KNOLLCREST HOA
PWS ID: IA8222301 · LECLAIRE, Iowa 52753
Population Served
42
Total Violations
289
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 17
- County
- Scott
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 218
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Public Notice | Other | 28 | 2016 |
| Coliform (TCR) | MR | 16 | 2015 |
| Revised Total Coliform Rule | MON | 8 | 2018 |
| Gross Alpha, Excl. Radon and U | MR | 5 | 2014 |
| Nitrate | MR | 5 | 2015 |
| Cadmium | MR | 5 | 2005 |
| Chromium | MR | 5 | 2005 |
| Selenium | MR | 5 | 2005 |
| Mercury | MR | 5 | 2005 |
| Combined Radium (-226 and -228) | MR | 5 | 2014 |
| Fluoride | MR | 5 | 2005 |
| Arsenic | MR | 5 | 2005 |
| Barium | MR | 5 | 2005 |
| LASSO | MR | 4 | 2008 |
| Benzo(a)pyrene | MR | 4 | 2008 |
| 2,4-D | MR | 4 | 2008 |
| Dalapon | MR | 4 | 2008 |
| Di(2-ethylhexyl) adipate | MR | 4 | 2008 |
| Dinoseb | MR | 4 | 2008 |
| Pentachlorophenol | MR | 4 | 2008 |
| Picloram | MR | 4 | 2008 |
| 2,4,5-TP | MR | 4 | 2008 |
| 1,2-Dichloroethane | MR | 4 | 2008 |
| cis-1,2-Dichloroethylene | MR | 4 | 2008 |
| 1,1-Dichloroethylene | MR | 4 | 2008 |
| trans-1,2-Dichloroethylene | MR | 4 | 2008 |
| CHLOROBENZENE | MR | 4 | 2008 |
| Tetrachloroethylene | MR | 4 | 2008 |
| 1,1,1-Trichloroethane | MR | 4 | 2008 |
| Vinyl chloride | MR | 4 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.