ROUNDUP WATER DEPARTMENT
Montana - Community Water System - PWSID: MT0000321
System Information
| PWSID | MT0000321 |
| System Name | ROUNDUP WATER DEPARTMENT |
| System Type | Community Water System |
| Water Source | Ground Water |
| 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 | Montana |
| City | ROUNDUP |
| ZIP Code | 59072 |
| Address | PO BOX 660 |
| Organization | LANTER, TANYA |
| Phone | 406-323-2804 |
Population & Service
| Population Served | 1,900 |
| Service Connections | 858 |
Drinking Water Violations (37)
This water system has 37 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, 2023 | Dec 31, 2023 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2023 | - | |
| Jul 1, 2020 | Jul 31, 2020 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2020 | - | |
| Jul 1, 2020 | Jul 31, 2020 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2020 | - | |
| Jul 1, 2020 | Jul 31, 2020 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2020 | - | |
| Jun 1, 2019 | Jun 30, 2019 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2019 | - | |
| Jun 1, 2019 | Jun 30, 2019 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2019 | - | |
| Jun 1, 2019 | Jun 30, 2019 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2019 | - | |
| Jun 1, 2019 | Jun 30, 2019 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2019 | - | |
| Jul 1, 2018 | Jul 31, 2018 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2018 | - | |
| Jul 1, 2018 | Jul 31, 2018 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2018 | - | |
| Jul 1, 2018 | Jul 31, 2018 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2018 | - | |
| Jul 1, 2018 | - | Other | No | No | - | - | - | Resolved | Jul 25, 2018 | - | |
| Jul 1, 2018 | - | Other | No | No | - | - | - | Resolved | Jul 25, 2018 | - | |
| Sep 1, 2014 | Aug 31, 2015 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2015 | - | |
| Sep 1, 2014 | Aug 31, 2015 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2015 | - | |
| Sep 1, 2014 | Aug 31, 2015 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2015 | - | |
| Sep 1, 2014 | Aug 31, 2015 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2015 | - | |
| Sep 1, 2014 | Aug 31, 2015 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2015 | - | |
| Sep 1, 2014 | Aug 31, 2015 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2015 | - | |
| Oct 1, 2013 | - | Other | No | No | - | - | - | Resolved | Dec 26, 2013 | - | |
| Oct 1, 2013 | - | Other | No | No | - | - | - | Resolved | Dec 26, 2013 | - | |
| Oct 1, 2010 | - | MR | No | No | - | TT | - | Resolved | Aug 30, 2011 | - | |
| Oct 1, 2010 | - | MR | No | No | - | TT | - | Resolved | Aug 30, 2011 | - | |
| Oct 1, 2010 | - | MR | No | No | - | TT | - | Resolved | Aug 30, 2011 | - | |
| Oct 1, 2010 | - | MR | No | No | - | TT | - | Resolved | Aug 30, 2011 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Aug 18, 2008 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Aug 18, 2008 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Aug 18, 2008 | - | |
| Sep 1, 1995 | Sep 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1995 | - | |
| Sep 1, 1995 | Sep 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1995 | - | |
| Aug 1, 1994 | Aug 31, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1994 | - | |
| - | - | - | 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.