LACONA WATER SUPPLY
Iowa — Community Water System — PWSID: IA9138041
System Information
| PWSID | IA9138041 |
| System Name | LACONA 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 | Dec 19, 2025 |
Location & Contact
| State | Iowa |
| City | LACONA |
| ZIP Code | 50139 |
| Address | ATTN WATER SUPERINTENDENT BEN WARD |
| Organization | LACONA WATER SUPPLY |
| Phone | 641-534-3904 |
Population & Service
| Population Served | 361 |
| Service Connections | 171 |
Drinking Water Violations (26)
This water system has 26 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2015 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 6, 2015 | Consumer Confidence Rule |
| Jul 1, 2015 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 6, 2015 | Consumer Confidence Rule |
| Jul 1, 2015 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 6, 2015 | Consumer Confidence Rule |
| Jul 1, 2015 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 6, 2015 | Consumer Confidence Rule |
| Jul 1, 2015 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 6, 2015 | Consumer Confidence Rule |
| May 1, 2012 | May 31, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2012 | Total Coliform Rule |
| May 1, 2012 | May 31, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2012 | Total Coliform Rule |
| May 1, 2012 | May 31, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2012 | Total Coliform Rule |
| May 1, 2012 | May 31, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2012 | Total Coliform Rule |
| Aug 1, 2006 | Aug 31, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2006 | Total Coliform Rule |
| Aug 1, 2006 | Aug 31, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2006 | Total Coliform Rule |
| Aug 1, 2006 | Aug 31, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2006 | Total Coliform Rule |
| Aug 1, 2006 | Aug 31, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2006 | Total Coliform Rule |
| Aug 1, 2006 | Aug 31, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2006 | Total Coliform Rule |
| Aug 1, 2006 | Aug 31, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2006 | Total Coliform Rule |
| Aug 1, 2006 | Aug 31, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2006 | Total Coliform Rule |
| Jul 1, 2006 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Dec 4, 2007 | Consumer Confidence Rule |
| Jul 1, 2006 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Dec 4, 2007 | Consumer Confidence Rule |
| Jul 1, 2006 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Dec 4, 2007 | Consumer Confidence Rule |
| Jul 1, 2006 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Dec 4, 2007 | Consumer Confidence Rule |
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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.