MARENGO WATER SUPPLY
Iowa - Community Water System - PWSID: IA4843033
System Information
| PWSID | IA4843033 |
| System Name | MARENGO 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 | MARENGO |
| ZIP Code | 52301 |
| Address | ATTN LONNIE ALTENHOFEN PUBLIC WORKS DIR |
| Organization | MARENGO WATER SUPPLY |
| Phone | 319-521-7043 |
Population & Service
| Population Served | 2,435 |
| Service Connections | 1,020 |
Drinking Water Violations (109)
This water system has 109 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, 2019 | Aug 31, 2019 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2019 | - | |
| Aug 1, 2019 | Aug 31, 2019 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2019 | - | |
| Aug 1, 2019 | Aug 31, 2019 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2019 | - | |
| Aug 1, 2019 | Aug 31, 2019 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2019 | - | |
| Aug 1, 2019 | Aug 31, 2019 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2019 | - | |
| Aug 1, 2019 | Aug 31, 2019 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2019 | - | |
| Aug 1, 2019 | Aug 31, 2019 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2019 | - | |
| Aug 1, 2019 | Aug 31, 2019 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2019 | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Jun 23, 2017 | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Jun 23, 2017 | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Jun 23, 2017 | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Jun 23, 2017 | - | |
| Oct 1, 2006 | Oct 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2006 | - | |
| Oct 1, 2006 | Oct 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2006 | - | |
| Oct 1, 2006 | Oct 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2006 | - | |
| Oct 1, 2006 | Oct 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2006 | - | |
| May 1, 2001 | May 31, 2001 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2001 | - | |
| May 1, 2001 | May 31, 2001 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2001 | - | |
| May 1, 2001 | May 31, 2001 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2001 | - | |
| May 1, 2001 | May 31, 2001 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2001 | - | |
| May 1, 2001 | May 31, 2001 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2001 | - | |
| May 1, 2001 | May 31, 2001 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2001 | - | |
| May 1, 2001 | May 31, 2001 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2001 | - | |
| Jul 1, 2000 | Jun 30, 2001 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Jun 30, 2001 | - | |
| Jul 1, 2000 | Jun 30, 2001 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Jun 30, 2001 | - | |
| Jul 1, 2000 | Jun 30, 2001 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Jun 30, 2001 | - | |
| Jul 1, 2000 | Jun 30, 2001 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Jun 30, 2001 | - | |
| Jul 1, 2000 | Jun 30, 2001 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Jun 30, 2001 | - | |
| Jul 1, 2000 | Jun 30, 2001 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Jun 30, 2001 | - | |
| Jul 1, 1997 | Jul 31, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1997 | - | |
| Jul 1, 1997 | Jul 31, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1997 | - | |
| Jul 1, 1997 | Jul 31, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1997 | - | |
| Jul 1, 1997 | Jul 31, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1997 | - | |
| Dec 1, 1995 | Dec 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1995 | - | |
| Dec 1, 1995 | Dec 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1995 | - | |
| Dec 1, 1995 | Dec 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1995 | - | |
| Dec 1, 1995 | Dec 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1992 | Mar 31, 1992 | MR | No | Yes | - | 10 mg/L | - | Resolved | Mar 31, 1992 | - | |
| Jan 1, 1992 | Mar 31, 1992 | MR | No | Yes | - | 10 mg/L | - | Resolved | Mar 31, 1992 | - | |
| Jan 1, 1992 | Mar 31, 1992 | MR | No | Yes | - | 10 mg/L | - | Resolved | Mar 31, 1992 | - | |
| Jan 1, 1992 | Mar 31, 1992 | MR | No | Yes | - | 10 mg/L | - | Resolved | Mar 31, 1992 | - | |
| Jan 1, 1992 | Mar 31, 1992 | MR | No | Yes | - | 10 mg/L | - | Resolved | Mar 31, 1992 | - | |
| Jan 1, 1992 | Mar 31, 1992 | MR | No | Yes | - | 10 mg/L | - | Resolved | Mar 31, 1992 | - | |
| Jan 1, 1992 | Mar 31, 1992 | MR | No | Yes | - | 10 mg/L | - | Resolved | Mar 31, 1992 | - | |
| Jan 1, 1992 | Mar 31, 1992 | MR | No | Yes | - | 10 mg/L | - | Resolved | Mar 31, 1992 | - | |
| Apr 1, 1991 | - | MR | No | No | - | TT | - | Resolved | Sep 5, 1991 | - | |
| Apr 1, 1991 | - | MR | No | No | - | TT | - | Resolved | Sep 5, 1991 | - | |
| Apr 1, 1991 | - | MR | No | No | - | TT | - | Resolved | Sep 5, 1991 | - | |
| Apr 1, 1991 | - | MR | No | No | - | TT | - | Resolved | Sep 5, 1991 | - | |
| Jan 1, 1991 | Mar 31, 1991 | MR | No | Yes | - | 10 mg/L | - | Resolved | Mar 31, 1991 | - |
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.