OAK LAKE MAINTENANCE, INC.
Iowa — Community Water System — PWSID: IA5500838
System Information
| PWSID | IA5500838 |
| System Name | OAK LAKE MAINTENANCE, INC. |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 27, 1979 |
| Last Reported | Mar 17, 2026 |
Location & Contact
| State | Iowa |
| City | WHITTEMORE |
| ZIP Code | 50598 |
| Address | ATTN BRIAN KLEIN NORTH IOWA ENVIR |
| Organization | OAK LAKE MAINTENANCE |
| Phone | 515-320-1122 |
Population & Service
| Population Served | 128 |
| Service Connections | 53 |
Drinking Water Violations (89)
This water system has 89 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 2019 | Jun 30, 2019 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2019 | — | |
| Jun 1, 2019 | Jun 30, 2019 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2019 | — | |
| Jun 1, 2019 | Jun 30, 2019 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2019 | — | |
| Jun 1, 2019 | Jun 30, 2019 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2019 | — | |
| Aug 1, 2018 | Aug 31, 2018 | MON | No | Yes | — | — | — | Resolved | Aug 31, 2018 | — | |
| Aug 1, 2018 | Aug 31, 2018 | MON | No | Yes | — | — | — | Resolved | Aug 31, 2018 | — | |
| Aug 1, 2018 | Aug 31, 2018 | MON | No | Yes | — | — | — | Resolved | Aug 31, 2018 | — | |
| Aug 1, 2018 | Aug 31, 2018 | MON | No | Yes | — | — | — | Resolved | Aug 31, 2018 | — | |
| Oct 1, 2008 | Sep 30, 2014 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Oct 1, 2008 | Sep 30, 2014 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Oct 1, 2008 | Sep 30, 2014 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2014 | — | |
| Oct 1, 2008 | Sep 30, 2014 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Oct 1, 2008 | Sep 30, 2014 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Oct 1, 2008 | Sep 30, 2014 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Oct 1, 2008 | Sep 30, 2014 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Oct 1, 2008 | Sep 30, 2014 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Oct 1, 2008 | Sep 30, 2014 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Oct 1, 2008 | Sep 30, 2014 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Oct 1, 2008 | Sep 30, 2014 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2014 | — | |
| Oct 1, 2008 | Sep 30, 2014 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Oct 1, 2008 | Sep 30, 2014 | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Oct 1, 2008 | Sep 30, 2014 | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Oct 1, 2008 | Sep 30, 2014 | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Oct 1, 2008 | Sep 30, 2014 | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Oct 1, 2008 | Sep 30, 2014 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Oct 1, 2008 | Sep 30, 2014 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Oct 1, 2008 | Sep 30, 2014 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Oct 1, 2008 | Sep 30, 2014 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Oct 1, 2008 | Sep 30, 2014 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2014 | — | |
| Oct 1, 2008 | Sep 30, 2014 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2014 | — | |
| Oct 1, 2008 | Sep 30, 2014 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Oct 1, 2008 | Sep 30, 2014 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Sep 30, 2014 | — | |
| Oct 1, 2005 | Oct 31, 2005 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2005 | — | |
| Oct 1, 2005 | Oct 31, 2005 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2005 | — | |
| Oct 1, 2005 | Oct 31, 2005 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2005 | — | |
| Oct 1, 2005 | Oct 31, 2005 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2005 | — | |
| Oct 1, 2005 | Oct 31, 2005 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2005 | — | |
| Jul 1, 1996 | Jun 30, 1997 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 1997 | — | |
| Jul 1, 1996 | Jun 30, 1997 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 1997 | — | |
| Jul 1, 1996 | Jun 30, 1997 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 1997 | — | |
| Oct 1, 1995 | Sep 30, 1996 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 1996 | — | |
| Oct 1, 1995 | Sep 30, 1996 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 1996 | — | |
| Oct 1, 1995 | Sep 30, 1996 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 1996 | — | |
| Jul 1, 1995 | Jul 31, 1995 | MR | No | Yes | — | — | — | Resolved | Jul 31, 1995 | — | |
| Jul 1, 1995 | Jul 31, 1995 | MR | No | Yes | — | — | — | Resolved | Jul 31, 1995 | — | |
| Jul 1, 1995 | Jul 31, 1995 | MR | No | Yes | — | — | — | Resolved | Jul 31, 1995 | — | |
| Jul 1, 1995 | Jul 31, 1995 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Jul 31, 1995 | — | |
| Jul 1, 1995 | Jul 31, 1995 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Jul 31, 1995 | — | |
| Jul 1, 1995 | Jul 31, 1995 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Jul 31, 1995 | — | |
| Sep 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 1 mg/L | — | Resolved | Sep 30, 1994 | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.