ESSEX WATER SUPPLY
Iowa — Community Water System — PWSID: IA7349023
System Information
| PWSID | IA7349023 |
| System Name | ESSEX 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 | ESSEX |
| ZIP Code | 51638 |
| Address | ATTN WATER SUPERINTENDENT |
| Organization | ESSEX WATER SUPPLY |
| Phone | 712-379-3643 |
Population & Service
| Population Served | 722 |
| Service Connections | 350 |
Drinking Water Violations (154)
This water system has 154 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb 1, 2019 | Feb 28, 2019 | MON | No | Yes | — | — | — | Resolved | Feb 28, 2019 | — | |
| Feb 1, 2019 | Feb 28, 2019 | MON | No | Yes | — | — | — | Resolved | Feb 28, 2019 | — | |
| Feb 1, 2019 | Feb 28, 2019 | MON | No | Yes | — | — | — | Resolved | Feb 28, 2019 | — | |
| Feb 1, 2019 | Feb 28, 2019 | MON | No | Yes | — | — | — | Resolved | Feb 28, 2019 | — | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2002 | — | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2002 | — | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2002 | — | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2002 | — | |
| Nov 1, 1996 | Nov 30, 1996 | MCL | Yes | No | 11.4 | 10 mg/L | — | Resolved | Nov 30, 1996 | — | |
| Nov 1, 1996 | Nov 30, 1996 | MCL | Yes | No | 11.4 | 10 mg/L | — | Resolved | Nov 30, 1996 | — | |
| Nov 1, 1996 | Nov 30, 1996 | MCL | Yes | No | 11.4 | 10 mg/L | — | Resolved | Nov 30, 1996 | — | |
| Nov 1, 1996 | Nov 30, 1996 | MCL | Yes | No | 11.4 | 10 mg/L | — | Resolved | Nov 30, 1996 | — | |
| Nov 1, 1996 | Nov 30, 1996 | MCL | Yes | No | 11.4 | 10 mg/L | — | Resolved | Nov 30, 1996 | — | |
| Jul 1, 1996 | Jul 31, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 1996 | — | |
| Jul 1, 1996 | Jul 31, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 1996 | — | |
| Jul 1, 1996 | Jul 31, 1996 | MCL | Yes | No | 11 | 10 mg/L | — | Resolved | Jul 31, 1996 | — | |
| Jul 1, 1996 | Jul 31, 1996 | MCL | Yes | No | 11 | 10 mg/L | — | Resolved | Jul 31, 1996 | — | |
| Jul 1, 1996 | Jul 31, 1996 | MCL | Yes | No | 11 | 10 mg/L | — | Resolved | Jul 31, 1996 | — | |
| Jul 1, 1996 | Jul 31, 1996 | MCL | Yes | No | 11 | 10 mg/L | — | Resolved | Jul 31, 1996 | — | |
| Jul 1, 1996 | Jul 31, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 1996 | — | |
| Jul 1, 1996 | Jul 31, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 1996 | — | |
| Jul 1, 1996 | Jul 31, 1996 | MCL | Yes | No | 11 | 10 mg/L | — | Resolved | Jul 31, 1996 | — | |
| Apr 1, 1996 | Apr 30, 1996 | MCL | Yes | No | 12 | 10 mg/L | — | Resolved | Apr 30, 1996 | — | |
| Apr 1, 1996 | Apr 30, 1996 | MCL | Yes | No | 12 | 10 mg/L | — | Resolved | Apr 30, 1996 | — | |
| Apr 1, 1996 | Apr 30, 1996 | MCL | Yes | No | 12 | 10 mg/L | — | Resolved | Apr 30, 1996 | — | |
| Apr 1, 1996 | Apr 30, 1996 | MCL | Yes | No | 12 | 10 mg/L | — | Resolved | Apr 30, 1996 | — | |
| Apr 1, 1996 | Apr 30, 1996 | MCL | Yes | No | 12 | 10 mg/L | — | Resolved | Apr 30, 1996 | — | |
| Apr 1, 1996 | Apr 30, 1996 | MCL | Yes | No | 12 | 10 mg/L | — | Resolved | Apr 30, 1996 | — | |
| Jan 1, 1996 | Jan 31, 1996 | MCL | Yes | No | 12 | 10 mg/L | — | Resolved | Jan 31, 1996 | — | |
| Jan 1, 1996 | Jan 31, 1996 | MCL | Yes | No | 12 | 10 mg/L | — | Resolved | Jan 31, 1996 | — | |
| Jan 1, 1996 | Jan 31, 1996 | MCL | Yes | No | 12 | 10 mg/L | — | Resolved | Jan 31, 1996 | — | |
| Jan 1, 1996 | Jan 31, 1996 | MCL | Yes | No | 12 | 10 mg/L | — | Resolved | Jan 31, 1996 | — | |
| Jan 1, 1996 | Jan 31, 1996 | MCL | Yes | No | 12 | 10 mg/L | — | Resolved | Jan 31, 1996 | — | |
| Jan 1, 1996 | Jan 31, 1996 | MCL | Yes | No | 12 | 10 mg/L | — | Resolved | Jan 31, 1996 | — | |
| Dec 1, 1995 | Dec 31, 1995 | Other | No | No | — | — | — | Archived | Dec 31, 1995 | — | |
| Dec 1, 1995 | Dec 31, 1995 | Other | No | No | — | — | — | Archived | Dec 31, 1995 | — | |
| Dec 1, 1995 | Dec 31, 1995 | Other | No | No | — | — | — | Archived | Dec 31, 1995 | — | |
| Dec 1, 1995 | Dec 31, 1995 | Other | No | No | — | — | — | Archived | Dec 31, 1995 | — | |
| Oct 1, 1995 | Oct 31, 1995 | MCL | Yes | No | 11 | 10 mg/L | — | Resolved | Oct 31, 1995 | — | |
| Oct 1, 1995 | Oct 31, 1995 | MCL | Yes | No | 11 | 10 mg/L | — | Resolved | Oct 31, 1995 | — | |
| Oct 1, 1995 | Oct 31, 1995 | MCL | Yes | No | 11 | 10 mg/L | — | Resolved | Oct 31, 1995 | — | |
| Oct 1, 1995 | Oct 31, 1995 | MCL | Yes | No | 11 | 10 mg/L | — | Resolved | Oct 31, 1995 | — | |
| Oct 1, 1995 | Oct 31, 1995 | MCL | Yes | No | 11 | 10 mg/L | — | Resolved | Oct 31, 1995 | — | |
| Oct 1, 1995 | Oct 31, 1995 | MCL | Yes | No | 11 | 10 mg/L | — | Resolved | Oct 31, 1995 | — | |
| Oct 1, 1995 | Oct 31, 1995 | MCL | Yes | No | 11 | 10 mg/L | — | Resolved | Oct 31, 1995 | — | |
| May 1, 1995 | May 31, 1995 | MCL | Yes | No | 11 | 10 mg/L | — | Resolved | May 31, 1995 | — | |
| May 1, 1995 | May 31, 1995 | MCL | Yes | No | 11 | 10 mg/L | — | Resolved | May 31, 1995 | — | |
| May 1, 1995 | May 31, 1995 | MCL | Yes | No | 11 | 10 mg/L | — | Resolved | May 31, 1995 | — | |
| May 1, 1995 | May 31, 1995 | MCL | Yes | No | 11 | 10 mg/L | — | Resolved | May 31, 1995 | — | |
| May 1, 1995 | May 31, 1995 | MCL | Yes | No | 1.2 | 10 mg/L | — | Resolved | May 31, 1995 | — |
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.