EARLHAM MUNICIPAL WATERWORKS
Iowa — Community Water System — PWSID: IA6115097
System Information
| PWSID | IA6115097 |
| System Name | EARLHAM MUNICIPAL WATERWORKS |
| System Type | Community Water System |
| Water Source | Surface 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 | EARLHAM |
| ZIP Code | 50072 |
| Address | ATTN GARY COFFMAN |
| Organization | EARLHAM MUNICIPAL WATERWORKS |
| Phone | 515-250-9558 |
Population & Service
| Population Served | 1,446 |
| Service Connections | 520 |
Drinking Water Violations (136)
This water system has 136 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 1990 | — | MR | No | No | — | TT | — | Resolved | Dec 23, 1991 | — | |
| Oct 1, 1990 | — | MR | No | No | — | TT | — | Resolved | Dec 23, 1991 | — | |
| Oct 1, 1990 | — | MR | No | No | — | TT | — | Resolved | Dec 23, 1991 | — | |
| Oct 1, 1990 | — | MR | No | No | — | TT | — | Resolved | Dec 23, 1991 | — | |
| Oct 1, 1990 | — | MR | No | No | — | TT | — | Resolved | Dec 23, 1991 | — | |
| Oct 1, 1990 | — | MR | No | No | — | TT | — | Resolved | Dec 23, 1991 | — | |
| Oct 1, 1990 | — | MR | No | No | — | TT | — | Resolved | Dec 23, 1991 | — | |
| Oct 1, 1990 | — | MR | No | No | — | TT | — | Resolved | Dec 23, 1991 | — | |
| Oct 1, 1990 | — | MR | No | No | — | TT | — | Resolved | Dec 23, 1991 | — | |
| Oct 1, 1990 | — | MR | No | No | — | TT | — | Resolved | Dec 23, 1991 | — | |
| Oct 1, 1990 | — | MR | No | No | — | TT | — | Resolved | Dec 23, 1991 | — | |
| Jan 1, 1989 | Dec 31, 1992 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Dec 31, 1992 | — | |
| Jan 1, 1989 | Dec 31, 1992 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Dec 31, 1992 | — | |
| Jan 1, 1989 | Dec 31, 1992 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Dec 31, 1992 | — | |
| Jan 1, 1989 | Dec 31, 1992 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Dec 31, 1992 | — | |
| Jan 1, 1989 | Dec 31, 1992 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Dec 31, 1992 | — | |
| Jan 1, 1989 | Dec 31, 1992 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Dec 31, 1992 | — | |
| Jan 1, 1989 | Dec 31, 1992 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Dec 31, 1992 | — | |
| Jan 1, 1989 | Dec 31, 1992 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Dec 31, 1992 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Mar 31, 1991 | — | |
| Apr 1, 1988 | Mar 31, 1991 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 1991 | — |
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.