RIO VISTA ESTATES HOA ASSOC INC
Montana - Community Water System - PWSID: MT0004480
System Information
| PWSID | MT0004480 |
| System Name | RIO VISTA ESTATES HOA ASSOC INC |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Aug 15, 2008 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | LAUREL |
| ZIP Code | 59044 |
| Address | 40 BUS LANE |
| Organization | SPITZER, DARCI |
| Phone | 406-543-8033 |
Population & Service
| Population Served | 50 |
| Service Connections | 29 |
Drinking Water Violations (168)
This water system has 168 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, 2024 | - | MR | No | No | - | TT | - | Resolved | Jun 27, 2025 | - | |
| Oct 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Jun 27, 2025 | - | |
| Oct 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Jun 27, 2025 | - | |
| Dec 30, 2021 | - | MR | No | No | - | TT | - | Resolved | Aug 21, 2025 | - | |
| Dec 30, 2021 | - | MR | No | No | - | TT | - | Resolved | Aug 21, 2025 | - | |
| Jul 1, 2020 | - | Other | No | No | - | - | - | Resolved | Oct 16, 2020 | - | |
| Jul 1, 2020 | - | Other | No | No | - | - | - | Resolved | Oct 16, 2020 | - | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2019 | - | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2019 | - | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2019 | - | |
| Apr 1, 2018 | Apr 30, 2018 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2018 | - | |
| Apr 1, 2018 | Apr 30, 2018 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2018 | - | |
| Apr 1, 2018 | Apr 30, 2018 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2018 | - | |
| Jul 1, 2014 | Sep 30, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2014 | - | |
| Jul 1, 2014 | Sep 30, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2014 | - | |
| Jul 1, 2014 | Sep 30, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2014 | - | |
| Jul 1, 2014 | Sep 30, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2014 | - | |
| Oct 1, 2013 | Dec 31, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Oct 1, 2013 | Dec 31, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Oct 1, 2013 | Dec 31, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Oct 1, 2013 | Dec 31, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Oct 1, 2013 | Dec 31, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Oct 1, 2013 | Dec 31, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2013 | - |
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.