TUMBLING RIVER RANCH
Colorado - Transient Non-Community - PWSID: CO0247015
System Information
| PWSID | CO0247015 |
| System Name | TUMBLING RIVER RANCH |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 20, 1979 |
| Last Reported | Feb 23, 2026 |
Location & Contact
| State | Colorado |
| City | GRANT |
| ZIP Code | 80448 |
| Address | - |
| Organization | CHAVY, MICKAEL |
| Phone | 301-910-3131 |
Population & Service
| Population Served | 124 |
| Service Connections | 12 |
Drinking Water Violations (70)
This water system has 70 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2025 | Sep 30, 2025 | MON | No | Yes | - | - | - | Archived | Sep 30, 2025 | - | |
| Sep 1, 2025 | Sep 30, 2025 | MON | No | Yes | - | - | - | Archived | Sep 30, 2025 | - | |
| Aug 16, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Aug 1, 2025 | Aug 31, 2025 | MON | No | Yes | - | - | - | Archived | Aug 31, 2025 | - | |
| Aug 1, 2025 | Aug 31, 2025 | MON | No | Yes | - | - | - | Archived | Aug 31, 2025 | - | |
| Jul 11, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Jul 11, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Jun 1, 2025 | Jun 30, 2025 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2025 | - | |
| Jun 1, 2025 | Jun 30, 2025 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2025 | - | |
| Jun 1, 2025 | Jun 30, 2025 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 10 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 10 mg/L | - | Archived | Dec 31, 2025 | - | |
| Sep 1, 2024 | Sep 30, 2024 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2024 | - | |
| Sep 1, 2024 | Sep 30, 2024 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2024 | - | |
| Sep 1, 2024 | Sep 30, 2024 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2024 | - | |
| Aug 17, 2024 | - | Other | No | No | - | - | - | Resolved | Sep 23, 2024 | - | |
| Aug 17, 2024 | - | Other | No | No | - | - | - | Resolved | Sep 23, 2024 | - | |
| Aug 1, 2024 | Aug 31, 2024 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2024 | - | |
| Aug 1, 2024 | Aug 31, 2024 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2024 | - | |
| Aug 1, 2024 | Aug 31, 2024 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2024 | - | |
| Jul 11, 2024 | - | TT | Yes | No | - | - | - | Resolved | Jul 17, 2024 | - | |
| Jul 11, 2024 | - | TT | Yes | No | - | - | - | Resolved | Jul 17, 2024 | - | |
| Jul 11, 2024 | - | TT | Yes | No | - | - | - | Resolved | Jul 17, 2024 | - | |
| Jul 11, 2024 | - | TT | Yes | No | - | - | - | Resolved | Jul 17, 2024 | - | |
| Jul 11, 2022 | - | RPT | No | No | - | - | - | Resolved | Jul 21, 2022 | - | |
| Jul 11, 2022 | - | RPT | No | No | - | - | - | Resolved | Jul 21, 2022 | - | |
| Jul 11, 2022 | - | RPT | No | No | - | - | - | Resolved | Jul 21, 2022 | - | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2015 | - | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2015 | - | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2015 | - | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2015 | - | |
| Jan 1, 2011 | Dec 31, 2019 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2011 | Dec 31, 2019 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2011 | Dec 31, 2019 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Apr 1, 2003 | Jun 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2003 | - | |
| Apr 1, 2003 | Jun 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2003 | - | |
| Apr 1, 2003 | Jun 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2003 | - | |
| Apr 1, 2003 | Jun 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2003 | - | |
| Jul 1, 2000 | Jul 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2000 | - | |
| Jul 1, 2000 | Jul 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2000 | - | |
| Jul 1, 2000 | Jul 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2000 | - | |
| Jul 1, 1999 | Sep 30, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1999 | - | |
| Jul 1, 1999 | Sep 30, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1999 | - | |
| Jul 1, 1999 | Sep 30, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1999 | - | |
| Jul 1, 1998 | Sep 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1998 | - | |
| Jul 1, 1998 | Sep 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1998 | - | |
| Jul 1, 1998 | Sep 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1998 | - | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1997 | - | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1997 | - | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1997 | - |
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.