MOUNT AYR WATER TREATMENT PLANT
Iowa — Community Water System — PWSID: IA8055014
System Information
| PWSID | IA8055014 |
| System Name | MOUNT AYR WATER TREATMENT PLANT |
| System Type | Community Water System |
| Water Source | Surface 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 | MOUNT AYR |
| ZIP Code | 50854 |
| Address | ATTN BRENT WISE WATER SUPT |
| Organization | MOUNT AYR WATER TREATMENT PLANT |
| Phone | 641-464-2402 |
Population & Service
| Population Served | 1,683 |
| Service Connections | 900 |
Drinking Water Violations (611)
This water system has 611 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 2022 | Jun 30, 2022 | MON | No | No | — | — | — | Resolved | Jun 30, 2022 | — | |
| Jun 1, 2022 | Jun 30, 2022 | MON | No | No | — | — | — | Resolved | Jun 30, 2022 | — | |
| Jun 1, 2022 | Jun 30, 2022 | MON | No | No | — | — | — | Resolved | Jun 30, 2022 | — | |
| Jun 1, 2022 | Jun 30, 2022 | MON | No | No | — | — | — | Resolved | Jun 30, 2022 | — | |
| Jun 1, 2022 | Jun 30, 2022 | MON | No | No | — | — | — | Resolved | Jun 30, 2022 | — | |
| Jun 1, 2018 | Jun 30, 2018 | MON | No | No | — | — | — | Archived | Jun 30, 2018 | — | |
| Jun 1, 2018 | Jun 30, 2018 | MON | No | No | — | — | — | Archived | Jun 30, 2018 | — | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | May 10, 2011 | — | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | May 10, 2011 | — | |
| Apr 1, 2011 | Apr 30, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2011 | — | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2011 | — | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | May 10, 2011 | — | |
| Apr 1, 2011 | Apr 30, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2011 | — | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2011 | — | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2011 | — | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2011 | — | |
| Apr 1, 2011 | Apr 30, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2011 | — | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2011 | — | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | May 10, 2011 | — | |
| Apr 1, 2011 | Apr 30, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2011 | — | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2011 | — | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2011 | — | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2011 | — | |
| Jan 1, 2002 | Mar 31, 2002 | MCL | Yes | No | .115 | 0.080 mg/L | — | Resolved | Mar 31, 2002 | — | |
| Jan 1, 2002 | Mar 31, 2002 | MCL | Yes | No | .115 | 0.080 mg/L | — | Resolved | Mar 31, 2002 | — | |
| Jan 1, 2002 | Mar 31, 2002 | MCL | Yes | No | .115 | 0.080 mg/L | — | Resolved | Mar 31, 2002 | — | |
| Jan 1, 2002 | Mar 31, 2002 | MCL | Yes | No | .115 | 0.080 mg/L | — | Resolved | Mar 31, 2002 | — | |
| Jan 1, 2002 | Mar 31, 2002 | MCL | Yes | No | .115 | 0.080 mg/L | — | Resolved | Mar 31, 2002 | — | |
| Oct 1, 2001 | Dec 31, 2001 | MCL | Yes | No | .11555 | 0.080 mg/L | — | Resolved | Dec 31, 2001 | — | |
| Oct 1, 2001 | Dec 31, 2001 | MCL | Yes | No | .11555 | 0.080 mg/L | — | Resolved | Dec 31, 2001 | — | |
| Oct 1, 2001 | Dec 31, 2001 | MCL | Yes | No | .11555 | 0.080 mg/L | — | Resolved | Dec 31, 2001 | — | |
| Oct 1, 2001 | Dec 31, 2001 | MCL | Yes | No | .11555 | 0.080 mg/L | — | Resolved | Dec 31, 2001 | — | |
| Oct 1, 2001 | Dec 31, 2001 | MCL | Yes | No | .11555 | 0.080 mg/L | — | Resolved | Dec 31, 2001 | — | |
| Oct 1, 2001 | Dec 31, 2001 | MCL | Yes | No | .11555 | 0.080 mg/L | — | Resolved | Dec 31, 2001 | — | |
| Oct 1, 2001 | Dec 31, 2001 | MCL | Yes | No | .11555 | 0.080 mg/L | — | Resolved | Dec 31, 2001 | — | |
| Oct 1, 2001 | Dec 31, 2001 | MCL | Yes | No | .11555 | 0.080 mg/L | — | Resolved | Dec 31, 2001 | — | |
| Jul 1, 2001 | Sep 30, 2001 | MCL | Yes | No | .1369 | 0.080 mg/L | — | Resolved | Sep 30, 2001 | — | |
| Jul 1, 2001 | Sep 30, 2001 | MCL | Yes | No | .1369 | 0.080 mg/L | — | Resolved | Sep 30, 2001 | — | |
| Jul 1, 2001 | Sep 30, 2001 | MCL | Yes | No | .1369 | 0.080 mg/L | — | Resolved | Sep 30, 2001 | — | |
| Jul 1, 2001 | Sep 30, 2001 | MCL | Yes | No | .1369 | 0.080 mg/L | — | Resolved | Sep 30, 2001 | — | |
| Jul 1, 2001 | Sep 30, 2001 | MCL | Yes | No | .1369 | 0.080 mg/L | — | Resolved | Sep 30, 2001 | — | |
| Jul 1, 2001 | Sep 30, 2001 | MCL | Yes | No | .1369 | 0.080 mg/L | — | Resolved | Sep 30, 2001 | — | |
| Jul 1, 2001 | Sep 30, 2001 | MCL | Yes | No | .1369 | 0.080 mg/L | — | Resolved | Sep 30, 2001 | — | |
| Jul 1, 2001 | Sep 30, 2001 | MCL | Yes | No | .1369 | 0.080 mg/L | — | Resolved | Sep 30, 2001 | — | |
| Jan 1, 2001 | Mar 31, 2001 | MCL | Yes | No | .115 | 0.080 mg/L | — | Resolved | Mar 31, 2001 | — | |
| Jan 1, 2001 | Mar 31, 2001 | MCL | Yes | No | .115 | 0.080 mg/L | — | Resolved | Mar 31, 2001 | — | |
| Jan 1, 2001 | Mar 31, 2001 | MCL | Yes | No | .115 | 0.080 mg/L | — | Resolved | Mar 31, 2001 | — | |
| Jan 1, 2001 | Mar 31, 2001 | MCL | Yes | No | .115 | 0.080 mg/L | — | Resolved | Mar 31, 2001 | — | |
| Jan 1, 2001 | Mar 31, 2001 | MCL | Yes | No | .115 | 0.080 mg/L | — | Resolved | Mar 31, 2001 | — | |
| Oct 1, 2000 | Dec 31, 2000 | MCL | Yes | No | .111 | 0.080 mg/L | — | Resolved | Dec 31, 2000 | — |
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.