DUNLAP WATER SUPPLY
Iowa — Community Water System — PWSID: IA4316087
System Information
| PWSID | IA4316087 |
| System Name | DUNLAP 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 | DUNLAP |
| ZIP Code | 51529 |
| Address | ATTN TONY WARNOCK WATER SUPT |
| Organization | DUNLAP WATER SUPPLY |
| Phone | 712-643-5721 |
Population & Service
| Population Served | 1,035 |
| Service Connections | 510 |
Drinking Water Violations (72)
This water system has 72 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, 2025 | — | Other | No | No | — | — | — | Resolved | Sep 2, 2025 | — | |
| Jul 1, 2025 | — | Other | No | No | — | — | — | Resolved | Sep 2, 2025 | — | |
| Jul 1, 2025 | — | Other | No | No | — | — | — | Resolved | Sep 2, 2025 | — | |
| Oct 1, 2023 | — | MR | No | No | — | TT | — | Resolved | Sep 11, 2025 | — | |
| Oct 1, 2023 | — | MR | No | No | — | TT | — | Resolved | Sep 11, 2025 | — | |
| Oct 1, 2023 | — | MR | No | No | — | TT | — | Resolved | Sep 11, 2025 | — | |
| Oct 1, 2023 | — | MR | No | No | — | TT | — | Resolved | Sep 11, 2025 | — | |
| Jul 1, 2022 | — | Other | No | No | — | — | — | Resolved | Aug 23, 2022 | — | |
| Jul 1, 2022 | — | Other | No | No | — | — | — | Resolved | Aug 23, 2022 | — | |
| Jul 1, 2022 | — | Other | No | No | — | — | — | Resolved | Aug 23, 2022 | — | |
| Nov 1, 2004 | Nov 30, 2004 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2004 | — | |
| Nov 1, 2004 | Nov 30, 2004 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2004 | — | |
| Nov 1, 2004 | Nov 30, 2004 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2004 | — | |
| Nov 1, 2004 | Nov 30, 2004 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2004 | — | |
| Apr 1, 2000 | Apr 30, 2000 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2000 | — | |
| Apr 1, 2000 | Apr 30, 2000 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2000 | — | |
| Apr 1, 2000 | Apr 30, 2000 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2000 | — | |
| Apr 1, 2000 | Apr 30, 2000 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2000 | — | |
| Nov 1, 1995 | Nov 30, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1995 | — | |
| Nov 1, 1995 | Nov 30, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1995 | — | |
| Nov 1, 1995 | Nov 30, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1995 | — | |
| Nov 1, 1995 | Nov 30, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1995 | — | |
| Jan 1, 1994 | Jan 31, 1994 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jan 31, 1994 | — | |
| Jan 1, 1994 | Jan 31, 1994 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jan 31, 1994 | — | |
| Jan 1, 1994 | Jan 31, 1994 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jan 31, 1994 | — | |
| Jan 1, 1994 | Jan 31, 1994 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jan 31, 1994 | — | |
| Jan 1, 1994 | Jan 31, 1994 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jan 31, 1994 | — | |
| Jan 1, 1994 | Jan 31, 1994 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jan 31, 1994 | — | |
| Jan 1, 1994 | Jan 31, 1994 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jan 31, 1994 | — | |
| Jan 1, 1994 | Jan 31, 1994 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jan 31, 1994 | — | |
| Sep 1, 1993 | Sep 30, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | — | |
| Sep 1, 1993 | Sep 30, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | — | |
| Sep 1, 1993 | Sep 30, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | — | |
| Sep 1, 1993 | Sep 30, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | — | |
| Sep 1, 1993 | Sep 30, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | — | |
| Sep 1, 1993 | Sep 30, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | — | |
| Sep 1, 1993 | Sep 30, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | — | |
| Sep 1, 1993 | Sep 30, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | — | |
| Aug 1, 1993 | Aug 31, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1993 | — | |
| Aug 1, 1993 | Aug 31, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1993 | — | |
| Aug 1, 1993 | Aug 31, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1993 | — | |
| Aug 1, 1993 | Aug 31, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1993 | — | |
| Aug 1, 1993 | Aug 31, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1993 | — | |
| Aug 1, 1993 | Aug 31, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1993 | — | |
| Aug 1, 1993 | Aug 31, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1993 | — | |
| Aug 1, 1993 | Aug 31, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1993 | — | |
| Jul 1, 1993 | Sep 30, 1993 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Sep 30, 1993 | — | |
| Jul 1, 1993 | Sep 30, 1993 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Sep 30, 1993 | — | |
| Jul 1, 1993 | Sep 30, 1993 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Sep 30, 1993 | — | |
| Jul 1, 1993 | Sep 30, 1993 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Sep 30, 1993 | — |
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.