TWINS INN INC
Colorado - Transient Non-Community - PWSID: CO0230063
System Information
| PWSID | CO0230063 |
| System Name | TWINS INN INC |
| 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 | ARVADA |
| ZIP Code | 80002 |
| Address | 5201 RALSTON RD |
| Organization | MAJORS, MARTIN |
| Phone | 303-422-7777 |
Population & Service
| Population Served | 31 |
| Service Connections | 1 |
Drinking Water Violations (76)
This water system has 76 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 | MON | No | Yes | - | - | - | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MON | No | Yes | - | - | - | Archived | Dec 31, 2025 | - | |
| Feb 2, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Mar 24, 2023 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Dec 24, 2022 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Apr 1, 2022 | Jun 30, 2022 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2022 | - | |
| Nov 1, 2015 | Nov 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2015 | - | |
| Nov 1, 2015 | Nov 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2015 | - | |
| Nov 1, 2015 | Nov 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2015 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| May 1, 2014 | May 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| May 1, 2014 | May 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| May 1, 2014 | May 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| May 1, 2014 | May 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2014 | - | |
| Oct 1, 2013 | Dec 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2013 | - | |
| Oct 1, 2013 | Dec 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2013 | - | |
| Oct 1, 2013 | Dec 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2013 | - | |
| Oct 1, 2013 | Dec 31, 2013 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Oct 1, 2013 | Dec 31, 2013 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Oct 1, 2013 | Dec 31, 2013 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Oct 1, 1998 | Dec 31, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1998 | - | |
| Oct 1, 1998 | Dec 31, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1998 | - | |
| Oct 1, 1998 | Dec 31, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 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 | - | |
| Jul 1, 1998 | Sep 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1998 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1998 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1998 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1998 | - | |
| Jan 1, 1998 | Mar 31, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 1998 | - | |
| Jan 1, 1998 | Mar 31, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 1998 | - | |
| Jan 1, 1998 | Mar 31, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 1998 | - | |
| Jan 1, 1998 | Dec 31, 1998 | MR | No | Yes | - | - | - | Resolved | Dec 31, 1998 | - | |
| Jan 1, 1998 | Dec 31, 1998 | MR | No | Yes | - | - | - | Resolved | Dec 31, 1998 | - | |
| Jan 1, 1998 | Dec 31, 1998 | MR | No | Yes | - | - | - | Resolved | Dec 31, 1998 | - | |
| Oct 1, 1997 | Dec 31, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1997 | - | |
| Oct 1, 1997 | Dec 31, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1997 | - | |
| Oct 1, 1997 | Dec 31, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 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 | - | |
| 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.