DELTA WATER SUPPLY
Iowa - Community Water System - PWSID: IA5417026
System Information
| PWSID | IA5417026 |
| System Name | DELTA WATER SUPPLY |
| System Type | Community Water System |
| Water Source | Ground Water Purchased |
| 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 | SIGOURNEY |
| ZIP Code | 52591 |
| Address | ATTN DON NORTHUP |
| Organization | DELTA WATER SUPPLY |
| Phone | 641-660-3667 |
Population & Service
| Population Served | 264 |
| Service Connections | 169 |
Drinking Water Violations (30)
This water system has 30 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 | Jul 31, 2025 | MR | No | Yes | - | 0.060 mg/L | - | Archived | Jul 31, 2025 | - | |
| Jul 1, 2025 | Jul 31, 2025 | MR | No | Yes | - | 0.060 mg/L | - | Archived | Jul 31, 2025 | - | |
| Jul 1, 2025 | Jul 31, 2025 | MR | No | Yes | - | 0.080 mg/L | - | Archived | Jul 31, 2025 | - | |
| Jul 1, 2025 | Jul 31, 2025 | MR | No | Yes | - | 0.080 mg/L | - | Archived | Jul 31, 2025 | - | |
| Jul 1, 2005 | - | Other | No | No | - | - | - | Resolved | Feb 15, 2006 | - | |
| Jul 1, 2005 | - | Other | No | No | - | - | - | Resolved | Feb 15, 2006 | - | |
| Apr 1, 1988 | - | MR | No | No | - | TT | - | Resolved | Jul 26, 1988 | - | |
| Jul 1, 1985 | Jun 30, 1988 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Jun 30, 1988 | - | |
| Jul 1, 1985 | Jun 30, 1988 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Jun 30, 1988 | - | |
| Jul 1, 1985 | Jun 30, 1988 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 1988 | - | |
| Jul 1, 1985 | Jun 30, 1988 | MR | No | Yes | - | 2 mg/L | - | Resolved | Jun 30, 1988 | - | |
| Jul 1, 1985 | Jun 30, 1988 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 1988 | - | |
| Jul 1, 1985 | Jun 30, 1988 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 1988 | - | |
| Jul 1, 1985 | Jun 30, 1988 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Jun 30, 1988 | - | |
| Jul 1, 1985 | Jun 30, 1988 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Jun 30, 1988 | - | |
| Jul 1, 1985 | Jun 30, 1988 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Jun 30, 1988 | - | |
| Jul 1, 1985 | Jun 30, 1988 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 1988 | - | |
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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.