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 | Dec 19, 2025 |
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 (70)
This water system has 70 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 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 2, 2025 | Consumer Confidence Rule |
| Jul 1, 2025 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 2, 2025 | Consumer Confidence Rule |
| Jul 1, 2025 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 2, 2025 | Consumer Confidence Rule |
| Oct 1, 2023 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 11, 2025 | Lead and Copper Rule |
| Oct 1, 2023 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 11, 2025 | Lead and Copper Rule |
| Oct 1, 2023 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 11, 2025 | Lead and Copper Rule |
| Oct 1, 2023 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 11, 2025 | Lead and Copper Rule |
| Jul 1, 2022 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 23, 2022 | Consumer Confidence Rule |
| Jul 1, 2022 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 23, 2022 | Consumer Confidence Rule |
| Jul 1, 2022 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 23, 2022 | Consumer Confidence Rule |
| Nov 1, 2004 | Nov 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2004 | Total Coliform Rule |
| Nov 1, 2004 | Nov 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2004 | Total Coliform Rule |
| Nov 1, 2004 | Nov 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2004 | Total Coliform Rule |
| Nov 1, 2004 | Nov 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2004 | Total Coliform Rule |
| Apr 1, 2000 | Apr 30, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2000 | Total Coliform Rule |
| Apr 1, 2000 | Apr 30, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2000 | Total Coliform Rule |
| Apr 1, 2000 | Apr 30, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2000 | Total Coliform Rule |
| Apr 1, 2000 | Apr 30, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2000 | Total Coliform Rule |
| Nov 1, 1995 | Nov 30, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1995 | Total Coliform Rule |
| Nov 1, 1995 | Nov 30, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1995 | Total Coliform Rule |
| Nov 1, 1995 | Nov 30, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1995 | Total Coliform Rule |
| Nov 1, 1995 | Nov 30, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1995 | Total Coliform Rule |
| Jan 1, 1994 | Jan 31, 1994 | Xylenes, Total | MR | No | Yes | — | 10 mg/L | — | Resolved | Jan 31, 1994 | Volatile Organic Chemicals |
| Jan 1, 1994 | Jan 31, 1994 | Xylenes, Total | MR | No | Yes | — | 10 mg/L | — | Resolved | Jan 31, 1994 | Volatile Organic Chemicals |
| Jan 1, 1994 | Jan 31, 1994 | Xylenes, Total | MR | No | Yes | — | 10 mg/L | — | Resolved | Jan 31, 1994 | Volatile Organic Chemicals |
| Jan 1, 1994 | Jan 31, 1994 | Xylenes, Total | MR | No | Yes | — | 10 mg/L | — | Resolved | Jan 31, 1994 | Volatile Organic Chemicals |
| Jan 1, 1994 | Jan 31, 1994 | Xylenes, Total | MR | No | Yes | — | 10 mg/L | — | Resolved | Jan 31, 1994 | Volatile Organic Chemicals |
| Jan 1, 1994 | Jan 31, 1994 | Xylenes, Total | MR | No | Yes | — | 10 mg/L | — | Resolved | Jan 31, 1994 | Volatile Organic Chemicals |
| Jan 1, 1994 | Jan 31, 1994 | Xylenes, Total | MR | No | Yes | — | 10 mg/L | — | Resolved | Jan 31, 1994 | Volatile Organic Chemicals |
| Jan 1, 1994 | Jan 31, 1994 | Xylenes, Total | MR | No | Yes | — | 10 mg/L | — | Resolved | Jan 31, 1994 | Volatile Organic Chemicals |
| Sep 1, 1993 | Sep 30, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | Total Coliform Rule |
| Sep 1, 1993 | Sep 30, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | Total Coliform Rule |
| Sep 1, 1993 | Sep 30, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | Total Coliform Rule |
| Sep 1, 1993 | Sep 30, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | Total Coliform Rule |
| Sep 1, 1993 | Sep 30, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | Total Coliform Rule |
| Sep 1, 1993 | Sep 30, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | Total Coliform Rule |
| Sep 1, 1993 | Sep 30, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | Total Coliform Rule |
| Sep 1, 1993 | Sep 30, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | Total Coliform Rule |
| Aug 1, 1993 | Aug 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1993 | Total Coliform Rule |
| Aug 1, 1993 | Aug 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1993 | Total Coliform Rule |
| Aug 1, 1993 | Aug 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1993 | Total Coliform Rule |
| Aug 1, 1993 | Aug 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1993 | Total Coliform Rule |
| Aug 1, 1993 | Aug 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1993 | Total Coliform Rule |
| Aug 1, 1993 | Aug 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1993 | Total Coliform Rule |
| Aug 1, 1993 | Aug 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1993 | Total Coliform Rule |
| Aug 1, 1993 | Aug 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1993 | Total Coliform Rule |
| Jul 1, 1993 | Sep 30, 1993 | Toxaphene | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Sep 30, 1993 | Synthetic Organic Chemicals |
| Jul 1, 1993 | Sep 30, 1993 | Toxaphene | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Sep 30, 1993 | Synthetic Organic Chemicals |
| Jul 1, 1993 | Sep 30, 1993 | Toxaphene | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Sep 30, 1993 | Synthetic Organic Chemicals |
| Jul 1, 1993 | Sep 30, 1993 | Toxaphene | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Sep 30, 1993 | Synthetic Organic 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.