HICKORY HOLLOW WATER SERVICE, INC.
Iowa — Community Water System — PWSID: IA7709396
System Information
| PWSID | IA7709396 |
| System Name | HICKORY HOLLOW WATER SERVICE, INC. |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 27, 1979 |
| Last Reported | Dec 19, 2025 |
Location & Contact
| State | Iowa |
| City | ANKENY |
| ZIP Code | 50021 |
| Address | ATTN TOM THORPE |
| Organization | THORPE WATER DEVELOPMENT COMPANY |
| Phone | 515-289-2345 |
Population & Service
| Population Served | 375 |
| Service Connections | 150 |
Drinking Water Violations (79)
This water system has 79 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, 2002 | Jan 31, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2002 | Total Coliform Rule |
| Jan 1, 2002 | Jan 31, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2002 | Total Coliform Rule |
| Jan 1, 2002 | Jan 31, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2002 | Total Coliform Rule |
| Jan 1, 2002 | Jan 31, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2002 | Total Coliform Rule |
| Jan 1, 2000 | Mar 31, 2000 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2000 | Inorganic Chemicals |
| Jan 1, 2000 | Mar 31, 2000 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2000 | Inorganic Chemicals |
| Oct 1, 1994 | Dec 31, 1994 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 1994 | Inorganic Chemicals |
| Oct 1, 1994 | Dec 31, 1994 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 1994 | Inorganic Chemicals |
| Oct 1, 1994 | Dec 31, 1994 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 1994 | Inorganic Chemicals |
| Oct 1, 1993 | Dec 31, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 1993 | Inorganic Chemicals |
| Oct 1, 1993 | Dec 31, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 1993 | Inorganic Chemicals |
| Oct 1, 1993 | Dec 31, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 1993 | Inorganic Chemicals |
| Oct 1, 1993 | Dec 31, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 1993 | Inorganic Chemicals |
| Oct 1, 1993 | Dec 31, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 1993 | Inorganic Chemicals |
| Oct 1, 1993 | Dec 31, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 1993 | Inorganic Chemicals |
| Oct 1, 1993 | Dec 31, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 1993 | Inorganic Chemicals |
| Oct 1, 1993 | Dec 31, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 1993 | Inorganic Chemicals |
| Jul 1, 1993 | Sep 30, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 1993 | Inorganic Chemicals |
| Jul 1, 1993 | Sep 30, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 1993 | Inorganic Chemicals |
| Jul 1, 1993 | Sep 30, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 1993 | Inorganic Chemicals |
| Jul 1, 1993 | Sep 30, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 1993 | Inorganic Chemicals |
| Jul 1, 1993 | Sep 30, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 1993 | Inorganic Chemicals |
| Jul 1, 1993 | Sep 30, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 1993 | Inorganic Chemicals |
| Jul 1, 1993 | Sep 30, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 1993 | Inorganic Chemicals |
| Apr 1, 1993 | Jun 30, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 1993 | Inorganic Chemicals |
| Apr 1, 1993 | Jun 30, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 1993 | Inorganic Chemicals |
| Apr 1, 1993 | Jun 30, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 1993 | Inorganic Chemicals |
| Apr 1, 1993 | Jun 30, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 1993 | Inorganic Chemicals |
| Apr 1, 1993 | Jun 30, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 1993 | Inorganic Chemicals |
| Apr 1, 1993 | Jun 30, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 1993 | Inorganic Chemicals |
| Apr 1, 1993 | Jun 30, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 1993 | Inorganic Chemicals |
| Jan 1, 1993 | Mar 31, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 1993 | Inorganic Chemicals |
| Jan 1, 1993 | Mar 31, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 1993 | Inorganic Chemicals |
| Jan 1, 1993 | Mar 31, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 1993 | Inorganic Chemicals |
| Jan 1, 1993 | Mar 31, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 1993 | Inorganic Chemicals |
| Jan 1, 1993 | Mar 31, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 1993 | Inorganic Chemicals |
| Jan 1, 1993 | Mar 31, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 1993 | Inorganic Chemicals |
| Jan 1, 1993 | Mar 31, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 1993 | Inorganic Chemicals |
| Jan 1, 1993 | Mar 31, 1993 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 1993 | Inorganic Chemicals |
| Jul 1, 1992 | Sep 30, 1992 | Fluoride | MCL | Yes | No | 6.2 | 4.0 mg/L | — | Resolved | Sep 30, 1992 | Inorganic Chemicals |
| Jul 1, 1992 | Sep 30, 1992 | Fluoride | MCL | Yes | No | 6.2 | 4.0 mg/L | — | Resolved | Sep 30, 1992 | Inorganic Chemicals |
| Jul 1, 1992 | Sep 30, 1992 | Fluoride | MCL | Yes | No | 6.2 | 4.0 mg/L | — | Resolved | Sep 30, 1992 | Inorganic Chemicals |
| Jul 1, 1992 | Sep 30, 1992 | Fluoride | MCL | Yes | No | 6.2 | 4.0 mg/L | — | Resolved | Sep 30, 1992 | Inorganic Chemicals |
| Apr 1, 1992 | Jun 30, 1992 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 1992 | Inorganic Chemicals |
| Apr 1, 1992 | Jun 30, 1992 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 1992 | Inorganic Chemicals |
| Apr 1, 1992 | Jun 30, 1992 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 1992 | Inorganic Chemicals |
| Apr 1, 1992 | Jun 30, 1992 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 1992 | Inorganic Chemicals |
| Apr 1, 1992 | Jun 30, 1992 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 1992 | Inorganic Chemicals |
| Apr 1, 1992 | Jun 30, 1992 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 1992 | Inorganic Chemicals |
| Apr 1, 1992 | Jun 30, 1992 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 1992 | Inorganic Chemicals |
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.