Y-O INVESTMENTS, INC.
Wyoming — Community Water System — PWSID: WY5600777
System Information
| PWSID | WY5600777 |
| System Name | Y-O INVESTMENTS, 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 | Dec 13, 1983 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Wyoming |
| City | JACKSON |
| ZIP Code | 83001 |
| Address | 3070 South Stirrup Drive |
| Organization | SMITH, JANICE |
| Phone | 307-699-0232 |
Population & Service
| Population Served | 173 |
| Service Connections | 84 |
Drinking Water Violations (18)
This water system has 18 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2016 | Sep 30, 2016 | Combined Uranium | MR | No | Yes | — | 30 ug/L | — | Resolved | Sep 30, 2016 | Radionuclides and Revised Rad Rule |
| Jul 1, 2016 | Sep 30, 2016 | Gross Alpha, Excl. Radon and U | MR | No | Yes | — | 15 pCi/L | — | Resolved | Sep 30, 2016 | Radionuclides and Revised Rad Rule |
| Jul 1, 2016 | Sep 30, 2016 | Combined Radium (-226 and -228) | MR | No | Yes | — | 5 pCi/L | — | Resolved | Sep 30, 2016 | Radionuclides and Revised Rad Rule |
| Jul 1, 2016 | Sep 30, 2016 | Radium-226 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2016 | Radionuclides and Revised Rad Rule |
| Jul 1, 2016 | Sep 30, 2016 | Radium-228 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2016 | Radionuclides and Revised Rad Rule |
| Sep 1, 2015 | Sep 30, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2015 | Total Coliform Rule |
| Sep 1, 2015 | Sep 30, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2015 | Total Coliform Rule |
| Aug 1, 2015 | Aug 31, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2015 | Total Coliform Rule |
| Aug 1, 2009 | Aug 31, 2009 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2009 | Total Coliform Rule |
| Aug 1, 2009 | Aug 31, 2009 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2009 | Total Coliform Rule |
| Aug 1, 2009 | Aug 31, 2009 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2009 | Total Coliform Rule |
| Jul 1, 2009 | Jul 31, 2009 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2009 | Total Coliform Rule |
| Jul 1, 2009 | Jul 31, 2009 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2009 | Total Coliform Rule |
| Jul 1, 2009 | Jul 31, 2009 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2009 | Total Coliform Rule |
| Jan 1, 2004 | Dec 31, 2004 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2004 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2004 | Dec 31, 2004 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2004 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2002 | Dec 31, 2004 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2004 | Nitrate Rule |
| Sep 1, 1983 | Aug 31, 1987 | Gross Alpha, Excl. Radon and U | MR | No | Yes | — | 15 pCi/L | — | Archived | Aug 31, 1987 | Radionuclides and Revised Rad Rule |
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.