US NAMEPLATE COMPANY INC
PWS ID: IA5758101 · MOUNT VERNON, Iowa 52314
Population Served
65
Total Violations
349
Health-Based Violations
8
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Linn
- School/Daycare
- No
- MCL Violations
- 8
- Monitoring Violations
- 255
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Public Notice | Other | 68 | 2025 |
| Revised Total Coliform Rule | MON | 28 | 2024 |
| E. COLI | MR | 20 | 2022 |
| Coliform (TCR) | MR | 12 | 2015 |
| Ethylbenzene | MR | 12 | 2015 |
| Xylenes, Total | MR | 12 | 2015 |
| Coliform (TCR) | MCL | 8 | 2015 |
| Nitrate | MR | 8 | 2023 |
| Lead and Copper Rule | MR | 8 | 2023 |
| Antimony, Total | MR | 7 | 2015 |
| Barium | MR | 7 | 2015 |
| Cadmium | MR | 7 | 2015 |
| Chromium | MR | 7 | 2015 |
| Fluoride | MR | 7 | 2015 |
| Mercury | MR | 7 | 2015 |
| Thallium, Total | MR | 7 | 2015 |
| TTHM | MR | 7 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 7 | 2025 |
| Arsenic | MR | 7 | 2015 |
| Selenium | MR | 7 | 2015 |
| Benzene | MR | 4 | 2021 |
| Carbon tetrachloride | MR | 4 | 2021 |
| o-Dichlorobenzene | MR | 4 | 2021 |
| 1,2-Dichloroethane | MR | 4 | 2021 |
| 1,1-Dichloroethylene | MR | 4 | 2021 |
| CHLOROBENZENE | MR | 4 | 2021 |
| Tetrachloroethylene | MR | 4 | 2021 |
| 1,1,1-Trichloroethane | MR | 4 | 2021 |
| Trichloroethylene | MR | 4 | 2021 |
| trans-1,2-Dichloroethylene | MR | 4 | 2021 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.