-31 |
| MCL | Health-based | Resolved | 2014-10-01 → 2014-10-31 |
| MCL | Health-based | Resolved | 2014-10-01 → 2014-10-31 |
| MCL | Health-based | Resolved | 2014-10-01 → 2014-10-31 |
| MCL | Health-based | Resolved | 1992-10-01 → 1992-10-31 |
| MCL | Health-based | Resolved | 1992-10-01 → 1992-10-31 |
| MCL | Health-based | Resolved | 1992-10-01 → 1992-10-31 |
| MCL | Health-based | Resolved | 1991-07-01 → 1991-07-31 |
| MR | Monitoring | Resolved | 2024-01-01 → 2024-12-31 |
| MR | Monitoring | Resolved | 2024-01-01 → 2024-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 187 µg/L 14% of the EPA limit 1300 µg/L
worst single sample: 939 µg/L | 68/68 | SYR4 | 2013–2019 |
| Nitrate-Nitrite | 512 µg/L 5.1% of the EPA limit 10000 µg/L
worst single sample: 820 µg/L | 32/62 | SYR4 | 2012–2019 |
| Lead | 8.9245 µg/L 59% of the EPA limit 15 µg/L
worst single sample: 24.3 µg/L | 28/68 | SYR4 | 2013–2019 |
| Lead | 0.0011 mg/L 7.6% of the EPA limit 0.0150 mg/L | 17/17 | LCR | 2025 |
| Combined Radium (-226 And -228) | 4.1 pCi/L 82% of the EPA limit 5 pCi/L | 12/12 | SYR4 | 2013–2019 |
| Barium | 63.39 µg/L 3.2% of the EPA limit 2000 µg/L
worst single sample: 67.1 µg/L | 8/8 | SYR4 | 2014–2017 |
| Chromium | 9.3105 µg/L 9.3% of the EPA limit 100 µg/L
worst single sample: 9.51 µg/L | 8/8 | SYR4 | 2014–2017 |
| Fluoride | 1493 µg/L 37% of the EPA limit 4000 µg/L
worst single sample: 1500 µg/L | 8/8 | SYR4 | 2014–2017 |
| Bromoform | 3.192 µg/L No EPA limit set
worst single sample: 3.24 µg/L | 5/15 | SYR4 | 2013–2019 |
| Dibromochloromethane | 13.19 µg/L No EPA limit set
worst single sample: 14 µg/L | 4/15 | SYR4 | 2013–2019 |
| Lithium | 62.7 µg/L No EPA limit set | 4/4 | UCMR-5 | 2025 |
| Bromodichloromethane | 20.64 µg/L No EPA limit set
worst single sample: 21.8 µg/L | 3/15 | SYR4 | 2013–2019 |
| Chloroform | 14.636 µg/L No EPA limit set
worst single sample: 15.2 µg/L | 3/15 | SYR4 | 2013–2019 |
| Gross Alpha, Excl. Radon And U | 19.68 pCi/L 131% of the EPA limit, at the 95th percentile of samples — 15 pCi/L
worst single sample: 19.7 pCi/L | 2/2 | SYR4 | 2013–2014 |
| Xylenes, Total | 3.442 µg/L 0% of the EPA limit 10000 µg/L
worst single sample: 3.54 µg/L | 2/8 | SYR4 | 2014–2017 |
| 2,4-D | 2.48 µg/L 3.5% of the EPA limit 70 µg/L | 1/6 | SYR4 | 2012–2018 |
| Arsenic | 2.38 µg/L 24% of the EPA limit 10 µg/L | 1/8 | SYR4 | 2014–2017 |
| Dibromoacetic Acid | 2.07 µg/L No EPA limit set | 1/7 | SYR4 | 2013–2019 |
| Ethylbenzene | 0.8600 µg/L 0.1% of the EPA limit 700 µg/L | 1/8 | SYR4 | 2014–2017 |
| TTHM | 23.6 µg/L 30% of the EPA limit 80 µg/L | 1/7 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 3.09 µg/L 5.1% of the EPA limit 60 µg/L | 1/7 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 1.02 µg/L No EPA limit set | 1/7 | SYR4 | 2013–2019 |
80 contaminants tested, none detected
Utility contact
Frequently asked questions about St Charles Co Pwsd #2 Wright City
Is St Charles Co Pwsd #2 Wright City tap water safe to drink?
EPA monitoring detected 22 contaminants in St Charles Co Pwsd #2 Wright City'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 St Charles Co Pwsd #2 Wright City's water?
EPA monitoring detected Copper, Nitrate-Nitrite, Lead, Lead, Combined Radium (-226 And -228), and others. The full list with the level and data source for each is above.
How many people does St Charles Co Pwsd #2 Wright City serve?
St Charles Co Pwsd #2 Wright City reports serving 3,550 people in Missouri, per its EPA record.
Has St Charles Co Pwsd #2 Wright City had any water quality violations?
The EPA has 73 violations on file for St Charles Co Pwsd #2 Wright City, of which 8 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.