WOOLSTOCK WATER SUPPLY
Iowa — Community Water System — PWSID: IA9970037
System Information
| PWSID | IA9970037 |
| System Name | WOOLSTOCK 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 | WOOLSTOCK |
| ZIP Code | 50599 |
| Address | ATTN TOM FORD WATER SUPT |
| Organization | WOOLSTOCK WATER SUPPLY |
| Phone | 515-356-4365 |
Population & Service
| Population Served | 144 |
| Service Connections | 92 |
Drinking Water Violations (44)
This water system has 44 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, 2016 | — | Other | No | No | — | — | — | Resolved | Sep 26, 2016 | — | |
| Jul 1, 2016 | — | Other | No | No | — | — | — | Resolved | Sep 26, 2016 | — | |
| Jul 1, 2016 | — | Other | No | No | — | — | — | Resolved | Sep 26, 2016 | — | |
| Jul 1, 2016 | — | Other | No | No | — | — | — | Resolved | Sep 26, 2016 | — | |
| Jun 1, 1999 | Jun 30, 1999 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 1999 | — | |
| Jun 1, 1999 | Jun 30, 1999 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 1999 | — | |
| Jun 1, 1999 | Jun 30, 1999 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 1999 | — | |
| Jun 1, 1999 | Jun 30, 1999 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 1999 | — | |
| Oct 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Oct 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Oct 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Oct 1, 1990 | Dec 31, 1990 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1990 | — | |
| Oct 1, 1990 | Dec 31, 1990 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1990 | — | |
| Oct 1, 1990 | — | MR | No | No | — | TT | — | Resolved | May 7, 1991 | — | |
| Oct 1, 1990 | — | MR | No | No | — | TT | — | Resolved | May 7, 1991 | — | |
| Jan 1, 1988 | Dec 31, 1990 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 1990 | — | |
| Jan 1, 1988 | Dec 31, 1990 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 1990 | — | |
| Jan 1, 1988 | Dec 31, 1990 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1990 | — | |
| Jan 1, 1988 | Dec 31, 1990 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1990 | — | |
| Jan 1, 1988 | Dec 31, 1990 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 1990 | — | |
| Jan 1, 1988 | Dec 31, 1990 | MR | No | Yes | — | 2 mg/L | — | Resolved | Dec 31, 1990 | — | |
| Jan 1, 1988 | Dec 31, 1990 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 1990 | — | |
| Jan 1, 1988 | Dec 31, 1990 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 1990 | — | |
| Jan 1, 1988 | Dec 31, 1990 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 1990 | — | |
| Jan 1, 1988 | Dec 31, 1990 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 1990 | — | |
| Jan 1, 1988 | Dec 31, 1990 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 1990 | — | |
| Jan 1, 1988 | Dec 31, 1990 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 1990 | — | |
| Jan 1, 1988 | Dec 31, 1990 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 1990 | — | |
| Jan 1, 1988 | Dec 31, 1990 | MR | No | Yes | — | 2 mg/L | — | Resolved | Dec 31, 1990 | — | |
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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.