OAK LAKE MAINTENANCE, INC.
PWS ID: IA5500838 · WHITTEMORE, Iowa 50598
Population Served
128
Total Violations
89
Health-Based Violations
5
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 53
- County
- Kossuth
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 71
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 11 | 1996 |
| Revised Total Coliform Rule | MON | 8 | 2019 |
| LASSO | MR | 7 | 2008 |
| Coliform (TCR) | MR | 6 | 1993 |
| Coliform (TCR) | MCL | 5 | 2005 |
| Benzo(a)pyrene | MR | 4 | 2008 |
| Atrazine | MR | 4 | 2008 |
| Simazine | MR | 4 | 2008 |
| Di(2-ethylhexyl) phthalate | MR | 4 | 2008 |
| Di(2-ethylhexyl) adipate | MR | 4 | 2008 |
| Antimony, Total | MR | 3 | 1991 |
| Nitrite | MR | 3 | 1994 |
| 1,2,4-Trichlorobenzene | MR | 3 | 1995 |
| Gross Alpha, Excl. Radon and U | MR | 3 | 1993 |
| Barium | MR | 1 | 1980 |
| Selenium | MR | 1 | 1980 |
| Arsenic | MR | 1 | 1980 |
| Fluoride | MR | 1 | 1980 |
| Cadmium | MR | 1 | 1980 |
| Mercury | MR | 1 | 1980 |
| Chromium | MR | 1 | 1980 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.