SENTINEL BUTTE CITY OF
North Dakota — Community Water System — PWSID: ND1700870
System Information
| PWSID | ND1700870 |
| System Name | SENTINEL BUTTE CITY OF |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 1, 1982 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | North Dakota |
| City | SENTINEL BUTTE |
| ZIP Code | 58654 |
| Address | 20 S WEST ST-SUITE A |
| Organization | VAN HORN, FAITH |
| Phone | 701-872-3964 |
Population & Service
| Population Served | 56 |
| Service Connections | 41 |
Drinking Water Violations (25)
This water system has 25 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, 2025 | Dec 31, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Dec 31, 2025 | — | |
| Oct 2, 2019 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Jul 1, 2019 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Oct 2, 2017 | — | Other | No | No | — | — | — | Resolved | Oct 16, 2018 | — | |
| Jul 1, 2017 | — | Other | No | No | — | — | — | Resolved | Jul 23, 2018 | — | |
| Jan 1, 2017 | — | MR | No | No | — | TT | — | Resolved | Jun 6, 2017 | — | |
| Oct 2, 2016 | — | Other | No | No | — | — | — | Resolved | Oct 16, 2018 | — | |
| Jul 1, 2016 | — | Other | No | No | — | — | — | Resolved | Jul 23, 2018 | — | |
| Oct 2, 2014 | — | Other | No | No | — | — | — | Resolved | Sep 22, 2015 | — | |
| Jul 1, 2014 | — | Other | No | No | — | — | — | Resolved | Sep 22, 2015 | — | |
| Aug 1, 1993 | Aug 31, 1993 | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1993 | — | |
| Aug 1, 1993 | Aug 31, 1993 | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1993 | — | |
| Aug 1, 1993 | Aug 31, 1993 | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1993 | — | |
| Aug 1, 1993 | Aug 31, 1993 | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1993 | — | |
| Jul 1, 1991 | Jul 31, 1991 | MR | No | Yes | — | 5% of samples | — | Archived | Jul 31, 1991 | — | |
| Jul 1, 1991 | Jul 31, 1991 | MR | No | Yes | — | 5% of samples | — | Archived | Jul 31, 1991 | — | |
| Apr 1, 1983 | Mar 31, 1986 | MCL | Yes | No | 2.6 | 4.0 mg/L | 2.4 | Archived | Mar 31, 1986 | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | 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.