ROCK LAKE CITY OF
North Dakota - Community Water System - PWSID: ND4800828
System Information
| PWSID | ND4800828 |
| System Name | ROCK LAKE CITY OF |
| System Type | Community Water System |
| Water Source | Ground Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1979 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | North Dakota |
| City | ROCK LAKE |
| ZIP Code | 58365 |
| Address | PO BOX 155 |
| Organization | PEARSON, MIRANDA |
| Phone | - |
Population & Service
| Population Served | 94 |
| Service Connections | 107 |
Drinking Water Violations (82)
This water system has 82 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, 2024 | Sep 30, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2024 | - | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2015 | - | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2015 | - | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2015 | - | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2015 | - | |
| Nov 3, 2012 | - | MR | No | No | - | TT | - | Resolved | Jan 8, 2013 | - | |
| Oct 2, 2011 | - | Other | No | No | - | - | - | Resolved | Nov 14, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Jul 1, 2011 | Sep 30, 2011 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2011 | - | |
| Jul 1, 2011 | Sep 30, 2011 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2011 | - | |
| Jul 1, 2011 | Sep 30, 2011 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2011 | - | |
| Jul 1, 2011 | Sep 30, 2011 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2011 | - | |
| Nov 22, 2009 | - | Other | No | No | - | - | - | Resolved | Dec 17, 2009 | - | |
| Nov 22, 2009 | - | Other | No | No | - | - | - | Resolved | Dec 17, 2009 | - | |
| Oct 2, 2009 | - | Other | No | No | - | - | - | Resolved | Nov 14, 2011 | - | |
| Sep 16, 2009 | - | Other | No | No | - | - | - | Resolved | Jun 17, 2011 | - | |
| Sep 16, 2009 | - | Other | No | No | - | - | - | Resolved | Jun 17, 2011 | - | |
| Jul 1, 2009 | Jul 31, 2009 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 2009 | - | |
| Jul 1, 2009 | Jul 31, 2009 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2009 | - | |
| Sep 1, 2006 | Sep 30, 2006 | MR | No | No | - | 5% of samples | - | Archived | Sep 30, 2006 | - | |
| Sep 1, 2006 | Sep 30, 2006 | MR | No | No | - | 5% of samples | - | Archived | Sep 30, 2006 | - | |
| Sep 1, 2006 | Sep 30, 2006 | MR | No | No | - | 5% of samples | - | Archived | Sep 30, 2006 | - | |
| Feb 13, 2006 | - | Other | No | No | - | - | - | Resolved | Jun 17, 2011 | - | |
| Feb 13, 2006 | - | Other | No | No | - | - | - | Resolved | Jun 17, 2011 | - | |
| Dec 19, 2005 | - | Other | No | No | - | - | - | Resolved | Jun 17, 2011 | - | |
| Dec 19, 2005 | - | Other | No | No | - | - | - | Resolved | Jun 17, 2011 | - | |
| Dec 1, 2005 | Dec 31, 2005 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 2005 | - | |
| Dec 1, 2005 | Dec 31, 2005 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 2005 | - | |
| Oct 2, 2005 | - | Other | No | No | - | - | - | Resolved | Nov 14, 2011 | - | |
| Oct 2, 2005 | - | Other | No | No | - | - | - | Resolved | Nov 14, 2011 | - | |
| Oct 1, 2005 | Oct 31, 2005 | MR | No | No | - | 5% of samples | - | Archived | Oct 31, 2005 | - | |
| Oct 1, 2005 | Oct 31, 2005 | MR | No | No | - | 5% of samples | - | Archived | Oct 31, 2005 | - | |
| Oct 2, 2004 | - | Other | No | No | - | - | - | Resolved | Nov 14, 2011 | - | |
| Oct 2, 2004 | - | Other | No | No | - | - | - | Resolved | Nov 14, 2011 | - | |
| Oct 2, 2004 | - | Other | No | No | - | - | - | Resolved | Nov 14, 2011 | - | |
| Jun 22, 2004 | - | Other | No | No | - | - | - | Resolved | Jun 17, 2011 | - | |
| Jun 22, 2004 | - | Other | No | No | - | - | - | Resolved | Jun 17, 2011 | - | |
| Jun 16, 2004 | - | Other | No | No | - | - | - | Resolved | Jun 17, 2011 | - | |
| Jun 16, 2004 | - | Other | No | No | - | - | - | Resolved | Jun 17, 2011 | - | |
| Jun 6, 2004 | - | Other | No | No | - | - | - | Resolved | Jun 17, 2011 | - |
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.