HANCOCK WATER SUPPLY
Iowa - Community Water System - PWSID: IA7833025
System Information
| PWSID | IA7833025 |
| System Name | HANCOCK WATER SUPPLY |
| System Type | Community Water System |
| Water Source | Ground Water Purchased |
| 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 | HANCOCK |
| ZIP Code | 51536 |
| Address | ATTN WATER SUPERINTENDENT JOSH BILLINGS |
| Organization | HANCOCK WATER SUPPLY |
| Phone | 712-741-5665 |
Population & Service
| Population Served | 200 |
| Service Connections | 114 |
Drinking Water Violations (57)
This water system has 57 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2002 | Sep 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Jul 1, 2002 | - | MR | No | No | - | TT | - | Resolved | Oct 9, 2002 | - | |
| Jul 1, 2002 | - | MR | No | No | - | TT | - | Resolved | Oct 9, 2002 | - | |
| Jul 1, 2002 | - | MR | No | No | - | TT | - | Resolved | Oct 9, 2002 | - | |
| Apr 1, 1998 | Apr 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 1998 | - | |
| Apr 1, 1998 | Apr 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 1998 | - | |
| Apr 1, 1998 | Apr 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 1998 | - | |
| Apr 1, 1998 | Apr 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 1998 | - | |
| Aug 1, 1996 | Aug 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1996 | - | |
| Aug 1, 1996 | Aug 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1996 | - | |
| Aug 1, 1996 | Aug 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1996 | - | |
| Aug 1, 1996 | Aug 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1996 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1996 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1996 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1996 | - | |
| Apr 1, 1994 | Apr 30, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 1994 | - | |
| Apr 1, 1994 | Apr 30, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 1994 | - | |
| Apr 1, 1994 | Apr 30, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 1994 | - | |
| Apr 1, 1994 | Apr 30, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 1994 | - | |
| Apr 1, 1994 | Apr 30, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 1994 | - | |
| Apr 1, 1994 | Apr 30, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 1994 | - | |
| Apr 1, 1994 | Apr 30, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 1994 | - | |
| Apr 1, 1994 | Apr 30, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 1994 | - | |
| Aug 1, 1992 | Aug 31, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1992 | - | |
| Aug 1, 1992 | Aug 31, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1992 | - | |
| Jan 1, 1992 | Dec 31, 1995 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1992 | Dec 31, 1995 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1992 | Dec 31, 1995 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1992 | Dec 31, 1995 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 1995 | - | |
| Jul 1, 1991 | Jul 31, 1991 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1991 | - | |
| Jul 1, 1991 | Jul 31, 1991 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1991 | - | |
| Jul 1, 1991 | Jul 31, 1991 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1991 | - | |
| Jul 1, 1991 | Jul 31, 1991 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1991 | - | |
| Jul 1, 1991 | Jul 31, 1991 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1991 | - | |
| Jul 1, 1991 | Jul 31, 1991 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1991 | - | |
| Jul 1, 1991 | Jul 31, 1991 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1991 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - |
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.