FRONTIER ESTATES
PWS ID: MO6036101 · FENTON, Missouri 63026-0000
Population Served
120
Total Violations
257
Health-Based Violations
61
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 48
- County
- Jefferson
- School/Daycare
- No
- MCL Violations
- 56
- Monitoring Violations
- 167
- Treatment Tech Violations
- 5
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 85 | 2012 |
| Coliform (TCR) | MCL | 50 | 2004 |
| Combined Radium (-226 and -228) | MCL | 6 | 2023 |
| Nitrate-Nitrite | MR | 6 | 2000 |
| Consumer Confidence Rule | Other | 5 | 2004 |
| Groundwater Rule | TT | 5 | 2015 |
| E. COLI | MR | 4 | 2012 |
| Revised Total Coliform Rule | MON | 4 | 2020 |
| Gross Alpha, Excl. Radon and U | MR | 3 | 1996 |
| Mercury | MR | 2 | 1999 |
| Selenium | MR | 2 | 1999 |
| Antimony, Total | MR | 2 | 1999 |
| Beryllium, Total | MR | 2 | 1999 |
| Arsenic | MR | 2 | 1999 |
| Barium | MR | 2 | 1999 |
| Xylenes, Total | MR | 2 | 1999 |
| DICHLOROMETHANE | MR | 2 | 1999 |
| o-Dichlorobenzene | MR | 2 | 1999 |
| Chromium | MR | 2 | 1999 |
| Vinyl chloride | MR | 2 | 1999 |
| Fluoride | MR | 2 | 1999 |
| trans-1,2-Dichloroethylene | MR | 2 | 1999 |
| 1,2-Dichloroethane | MR | 2 | 1999 |
| 1,1,1-Trichloroethane | MR | 2 | 1999 |
| Nickel | MR | 2 | 1999 |
| Trichloroethylene | MR | 2 | 1999 |
| Benzene | MR | 2 | 1999 |
| Thallium, Total | MR | 2 | 1999 |
| Toluene | MR | 2 | 1999 |
| Styrene | MR | 2 | 1999 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.