SIRWA - CORNING
Iowa — Community Water System — PWSID: IA0207704
System Information
| PWSID | IA0207704 |
| System Name | SIRWA - CORNING |
| 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 | Aug 27, 1999 |
| Last Reported | Mar 17, 2026 |
Location & Contact
| State | Iowa |
| City | CRESTON |
| ZIP Code | 50801 |
| Address | ATTN CHAD MAHAN |
| Organization | SIRWA (CORNING) |
| Phone | 641-782-5744 |
Population & Service
| Population Served | 2,585 |
| Service Connections | 1,034 |
Drinking Water Violations (29)
This water system has 29 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2006 | Mar 31, 2006 | MCL | Yes | No | .082 | 0.080 mg/L | — | Resolved | Mar 31, 2006 | — | |
| Jan 1, 2006 | Mar 31, 2006 | MCL | Yes | No | .082 | 0.080 mg/L | — | Resolved | Mar 31, 2006 | — | |
| Jan 1, 2006 | Mar 31, 2006 | MCL | Yes | No | .082 | 0.080 mg/L | — | Resolved | Mar 31, 2006 | — | |
| Jan 1, 2006 | Mar 31, 2006 | MCL | Yes | No | .082 | 0.080 mg/L | — | Resolved | Mar 31, 2006 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MCL | Yes | No | .11 | 0.080 mg/L | — | Resolved | Dec 31, 2005 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MCL | Yes | No | .11 | 0.080 mg/L | — | Resolved | Dec 31, 2005 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MCL | Yes | No | .11 | 0.080 mg/L | — | Resolved | Dec 31, 2005 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MCL | Yes | No | .11 | 0.080 mg/L | — | Resolved | Dec 31, 2005 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MCL | Yes | No | .11 | 0.080 mg/L | — | Resolved | Dec 31, 2005 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MCL | Yes | No | .11 | 0.080 mg/L | — | Resolved | Dec 31, 2005 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MCL | Yes | No | .11 | 0.080 mg/L | — | Resolved | Dec 31, 2005 | — | |
| Jul 1, 2005 | Sep 30, 2005 | MCL | Yes | No | .124 | 0.080 mg/L | — | Resolved | Sep 30, 2005 | — | |
| Jul 1, 2005 | Sep 30, 2005 | MCL | Yes | No | .124 | 0.080 mg/L | — | Resolved | Sep 30, 2005 | — | |
| Jul 1, 2005 | Sep 30, 2005 | MCL | Yes | No | .124 | 0.080 mg/L | — | Resolved | Sep 30, 2005 | — | |
| Jul 1, 2005 | Sep 30, 2005 | MCL | Yes | No | .124 | 0.080 mg/L | — | Resolved | Sep 30, 2005 | — | |
| Apr 1, 2005 | Jun 30, 2005 | MCL | Yes | No | .153 | 0.080 mg/L | — | Resolved | Jun 30, 2005 | — | |
| Apr 1, 2005 | Jun 30, 2005 | MCL | Yes | No | .153 | 0.080 mg/L | — | Resolved | Jun 30, 2005 | — | |
| Apr 1, 2005 | Jun 30, 2005 | MCL | Yes | No | .153 | 0.080 mg/L | — | Resolved | Jun 30, 2005 | — | |
| Apr 1, 2005 | Jun 30, 2005 | MCL | Yes | No | .153 | 0.080 mg/L | — | Resolved | Jun 30, 2005 | — | |
| Jan 1, 2005 | Mar 31, 2005 | MCL | Yes | No | .15 | 0.080 mg/L | — | Resolved | Mar 31, 2005 | — | |
| Jan 1, 2005 | Mar 31, 2005 | MCL | Yes | No | .15 | 0.080 mg/L | — | Resolved | Mar 31, 2005 | — | |
| Jan 1, 2005 | Mar 31, 2005 | MCL | Yes | No | .15 | 0.080 mg/L | — | Resolved | Mar 31, 2005 | — | |
| Jan 1, 2005 | Mar 31, 2005 | MCL | Yes | No | .15 | 0.080 mg/L | — | Resolved | Mar 31, 2005 | — | |
| Jan 1, 2005 | Mar 31, 2005 | MCL | Yes | No | .15 | 0.080 mg/L | — | Resolved | Mar 31, 2005 | — | |
| Jan 1, 2005 | Mar 31, 2005 | MCL | Yes | No | .15 | 0.080 mg/L | — | Resolved | Mar 31, 2005 | — | |
| Oct 1, 2004 | Dec 31, 2004 | MCL | Yes | No | .14 | 0.080 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Oct 1, 2004 | Dec 31, 2004 | MCL | Yes | No | .14 | 0.080 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Oct 1, 2004 | Dec 31, 2004 | MCL | Yes | No | .14 | 0.080 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Oct 1, 2004 | Dec 31, 2004 | MCL | Yes | No | .14 | 0.080 mg/L | — | Resolved | Dec 31, 2004 | — |
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.