DEDHAM WATER SUPPLY
Iowa - Community Water System - PWSID: IA1433016
System Information
| PWSID | IA1433016 |
| System Name | DEDHAM WATER SUPPLY |
| System Type | Community Water System |
| Water Source | Ground Water Purchased |
| 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 | DEDHAM |
| ZIP Code | 51440 |
| Address | ATTN HEATHER BADDING |
| Organization | DEDHAM WATER SUPPLY |
| Phone | 712-830-4415 |
Population & Service
| Population Served | 221 |
| Service Connections | 120 |
Drinking Water Violations (203)
This water system has 203 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 1, 2025 | - | Other | No | No | - | - | - | Resolved | Sep 11, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Sep 11, 2025 | - | |
| Jun 1, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Oct 1, 2024 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Aug 1, 2023 | Aug 31, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2023 | - | |
| Aug 1, 2023 | Aug 31, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2023 | - | |
| Aug 1, 2023 | Aug 31, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2023 | - | |
| Aug 1, 2023 | Aug 31, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2023 | - | |
| Aug 1, 2023 | Aug 31, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2023 | - | |
| Aug 1, 2023 | Aug 31, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2023 | - | |
| Aug 1, 2023 | Aug 31, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2023 | - | |
| Aug 1, 2023 | Aug 31, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2023 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Oct 2, 2023 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Oct 2, 2023 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Oct 2, 2023 | - | |
| Jun 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Sep 23, 2024 | - | |
| Jun 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Sep 23, 2024 | - | |
| Jun 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Sep 23, 2024 | - | |
| Jun 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Sep 23, 2024 | - | |
| Sep 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Apr 26, 2023 | - | |
| Sep 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Apr 26, 2023 | - | |
| Aug 1, 2022 | Aug 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Aug 1, 2022 | Aug 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Aug 1, 2022 | Aug 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Aug 1, 2022 | Aug 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Aug 1, 2022 | Aug 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Aug 1, 2022 | Aug 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Aug 1, 2022 | Aug 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Aug 1, 2022 | Aug 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Mar 2, 2023 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Mar 2, 2023 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Mar 2, 2023 | - | |
| Mar 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Apr 26, 2023 | - | |
| Mar 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Apr 26, 2023 | - | |
| Mar 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Apr 26, 2023 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Archived | Aug 31, 2021 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Archived | Aug 31, 2021 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Archived | Aug 31, 2021 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Archived | Aug 31, 2021 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Archived | Aug 31, 2021 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Archived | Aug 31, 2021 | - | |
| Jul 1, 2021 | - | Other | No | No | - | - | - | Resolved | Sep 23, 2021 | - | |
| Jul 1, 2021 | - | Other | No | No | - | - | - | Resolved | Sep 23, 2021 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | .06 MG/L | 0.05 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | .06 MG/L | 0.05 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | .06 MG/L | 0.05 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | .06 MG/L | 0.05 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | .06 MG/L | 0.05 mg/L | - | Resolved | Dec 31, 2020 | - |
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.