GRIMES WATER SUPPLY
Iowa - Community Water System - PWSID: IA7736011
System Information
| PWSID | IA7736011 |
| System Name | GRIMES 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 | GRIMES |
| ZIP Code | 50111 |
| Address | ATTN WATER SUPT |
| Organization | GRIMES WATER SUPPLY |
| Phone | 515-986-3176 |
Population & Service
| Population Served | 15,392 |
| Service Connections | 4,090 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2021 | Mar 31, 2021 | MR | No | Yes | - | 1 mg/L | - | Resolved | Mar 31, 2021 | - | |
| Jan 1, 2021 | Mar 31, 2021 | MR | No | Yes | - | 1 mg/L | - | Resolved | Mar 31, 2021 | - | |
| Jan 1, 2021 | Mar 31, 2021 | MR | No | Yes | - | 1 mg/L | - | Resolved | Mar 31, 2021 | - | |
| Jan 1, 2021 | Mar 31, 2021 | MR | No | Yes | - | 1 mg/L | - | Resolved | Mar 31, 2021 | - | |
| Oct 1, 2011 | Oct 31, 2011 | Other | No | No | - | - | - | Resolved | Oct 31, 2011 | - | |
| Oct 1, 2011 | Oct 31, 2011 | Other | No | No | - | - | - | Resolved | Oct 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Oct 1, 1997 | Sep 30, 1998 | MR | No | Yes | - | 10 mg/L | - | Archived | Sep 30, 1998 | - | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 1997 | - | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Jun 30, 1997 | - | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Jun 30, 1997 | - | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Jun 30, 1997 | - | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Jun 30, 1997 | - | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 1997 | - | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 1997 | - | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 30, 1997 | - | |
| Jul 1, 1985 | Jun 30, 1989 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Jun 30, 1989 | - | |
| Jul 1, 1985 | Jun 30, 1989 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Jun 30, 1989 | - | |
| Oct 1, 1983 | Sep 30, 1984 | MCL | Yes | No | 2.8 | 4.0 mg/L | 2 | Archived | Sep 30, 1984 | - | |
| Sep 26, 1980 | Oct 25, 1980 | MCL | Yes | No | 9 | 5 pCi/L | 5 | Archived | Oct 25, 1980 | - | |
| Aug 8, 1980 | Oct 7, 1980 | MCL | Yes | No | 16.8 | 15 pCi/L | 15 | Archived | Oct 7, 1980 | - | |
| Sep 14, 1979 | Sep 13, 1980 | MCL | Yes | No | 2.9 | 4.0 mg/L | 2 | Archived | Sep 13, 1980 | - | |
| Sep 14, 1979 | Sep 13, 1980 | MCL | Yes | No | 3.2 | 4.0 mg/L | 141.11 | Archived | Sep 13, 1980 | - | |
| Sep 13, 1979 | Oct 12, 1980 | MCL | Yes | No | 3.2 | 4.0 mg/L | 2 | Archived | Oct 12, 1980 | - | |
| Apr 24, 1979 | Apr 23, 1980 | MCL | Yes | No | 9 | 5 pCi/L | 141.15 | Archived | Apr 23, 1980 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
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| - | - | - | 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.