PLYMOUTH WATER SUPPLY
Iowa — Community Water System — PWSID: IA1759048
System Information
| PWSID | IA1759048 |
| System Name | PLYMOUTH 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 | Mar 17, 2026 |
Location & Contact
| State | Iowa |
| City | PLYMOUTH |
| ZIP Code | 50464 |
| Address | ATTN PUBLIC WORKS |
| Organization | PLYMOUTH WATER SUPPLY |
| Phone | 641-696-3363 |
Population & Service
| Population Served | 378 |
| Service Connections | 175 |
Drinking Water Violations (119)
This water system has 119 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 1, 2025 | Aug 31, 2025 | MR | No | Yes | — | 0.060 mg/L | — | Archived | Aug 31, 2025 | — | |
| Aug 1, 2025 | Aug 31, 2025 | MR | No | Yes | — | 0.080 mg/L | — | Archived | Aug 31, 2025 | — | |
| Jul 25, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Jul 25, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Jul 25, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Apr 1, 2024 | Mar 31, 2025 | MR | No | Yes | — | 10 mg/L | — | Archived | Mar 31, 2025 | — | |
| Apr 1, 2024 | Mar 31, 2025 | MR | No | Yes | — | 10 mg/L | — | Archived | Mar 31, 2025 | — | |
| Dec 1, 2022 | — | MR | No | No | — | TT | — | Resolved | Feb 17, 2023 | — | |
| Dec 1, 2022 | — | MR | No | No | — | TT | — | Resolved | Feb 17, 2023 | — | |
| Dec 1, 2022 | — | MR | No | No | — | TT | — | Resolved | Feb 17, 2023 | — | |
| Jun 1, 2021 | — | MR | No | No | — | TT | — | Resolved | Oct 12, 2022 | — | |
| Jun 1, 2021 | — | MR | No | No | — | TT | — | Resolved | Oct 12, 2022 | — | |
| Jun 1, 2021 | — | MR | No | No | — | TT | — | Resolved | Oct 12, 2022 | — | |
| Jun 1, 2021 | — | MR | No | No | — | TT | — | Resolved | Oct 12, 2022 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 1 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.5 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.5 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.5 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2018 | Sep 30, 2024 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Sep 30, 2024 | — |
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.