SHEFFIELD WATER SUPPLY
Iowa — Community Water System — PWSID: IA3570037
System Information
| PWSID | IA3570037 |
| System Name | SHEFFIELD 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 | SHEFFIELD |
| ZIP Code | 50475 |
| Address | ATTN PAT NUEHRING |
| Organization | SHEFFIELD WATER SUPPLY |
| Phone | 641-892-4718 |
Population & Service
| Population Served | 1,130 |
| Service Connections | 506 |
Drinking Water Violations (36)
This water system has 36 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, 2014 | Jul 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2014 | — | |
| Jul 1, 2014 | Jul 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2014 | — | |
| Jul 1, 2014 | Jul 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2014 | — | |
| Jul 1, 2014 | Jul 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2014 | — | |
| Oct 27, 2009 | Dec 28, 2009 | Other | No | No | — | — | — | Resolved | Dec 28, 2009 | — | |
| Oct 27, 2009 | Dec 28, 2009 | Other | No | No | — | — | — | Resolved | Dec 28, 2009 | — | |
| Oct 27, 2009 | Dec 28, 2009 | Other | No | No | — | — | — | Resolved | Dec 28, 2009 | — | |
| Oct 27, 2009 | Dec 28, 2009 | Other | No | No | — | — | — | Resolved | Dec 28, 2009 | — | |
| Oct 27, 2009 | Dec 28, 2009 | Other | No | No | — | — | — | Resolved | Dec 28, 2009 | — | |
| Oct 27, 2009 | Dec 28, 2009 | Other | No | No | — | — | — | Resolved | Dec 28, 2009 | — | |
| Oct 1, 2008 | Sep 30, 2009 | MCL | Yes | No | 13.58 MG/L | 10 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Oct 1, 2008 | Sep 30, 2009 | MCL | Yes | No | 13.58 MG/L | 10 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Oct 1, 2008 | Sep 30, 2009 | MCL | Yes | No | 13.58 MG/L | 10 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Oct 1, 2008 | Sep 30, 2009 | MCL | Yes | No | 13.58 MG/L | 10 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Oct 1, 2008 | Sep 30, 2009 | MCL | Yes | No | 13.58 MG/L | 10 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Oct 1, 2008 | Sep 30, 2009 | MCL | Yes | No | 13.58 MG/L | 10 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2005 | Aug 31, 2007 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2007 | — | |
| Jul 1, 2005 | Aug 31, 2007 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2007 | — | |
| Jul 1, 2005 | Aug 31, 2007 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2007 | — | |
| Jul 1, 2005 | Aug 31, 2007 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2007 | — | |
| Jul 1, 2005 | Aug 31, 2007 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2007 | — | |
| Oct 19, 1999 | — | Other | No | No | — | — | — | Resolved | Nov 16, 1999 | — | |
| Oct 19, 1999 | — | Other | No | No | — | — | — | Resolved | Nov 16, 1999 | — | |
| Oct 19, 1999 | — | Other | No | No | — | — | — | Resolved | Nov 16, 1999 | — | |
| Jan 1, 1994 | Dec 31, 1996 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1994 | Dec 31, 1996 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1994 | Dec 31, 1996 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 30, 1979 | Jul 29, 1980 | MCL | Yes | No | 11.22 | 10 mg/L | 10 | Archived | Jul 29, 1980 | — | |
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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.