COULTER WATER SUPPLY
Iowa — Community Water System — PWSID: IA3525079
System Information
| PWSID | IA3525079 |
| System Name | COULTER 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 | COULTER |
| ZIP Code | 50431 |
| Address | ATTN MIKE EDDY WATER SUPT |
| Organization | COULTER WATER SUPPLY |
| Phone | 641-866-6748 |
Population & Service
| Population Served | 219 |
| Service Connections | 121 |
Drinking Water Violations (54)
This water system has 54 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 1, 2023 | Aug 31, 2023 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2023 | — | |
| Aug 1, 2023 | Aug 31, 2023 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2023 | — | |
| Aug 1, 2023 | Aug 31, 2023 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2023 | — | |
| Aug 1, 2023 | Aug 31, 2023 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2023 | — | |
| Aug 1, 2023 | Aug 31, 2023 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2023 | — | |
| Aug 1, 2023 | Aug 31, 2023 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2023 | — | |
| Aug 1, 2023 | Aug 31, 2023 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2023 | — | |
| Aug 1, 2023 | Aug 31, 2023 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2023 | — | |
| Oct 1, 2019 | Sep 30, 2025 | MR | No | Yes | — | 5 pCi/L | — | Archived | Sep 30, 2025 | — | |
| Jul 1, 2008 | — | Other | No | No | — | — | — | Resolved | Sep 29, 2008 | — | |
| Jul 1, 2008 | Aug 31, 2010 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2010 | — | |
| Jul 1, 2008 | Aug 31, 2010 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2010 | — | |
| Jul 1, 2008 | Aug 31, 2010 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2010 | — | |
| Jul 1, 2008 | Aug 31, 2010 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2010 | — | |
| Jul 1, 2008 | Aug 31, 2010 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2010 | — | |
| Jul 1, 2008 | Aug 31, 2010 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2010 | — | |
| Jul 1, 2008 | Aug 31, 2010 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2010 | — | |
| Jul 1, 2008 | Aug 31, 2010 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2010 | — | |
| Jul 1, 2008 | Aug 31, 2010 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2010 | — | |
| Jul 1, 2008 | — | Other | No | No | — | — | — | Resolved | Sep 29, 2008 | — | |
| Jul 1, 2008 | — | Other | No | No | — | — | — | Resolved | Sep 29, 2008 | — | |
| Jul 1, 2008 | — | Other | No | No | — | — | — | Resolved | Sep 29, 2008 | — | |
| Jul 1, 2008 | Aug 31, 2010 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2010 | — | |
| Oct 1, 1995 | Oct 31, 1995 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1995 | — | |
| Oct 1, 1995 | Oct 31, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1995 | — | |
| Oct 1, 1995 | Oct 31, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1995 | — | |
| Oct 1, 1995 | Oct 31, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1995 | — | |
| Oct 1, 1995 | Oct 31, 1995 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1995 | — | |
| Oct 1, 1995 | Oct 31, 1995 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1995 | — | |
| Oct 1, 1995 | Oct 31, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1995 | — | |
| Oct 1, 1995 | Oct 31, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1995 | — | |
| Oct 1, 1995 | Oct 31, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1995 | — | |
| Sep 1, 1995 | Sep 30, 1995 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1995 | — | |
| Sep 1, 1995 | Sep 30, 1995 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1995 | — | |
| Sep 1, 1995 | Sep 30, 1995 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1995 | — | |
| Jul 1, 1986 | Jun 30, 1989 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 1989 | — | |
| Jul 1, 1986 | Jun 30, 1989 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 1989 | — | |
| Jul 1, 1986 | Jun 30, 1989 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 1989 | — | |
| Jul 1, 1986 | Jun 30, 1989 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 1989 | — | |
| Jul 1, 1986 | Jun 30, 1989 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 1989 | — | |
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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.