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 | Dec 19, 2025 |
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 (38)
This water system has 38 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, 2013 | Jul 31, 2013 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2013 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2013 | Jul 31, 2013 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2013 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2013 | Jul 31, 2013 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2013 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2013 | Jul 31, 2013 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2013 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2013 | Jul 31, 2013 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2013 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2013 | Jul 31, 2013 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2013 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2013 | Jul 31, 2013 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2013 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2013 | Jul 31, 2013 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2013 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Dec 1, 2004 | Dec 31, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2004 | Total Coliform Rule |
| Dec 1, 2004 | Dec 31, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2004 | Total Coliform Rule |
| Dec 1, 2004 | Dec 31, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2004 | Total Coliform Rule |
| Dec 1, 2004 | Dec 31, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2004 | Total Coliform Rule |
| Dec 1, 2004 | Dec 31, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2004 | Total Coliform Rule |
| Jun 1, 1997 | Jun 30, 1997 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Archived | Jun 30, 1997 | Surface Water Treatment Rule |
| Apr 1, 1996 | Jun 30, 1996 | Atrazine | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Jun 30, 1996 | Synthetic Organic Chemicals |
| Apr 1, 1996 | Jun 30, 1996 | Atrazine | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Jun 30, 1996 | Synthetic Organic Chemicals |
| Apr 1, 1996 | Jun 30, 1996 | Atrazine | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Jun 30, 1996 | Synthetic Organic Chemicals |
| Apr 1, 1996 | Jun 30, 1996 | Atrazine | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Jun 30, 1996 | Synthetic Organic Chemicals |
| Jan 1, 1995 | Jan 31, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 1995 | Total Coliform Rule |
| Jan 1, 1995 | Jan 31, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 1995 | Total Coliform Rule |
| Jan 1, 1995 | Jan 31, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 1995 | Total Coliform Rule |
| Jan 1, 1995 | Jan 31, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 1995 | Total Coliform Rule |
| Sep 1, 1994 | Sep 30, 1994 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Archived | Sep 30, 1994 | Surface Water Treatment Rule |
| Jul 1, 1994 | Jul 31, 1994 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Archived | Jul 31, 1994 | Surface Water Treatment Rule |
| Aug 1, 1993 | Aug 31, 1993 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Archived | Aug 31, 1993 | Surface Water Treatment Rule |
| Jun 25, 1984 | Jun 24, 1985 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Archived | Jun 24, 1985 | Nitrate 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.