POMEROY WATER SUPPLY
Iowa — Community Water System — PWSID: IA1363051
System Information
| PWSID | IA1363051 |
| System Name | POMEROY WATER SUPPLY |
| System Type | Community Water System |
| Water Source | Ground Water |
| 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 | POMEROY |
| ZIP Code | 50575 |
| Address | ATTN DIRECTOR PUBLIC WORKS |
| Organization | POMEROY WATER SUPPLY |
| Phone | 712-468-2411 |
Population & Service
| Population Served | 671 |
| Service Connections | 301 |
Drinking Water Violations (37)
This water system has 37 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, 2025 | Sep 30, 2025 | Nitrite | MCL | Yes | No | 2.35 MG/L | 1 mg/L | — | Resolved | Aug 6, 2025 | Nitrate Rule |
| Jul 1, 2025 | Sep 30, 2025 | Nitrite | MCL | Yes | No | 2.35 MG/L | 1 mg/L | — | Resolved | Aug 6, 2025 | Nitrate Rule |
| Jul 1, 2025 | Sep 30, 2025 | Nitrite | MCL | Yes | No | 2.35 MG/L | 1 mg/L | — | Resolved | Aug 6, 2025 | Nitrate Rule |
| Jul 1, 2025 | Sep 30, 2025 | Nitrite | MCL | Yes | No | 2.35 MG/L | 1 mg/L | — | Resolved | Aug 6, 2025 | Nitrate Rule |
| Jul 1, 2025 | Sep 30, 2025 | Nitrite | MCL | Yes | No | 2.35 MG/L | 1 mg/L | — | Resolved | Aug 6, 2025 | Nitrate Rule |
| May 1, 2025 | May 31, 2025 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | May 31, 2025 | Revised Total Coliform Rule |
| May 1, 2025 | May 31, 2025 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | May 31, 2025 | Revised Total Coliform Rule |
| May 1, 2025 | May 31, 2025 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | May 31, 2025 | Revised Total Coliform Rule |
| May 1, 2025 | May 31, 2025 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | May 31, 2025 | Revised Total Coliform Rule |
| Oct 1, 2024 | Oct 31, 2024 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Oct 31, 2024 | Revised Total Coliform Rule |
| Oct 1, 2024 | Oct 31, 2024 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Oct 31, 2024 | Revised Total Coliform Rule |
| Oct 1, 2024 | Oct 31, 2024 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Oct 31, 2024 | Revised Total Coliform Rule |
| Oct 1, 2024 | Oct 31, 2024 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Oct 31, 2024 | Revised Total Coliform Rule |
| Jul 1, 2024 | Sep 30, 2024 | Nitrite | MR | No | Yes | — | 1 mg/L | — | Resolved | Sep 30, 2024 | Nitrate Rule |
| Jul 1, 2024 | Sep 30, 2024 | Nitrite | MR | No | Yes | — | 1 mg/L | — | Resolved | Sep 30, 2024 | Nitrate Rule |
| Jul 1, 2024 | Sep 30, 2024 | Nitrite | MR | No | Yes | — | 1 mg/L | — | Resolved | Sep 30, 2024 | Nitrate Rule |
| Jul 1, 2024 | Sep 30, 2024 | Nitrite | MR | No | Yes | — | 1 mg/L | — | Resolved | Sep 30, 2024 | Nitrate Rule |
| Apr 1, 2016 | Apr 30, 2016 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2016 | Total Coliform Rule |
| Apr 1, 2016 | Apr 30, 2016 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2016 | Total Coliform Rule |
| Apr 1, 2016 | Apr 30, 2016 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2016 | Total Coliform Rule |
| Apr 1, 2016 | Apr 30, 2016 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2016 | Total Coliform Rule |
| Jan 1, 2009 | Dec 31, 2009 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2009 | Nitrate Rule |
| Jan 1, 2009 | Dec 31, 2009 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2009 | Nitrate Rule |
| Jan 1, 2009 | Dec 31, 2009 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2009 | Nitrate Rule |
| Jan 1, 2009 | Dec 31, 2009 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2009 | Nitrate Rule |
| Oct 1, 2006 | Oct 31, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2006 | Total Coliform Rule |
| Oct 1, 2006 | Dec 31, 2006 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2006 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2006 | Dec 31, 2006 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2006 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2006 | Dec 31, 2006 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2006 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2006 | Dec 31, 2006 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2006 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2006 | Oct 31, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2006 | Total Coliform Rule |
| Oct 1, 2006 | Oct 31, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2006 | Total Coliform Rule |
| Oct 1, 2006 | Oct 31, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2006 | Total Coliform Rule |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | 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.