FAIRFIELD WATER SUPPLY
Iowa — Community Water System — PWSID: IA5131033
System Information
| PWSID | IA5131033 |
| System Name | FAIRFIELD 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 | FAIRFIELD |
| ZIP Code | 52556 |
| Address | ATTN JEFF DUNBAR |
| Organization | FAIRFIELD WATERWORKS |
| Phone | 641-472-5713 |
Population & Service
| Population Served | 9,821 |
| Service Connections | 5,250 |
Drinking Water Violations (54)
This water system has 54 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 5 pCi/L | — | Archived | Dec 31, 2025 | — | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2013 | — | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2013 | — | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2013 | — | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2013 | — | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2013 | — | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2013 | — | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2013 | — | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2013 | — | |
| Dec 1, 2004 | Dec 31, 2004 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2004 | — | |
| Dec 1, 2004 | Dec 31, 2004 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2004 | — | |
| Dec 1, 2004 | Dec 31, 2004 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2004 | — | |
| Dec 1, 2004 | Dec 31, 2004 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2004 | — | |
| Dec 1, 2004 | Dec 31, 2004 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2004 | — | |
| Jul 1, 1998 | Jul 31, 1998 | TT | Yes | No | — | — | — | Archived | Jul 31, 1998 | — | |
| May 1, 1998 | May 31, 1998 | TT | Yes | No | — | — | — | Archived | May 31, 1998 | — | |
| Aug 1, 1997 | Aug 31, 1997 | TT | Yes | No | — | — | — | Archived | Aug 31, 1997 | — | |
| Jul 1, 1997 | Jul 31, 1997 | TT | Yes | No | — | — | — | Archived | Jul 31, 1997 | — | |
| Jun 1, 1997 | Jun 30, 1997 | TT | Yes | No | — | — | — | Archived | Jun 30, 1997 | — | |
| Apr 1, 1996 | Jun 30, 1996 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Jun 30, 1996 | — | |
| Apr 1, 1996 | Jun 30, 1996 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Jun 30, 1996 | — | |
| Apr 1, 1996 | Jun 30, 1996 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Jun 30, 1996 | — | |
| Apr 1, 1996 | Jun 30, 1996 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Jun 30, 1996 | — | |
| Jan 1, 1995 | Jan 31, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 1995 | — | |
| Jan 1, 1995 | Jan 31, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 1995 | — | |
| Jan 1, 1995 | Jan 31, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 1995 | — | |
| Jan 1, 1995 | Jan 31, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 1995 | — | |
| Oct 1, 1994 | Oct 31, 1994 | TT | Yes | No | — | — | — | Archived | Oct 31, 1994 | — | |
| Sep 1, 1994 | Sep 30, 1994 | TT | Yes | No | — | — | — | Archived | Sep 30, 1994 | — | |
| Jul 1, 1994 | Jul 31, 1994 | TT | Yes | No | — | — | — | Archived | Jul 31, 1994 | — | |
| Aug 1, 1993 | Aug 31, 1993 | TT | Yes | No | — | — | — | Archived | Aug 31, 1993 | — | |
| Jul 1, 1993 | Jul 31, 1993 | TT | Yes | No | — | — | — | Archived | Jul 31, 1993 | — | |
| Jun 1, 1993 | Jun 30, 1993 | TT | Yes | No | — | — | — | Archived | Jun 30, 1993 | — | |
| May 1, 1993 | May 31, 1993 | TT | Yes | No | — | — | — | Archived | May 31, 1993 | — | |
| Apr 1, 1993 | Apr 30, 1993 | TT | Yes | No | — | — | — | Archived | Apr 30, 1993 | — | |
| Jun 25, 1984 | Jun 24, 1985 | MR | No | Yes | — | 10 mg/L | — | Archived | Jun 24, 1985 | — | |
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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.