CORALVILLE LAKE TERRACE
PWS ID: IA5200817 · TIPTON, Iowa 52772
Population Served
340
Total Violations
362
Health-Based Violations
113
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 85
- County
- Johnson
- School/Daycare
- No
- MCL Violations
- 113
- Monitoring Violations
- 164
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 113 | 2002 |
| Coliform (TCR) | MR | 61 | 2010 |
| Nitrate | MR | 40 | 2014 |
| Consumer Confidence Rule | Other | 37 | 2016 |
| Lead and Copper Rule | MR | 23 | 2010 |
| Total Haloacetic Acids (HAA5) | MR | 10 | 2015 |
| Gross Alpha, Excl. Radon and U | MR | 9 | 1994 |
| TTHM | MR | 7 | 2015 |
| Arsenic | MR | 7 | 2001 |
| Public Notice | Other | 4 | 2014 |
| Mercury | MR | 1 | 1980 |
| Selenium | MR | 1 | 1980 |
| Combined Radium (-226 and -228) | MR | 1 | 1980 |
| Cadmium | MR | 1 | 1980 |
| Barium | MR | 1 | 1980 |
| Chromium | MR | 1 | 1980 |
| Fluoride | MR | 1 | 1980 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.