MONMOUTH WATER SUPPLY
Iowa — Community Water System — PWSID: IA4955001
System Information
| PWSID | IA4955001 |
| System Name | MONMOUTH 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 7, 1984 |
| Last Reported | Dec 19, 2025 |
Location & Contact
| State | Iowa |
| City | MONMOUTH |
| ZIP Code | 52309 |
| Address | ATTN WATER SUPERINTENDENT |
| Organization | MONMOUTH WATER SUPPLY |
| Phone | 563-212-0543 |
Population & Service
| Population Served | 129 |
| Service Connections | 80 |
Drinking Water Violations (51)
This water system has 51 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, 2015 | Mar 31, 2024 | Selenium | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Mercury | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Mercury | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Mercury | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Mercury | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Selenium | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Beryllium, Total | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Selenium | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Selenium | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Thallium, Total | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Thallium, Total | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Thallium, Total | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Thallium, Total | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Antimony, Total | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Beryllium, Total | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | CYANIDE | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | CYANIDE | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | CYANIDE | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | CYANIDE | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Antimony, Total | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Beryllium, Total | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Beryllium, Total | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Antimony, Total | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Antimony, Total | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2024 | Arsenic Rule |
| Apr 1, 2015 | Mar 31, 2024 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2024 | Arsenic Rule |
| Apr 1, 2015 | Mar 31, 2024 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2024 | Arsenic Rule |
| Apr 1, 2015 | Mar 31, 2024 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2024 | Arsenic Rule |
| Apr 1, 2015 | Mar 31, 2024 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Apr 1, 2015 | Mar 31, 2024 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 2024 | Inorganic Chemicals |
| Jan 1, 1998 | Mar 31, 1998 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 1998 | Nitrate Rule |
| Jan 1, 1998 | Mar 31, 1998 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 1998 | Nitrate Rule |
| Jan 1, 1998 | Mar 31, 1998 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 1998 | Nitrate Rule |
| Jul 1, 1995 | Jul 31, 1995 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 1995 | Total Coliform Rule |
| Jul 1, 1995 | Jul 31, 1995 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 1995 | Total Coliform Rule |
| Jul 1, 1995 | Jul 31, 1995 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 1995 | Total Coliform Rule |
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.