GRANVILLE WATER SUPPLY
Iowa — Community Water System — PWSID: IA8429002
System Information
| PWSID | IA8429002 |
| System Name | GRANVILLE WATER SUPPLY |
| System Type | Community Water System |
| Water Source | GUP |
| 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 | GRANVILLE |
| ZIP Code | 51022 |
| Address | ATTN DUANE NIICHEL |
| Organization | GRANVILLE WATER SUPPLY |
| Phone | 712-727-3365 |
Population & Service
| Population Served | 310 |
| Service Connections | 186 |
Drinking Water Violations (21)
This water system has 21 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, 1999 | Jul 31, 1999 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1999 | — | |
| Jul 1, 1999 | Jul 31, 1999 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1999 | — | |
| Jul 1, 1999 | Jul 31, 1999 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1999 | — | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | Yes | — | 1 mg/L | — | Resolved | Jun 30, 1997 | — | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | Yes | — | 1 mg/L | — | Resolved | Jun 30, 1997 | — | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | Yes | — | 1 mg/L | — | Resolved | Jun 30, 1997 | — | |
| Jul 1, 1995 | Jun 30, 1999 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Jun 30, 1999 | — | |
| Jul 1, 1995 | Jun 30, 1999 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Jun 30, 1999 | — | |
| Jul 1, 1995 | Jun 30, 1999 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Jun 30, 1999 | — | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 1995 | — | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 1995 | — | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 1995 | — | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 1995 | — | |
| Oct 1, 1993 | Oct 31, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1993 | — | |
| Oct 1, 1993 | Oct 31, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1993 | — | |
| Oct 1, 1993 | Oct 31, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1993 | — | |
| Oct 1, 1993 | Oct 31, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1993 | — | |
| Oct 1, 1993 | Oct 31, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1993 | — | |
| Oct 1, 1993 | Oct 31, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1993 | — | |
| Jul 1, 1990 | Jun 30, 1993 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Jun 30, 1993 | — | |
| — | — | — | No | No | — | — | — | — | — | — |
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.