WALNUT MUNICIPAL UTILITIES
Iowa — Community Water System — PWSID: IA7872062
System Information
| PWSID | IA7872062 |
| System Name | WALNUT MUNICIPAL UTILITIES |
| 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 | WALNUT |
| ZIP Code | 51577 |
| Address | ROBERT AKERS SUPERINTENDENT |
| Organization | WALNUT MUNICIPAL UTILITIES |
| Phone | 712-784-3711 |
Population & Service
| Population Served | 768 |
| Service Connections | 420 |
Drinking Water Violations (40)
This water system has 40 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, 2001 | Jun 30, 2002 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Jul 1, 2001 | Jun 30, 2002 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Jul 1, 2001 | Jun 30, 2002 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Jul 1, 2001 | Jun 30, 2002 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2002 | — | |
| Jun 1, 2001 | Jun 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2001 | — | |
| Jun 1, 2001 | Jun 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2001 | — | |
| Jun 1, 2001 | Jun 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2001 | — | |
| Jun 1, 2001 | Jun 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2001 | — | |
| Jun 1, 2001 | Jun 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2001 | — | |
| Jun 1, 2001 | Jun 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2001 | — | |
| Oct 1, 1989 | Dec 31, 1989 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Dec 31, 1989 | — | |
| Oct 1, 1989 | Dec 31, 1989 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Dec 31, 1989 | — | |
| Oct 1, 1985 | Sep 30, 1986 | MCL | Yes | No | 10.1 | 5 pCi/L | 5 | Archived | Sep 30, 1986 | — | |
| Oct 1, 1985 | Sep 30, 1986 | MCL | Yes | No | 10.1 | 5 pCi/L | 5 | Archived | Sep 30, 1986 | — | |
| Oct 1, 1985 | Sep 30, 1986 | MCL | Yes | No | 10.1 | 5 pCi/L | 5 | Archived | Sep 30, 1986 | — | |
| Oct 1, 1985 | Sep 30, 1986 | MCL | Yes | No | 10.1 | 5 pCi/L | 5 | Archived | Sep 30, 1986 | — | |
| Apr 1, 1985 | Mar 31, 1989 | MR | No | Yes | — | 15 pCi/L | — | Archived | Mar 31, 1989 | — | |
| Apr 1, 1985 | Mar 31, 1989 | MR | No | Yes | — | 15 pCi/L | — | Archived | Mar 31, 1989 | — | |
| Apr 1, 1985 | Mar 31, 1989 | MR | No | Yes | — | 5 pCi/L | — | Archived | Mar 31, 1989 | — | |
| Oct 1, 1984 | Sep 30, 1985 | MCL | Yes | No | 3 | 4.0 mg/L | 2.2 | Archived | Sep 30, 1985 | — | |
| Oct 1, 1984 | Sep 30, 1985 | MCL | Yes | No | 10.3 | 5 pCi/L | 5 | Archived | Sep 30, 1985 | — | |
| Oct 1, 1983 | Sep 30, 1984 | MCL | Yes | No | 7.8 | 5 pCi/L | 5 | Archived | Sep 30, 1984 | — | |
| Oct 1, 1983 | Sep 30, 1984 | MCL | Yes | No | 3 | 4.0 mg/L | 2 | Archived | Sep 30, 1984 | — | |
| Oct 1, 1981 | Sep 30, 1982 | MCL | Yes | No | 7 | 5 pCi/L | 5 | Archived | Sep 30, 1982 | — | |
| Aug 5, 1980 | Oct 4, 1980 | MCL | Yes | No | 2.8 | 4.0 mg/L | 2 | Archived | Oct 4, 1980 | — | |
| May 6, 1980 | May 5, 1981 | MCL | Yes | No | 2.8 | 4.0 mg/L | 141.11 | Archived | May 5, 1981 | — | |
| May 6, 1980 | May 5, 1981 | MCL | Yes | No | 3 | 4.0 mg/L | 2 | Archived | May 5, 1981 | — | |
| Jan 1, 1980 | Dec 31, 1983 | MCL | Yes | No | 8.5 | 5 pCi/L | — | Resolved | Dec 31, 1983 | — | |
| Jan 1, 1980 | Dec 31, 1983 | MCL | Yes | No | 8.5 | 5 pCi/L | — | Resolved | Dec 31, 1983 | — | |
| Jan 1, 1980 | Dec 31, 1983 | MCL | Yes | No | 8.5 | 5 pCi/L | — | Resolved | Dec 31, 1983 | — | |
| Jan 1, 1980 | Dec 31, 1983 | MCL | Yes | No | 8.5 | 5 pCi/L | — | Resolved | Dec 31, 1983 | — | |
| Jan 1, 1980 | Dec 31, 1983 | MCL | Yes | No | 8.5 | 5 pCi/L | — | Resolved | Dec 31, 1983 | — | |
| Jan 1, 1980 | Dec 31, 1983 | MCL | Yes | No | 8.5 | 5 pCi/L | — | Resolved | Dec 31, 1983 | — | |
| Jan 1, 1980 | Dec 31, 1983 | MCL | Yes | No | 8.5 | 5 pCi/L | — | Resolved | Dec 31, 1983 | — | |
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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.