OKOBOJI CAMP OWNERS COOPERATIVE
Iowa — Community Water System — PWSID: IA3070473
System Information
| PWSID | IA3070473 |
| System Name | OKOBOJI CAMP OWNERS COOPERATIVE |
| System Type | Community Water System |
| Water Source | Ground Water Purchased |
| Activity Status | Inactive |
| Owner Type | Private |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 27, 1979 |
| Last Reported | Jun 26, 2025 |
Location & Contact
| State | Iowa |
| City | SIBLEY |
| ZIP Code | 51249 |
| Address | ATTN DAVE HENNINGSEN |
| Organization | OKOBOJI CAMP OWNERS |
| Phone | 712-330-9699 |
Population & Service
| Population Served | 103 |
| Service Connections | 152 |
Drinking Water Violations (67)
This water system has 67 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2017 | Sep 30, 2017 | TTHM | MCL | Yes | No | .081 MG/L | 0.080 mg/L | — | Resolved | Sep 30, 2017 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2017 | Sep 30, 2017 | TTHM | MCL | Yes | No | .081 MG/L | 0.080 mg/L | — | Resolved | Sep 30, 2017 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2017 | Sep 30, 2017 | TTHM | MCL | Yes | No | .081 MG/L | 0.080 mg/L | — | Resolved | Sep 30, 2017 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2017 | Sep 30, 2017 | TTHM | MCL | Yes | No | .081 MG/L | 0.080 mg/L | — | Resolved | Sep 30, 2017 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2017 | Jun 30, 2017 | TTHM | MCL | Yes | No | .081 MG/L | 0.080 mg/L | — | Resolved | Jun 30, 2017 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2017 | Jun 30, 2017 | TTHM | MCL | Yes | No | .081 MG/L | 0.080 mg/L | — | Resolved | Jun 30, 2017 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2017 | Jun 30, 2017 | TTHM | MCL | Yes | No | .081 MG/L | 0.080 mg/L | — | Resolved | Jun 30, 2017 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2017 | Jun 30, 2017 | TTHM | MCL | Yes | No | .081 MG/L | 0.080 mg/L | — | Resolved | Jun 30, 2017 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| May 1, 2000 | May 31, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2000 | Total Coliform Rule |
| May 1, 2000 | May 31, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2000 | Total Coliform Rule |
| May 1, 2000 | May 31, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2000 | Total Coliform Rule |
| May 1, 2000 | May 31, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2000 | Total Coliform Rule |
| Dec 1, 1997 | Dec 31, 1997 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1997 | Total Coliform Rule |
| Dec 1, 1997 | Dec 31, 1997 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1997 | Total Coliform Rule |
| Dec 1, 1997 | Dec 31, 1997 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1997 | Total Coliform Rule |
| Apr 1, 1997 | Apr 30, 1997 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 1997 | Total Coliform Rule |
| Apr 1, 1997 | Apr 30, 1997 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 1997 | Total Coliform Rule |
| Apr 1, 1997 | Apr 30, 1997 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 1997 | Total Coliform Rule |
| Aug 1, 1995 | Aug 31, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1995 | Total Coliform Rule |
| Aug 1, 1995 | Aug 31, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1995 | Total Coliform Rule |
| Aug 1, 1995 | Aug 31, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1995 | Total Coliform Rule |
| Oct 1, 1994 | Oct 31, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1994 | Total Coliform Rule |
| Oct 1, 1994 | Oct 31, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1994 | Total Coliform Rule |
| Oct 1, 1994 | Oct 31, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1994 | Total Coliform Rule |
| Oct 1, 1994 | Oct 31, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1994 | Total Coliform Rule |
| Jul 1, 1994 | Jul 31, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1994 | Total Coliform Rule |
| Jul 1, 1994 | Jul 31, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1994 | Total Coliform Rule |
| Jul 1, 1994 | Jul 31, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1994 | Total Coliform Rule |
| Jul 1, 1994 | Jul 31, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1994 | Total Coliform Rule |
| Jul 1, 1994 | Jul 31, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1994 | Total Coliform Rule |
| Jul 1, 1994 | Jul 31, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1994 | Total Coliform Rule |
| Oct 1, 1991 | Oct 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1991 | Total Coliform Rule |
| Oct 1, 1991 | Oct 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1991 | Total Coliform Rule |
| Oct 1, 1991 | Oct 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1991 | Total Coliform Rule |
| Sep 30, 1980 | Sep 29, 1983 | 2,4-D | MR | No | No | — | 0.07 mg/L | — | Archived | Sep 29, 1983 | Synthetic Organic Chemicals |
| Sep 30, 1980 | Sep 29, 1983 | Combined Radium (-226 and -228) | MR | No | No | — | 5 pCi/L | — | Archived | Sep 29, 1983 | Radionuclides and Revised Rad Rule |
| Sep 30, 1980 | Sep 29, 1981 | Selenium | MR | No | No | — | 0.05 mg/L | — | Archived | Sep 29, 1981 | Inorganic Chemicals |
| Sep 30, 1980 | Sep 29, 1983 | 38-STRONTIUM-90 | MR | No | No | — | — | — | Archived | Sep 29, 1983 | Radionuclides and Revised Rad Rule |
| Sep 30, 1980 | Sep 29, 1981 | Nitrate | MR | No | No | — | 10 mg/L | — | Archived | Sep 29, 1981 | Nitrate Rule |
| Sep 30, 1980 | Sep 29, 1983 | Gross Alpha, Excl. Radon and U | MR | No | No | — | 15 pCi/L | — | Archived | Sep 29, 1983 | Radionuclides and Revised Rad Rule |
| Sep 30, 1980 | Sep 29, 1983 | Toxaphene | MR | No | No | — | 0.003 mg/L | — | Archived | Sep 29, 1983 | Synthetic Organic Chemicals |
| Sep 30, 1980 | Sep 29, 1983 | BHC-GAMMA | MR | No | No | — | 0.0002 mg/L | — | Archived | Sep 29, 1983 | Synthetic Organic Chemicals |
| Sep 30, 1980 | Sep 29, 1981 | Cadmium | MR | No | No | — | 0.005 mg/L | — | Archived | Sep 29, 1981 | Inorganic Chemicals |
| Sep 30, 1980 | Sep 29, 1983 | Gross Beta Particle Activity | MR | No | No | — | 4 mrem/yr | — | Archived | Sep 29, 1983 | Radionuclides and Revised Rad Rule |
| Sep 30, 1980 | Sep 29, 1981 | Mercury | MR | No | No | — | 0.002 mg/L | — | Archived | Sep 29, 1981 | Inorganic Chemicals |
| Sep 30, 1980 | Sep 29, 1981 | Fluoride | MR | No | No | — | 4.0 mg/L | — | Archived | Sep 29, 1981 | Inorganic Chemicals |
| Sep 30, 1980 | Sep 29, 1983 | Endrin | MR | No | No | — | 0.002 mg/L | — | Archived | Sep 29, 1983 | Synthetic Organic Chemicals |
| Sep 30, 1980 | Sep 29, 1981 | Chromium | MR | No | No | — | 0.1 mg/L | — | Archived | Sep 29, 1981 | Inorganic Chemicals |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — |
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.