MALLARD WATER SUPPLY
Iowa — Community Water System — PWSID: IA7450019
System Information
| PWSID | IA7450019 |
| System Name | MALLARD 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 | MALLARD |
| ZIP Code | 50562 |
| Address | ATTN SCOTT DAVIS WATER SUPT |
| Organization | MALLARD WATER SUPPLY |
| Phone | 712-425-3529 |
Population & Service
| Population Served | 257 |
| Service Connections | 163 |
Drinking Water Violations (224)
This water system has 224 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .014 MG/L | 0.010 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .014 MG/L | 0.010 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .014 MG/L | 0.010 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .014 MG/L | 0.010 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .014 MG/L | 0.010 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .014 MG/L | 0.010 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .014 MG/L | 0.010 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .014 MG/L | 0.010 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .014 MG/L | 0.010 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .014 MG/L | 0.010 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .014 MG/L | 0.010 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | .01 MG/L | 0.010 mg/L | — | Resolved | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | .01 MG/L | 0.010 mg/L | — | Resolved | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | .01 MG/L | 0.010 mg/L | — | Resolved | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | .01 MG/L | 0.010 mg/L | — | Resolved | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | .01 MG/L | 0.010 mg/L | — | Resolved | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | .01 MG/L | 0.010 mg/L | — | Resolved | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | .01 MG/L | 0.010 mg/L | — | Resolved | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | .01 MG/L | 0.010 mg/L | — | Resolved | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | .01 MG/L | 0.010 mg/L | — | Resolved | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | .01 MG/L | 0.010 mg/L | — | Resolved | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | .01 MG/L | 0.010 mg/L | — | Resolved | Mar 31, 2024 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | — | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | — | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | — | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | — | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | — | Resolved | Jun 30, 2022 | — |
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.