WEST OKOBOJI
Iowa — Community Water System — PWSID: IA3090081
System Information
| PWSID | IA3090081 |
| System Name | WEST OKOBOJI |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 27, 1979 |
| Last Reported | Dec 19, 2025 |
Location & Contact
| State | Iowa |
| City | MILFORD |
| ZIP Code | 51351 |
| Address | ATTN WATER SUPT |
| Organization | WEST OKOBOJI WATER DEPARTMENT |
| Phone | 712-332-1244 |
Population & Service
| Population Served | 308 |
| Service Connections | 351 |
Drinking Water Violations (28)
This water system has 28 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2011 | Jun 30, 2011 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2011 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2011 | Jun 30, 2011 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2011 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2011 | Jun 30, 2011 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2011 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2011 | Jun 30, 2011 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2011 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2011 | Jun 30, 2011 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2011 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2011 | Jun 30, 2011 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2011 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 1993 | Oct 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1993 | Total Coliform Rule |
| Oct 1, 1993 | Oct 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1993 | Total Coliform Rule |
| Oct 1, 1993 | Oct 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1993 | Total Coliform Rule |
| Oct 1, 1993 | Oct 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1993 | Total Coliform Rule |
| Oct 1, 1993 | Oct 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1993 | Total Coliform Rule |
| Oct 1, 1993 | Oct 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1993 | Total Coliform Rule |
| Aug 1, 1992 | Aug 31, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1992 | Total Coliform Rule |
| Aug 1, 1992 | Aug 31, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1992 | Total Coliform Rule |
| Aug 1, 1992 | Aug 31, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1992 | Total Coliform Rule |
| Aug 1, 1992 | Aug 31, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1992 | Total Coliform Rule |
| Jun 1, 1992 | Jun 30, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1992 | Total Coliform Rule |
| Jun 1, 1992 | Jun 30, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1992 | Total Coliform Rule |
| Jun 1, 1992 | Jun 30, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1992 | Total Coliform Rule |
| Jun 1, 1992 | Jun 30, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1992 | Total Coliform Rule |
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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.