DOW CITY WATER WORKS
Iowa — Community Water System — PWSID: IA2427049
System Information
| PWSID | IA2427049 |
| System Name | DOW CITY WATER WORKS |
| 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 | DOW CITY |
| ZIP Code | 51528 |
| Address | ATTN WATER SUPT |
| Organization | DOW CITY WATER WORKS |
| Phone | 712-674-3350 |
Population & Service
| Population Served | 467 |
| Service Connections | 255 |
Drinking Water Violations (79)
This water system has 79 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 1, 2020 | May 31, 2020 | MR | No | Yes | — | 10 mg/L | — | Resolved | May 31, 2020 | — | |
| May 1, 2020 | May 31, 2020 | MR | No | Yes | — | 10 mg/L | — | Resolved | May 31, 2020 | — | |
| May 1, 2020 | May 31, 2020 | MR | No | Yes | — | 10 mg/L | — | Resolved | May 31, 2020 | — | |
| May 1, 2020 | May 31, 2020 | MR | No | Yes | — | 10 mg/L | — | Resolved | May 31, 2020 | — | |
| Jan 1, 2020 | Jan 31, 2020 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jan 31, 2020 | — | |
| Jan 1, 2020 | Jan 31, 2020 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jan 31, 2020 | — | |
| Jan 1, 2020 | Jan 31, 2020 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jan 31, 2020 | — | |
| Jan 1, 2020 | Jan 31, 2020 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jan 31, 2020 | — | |
| Nov 1, 2019 | Nov 30, 2019 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2019 | — | |
| Nov 1, 2019 | Nov 30, 2019 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2019 | — | |
| Nov 1, 2019 | Nov 30, 2019 | MR | No | Yes | — | 10 mg/L | — | Resolved | Nov 30, 2019 | — | |
| Nov 1, 2019 | Nov 30, 2019 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2019 | — | |
| Nov 1, 2019 | Nov 30, 2019 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2019 | — | |
| Nov 1, 2019 | Nov 30, 2019 | MR | No | Yes | — | 10 mg/L | — | Resolved | Nov 30, 2019 | — | |
| Nov 1, 2019 | Nov 30, 2019 | MR | No | Yes | — | 10 mg/L | — | Resolved | Nov 30, 2019 | — | |
| Nov 1, 2019 | Nov 30, 2019 | MR | No | Yes | — | 10 mg/L | — | Resolved | Nov 30, 2019 | — | |
| Oct 1, 2016 | Oct 31, 2016 | MCL | Yes | No | 12 MG/L | 10 mg/L | — | Resolved | Oct 31, 2016 | — | |
| Oct 1, 2016 | Oct 31, 2016 | MCL | Yes | No | 12 MG/L | 10 mg/L | — | Resolved | Oct 31, 2016 | — | |
| Oct 1, 2016 | Oct 31, 2016 | MCL | Yes | No | 12 MG/L | 10 mg/L | — | Resolved | Oct 31, 2016 | — | |
| Oct 1, 2016 | Oct 31, 2016 | MCL | Yes | No | 12 MG/L | 10 mg/L | — | Resolved | Oct 31, 2016 | — | |
| Nov 1, 2004 | Nov 30, 2004 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2004 | — | |
| Nov 1, 2004 | Nov 30, 2004 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2004 | — | |
| Nov 1, 2004 | Nov 30, 2004 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2004 | — | |
| Nov 1, 2004 | Nov 30, 2004 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2004 | — | |
| Oct 1, 1999 | Dec 31, 1999 | MCL | Yes | No | 11 | 10 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Oct 1, 1999 | Dec 31, 1999 | MCL | Yes | No | 11 | 10 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Oct 1, 1999 | Dec 31, 1999 | MCL | Yes | No | 11 | 10 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Oct 1, 1999 | Dec 31, 1999 | MCL | Yes | No | 11 | 10 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Oct 1, 1999 | Dec 31, 1999 | MCL | Yes | No | 11 | 10 mg/L | — | Resolved | Dec 31, 1999 | — | |
| Jul 1, 1996 | Jul 31, 1996 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1996 | — | |
| Jul 1, 1996 | Jul 31, 1996 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1996 | — | |
| Jul 1, 1996 | Jul 31, 1996 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1996 | — | |
| Feb 1, 1996 | Feb 29, 1996 | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 1996 | — | |
| Feb 1, 1996 | Feb 29, 1996 | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 1996 | — | |
| Feb 1, 1996 | Feb 29, 1996 | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 1996 | — | |
| Jan 1, 1995 | Jan 31, 1995 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Jan 31, 1995 | — | |
| Jan 1, 1995 | Jan 31, 1995 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Jan 31, 1995 | — | |
| Jan 1, 1995 | Jan 31, 1995 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Jan 31, 1995 | — | |
| Jan 1, 1995 | Jan 31, 1995 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Jan 31, 1995 | — | |
| Jan 1, 1995 | Jan 31, 1995 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Jan 31, 1995 | — | |
| Jan 1, 1995 | Jan 31, 1995 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Jan 31, 1995 | — | |
| Jan 1, 1995 | Jan 31, 1995 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Jan 31, 1995 | — | |
| Jan 1, 1995 | Jan 31, 1995 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Jan 31, 1995 | — | |
| Jan 1, 1994 | Jan 31, 1994 | MR | No | Yes | — | 1 mg/L | — | Resolved | Jan 31, 1994 | — | |
| Jan 1, 1994 | Jan 31, 1994 | MR | No | Yes | — | 1 mg/L | — | Resolved | Jan 31, 1994 | — | |
| Jan 1, 1994 | Jan 31, 1994 | MR | No | Yes | — | 1 mg/L | — | Resolved | Jan 31, 1994 | — | |
| Jan 1, 1994 | Jan 31, 1994 | MR | No | Yes | — | 1 mg/L | — | Resolved | Jan 31, 1994 | — | |
| Jan 1, 1994 | Jan 31, 1994 | MR | No | Yes | — | 1 mg/L | — | Resolved | Jan 31, 1994 | — | |
| Apr 1, 1993 | Mar 31, 1994 | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 1994 | — | |
| Apr 1, 1993 | Mar 31, 1994 | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 1994 | — |
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.