MANDERSON, TOWN OF
Wyoming — Community Water System — PWSID: WY5600204
System Information
| PWSID | WY5600204 |
| System Name | MANDERSON, TOWN OF |
| System Type | Community Water System |
| Water Source | Ground Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1979 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Wyoming |
| City | BASIN |
| ZIP Code | 82410 |
| Address | P.O. Box 21 |
| Organization | DELLOS, MIKE |
| Phone | 000-000-0000 |
Population & Service
| Population Served | 110 |
| Service Connections | 59 |
Drinking Water Violations (13)
This water system has 13 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 2024 | Jun 30, 2024 | Chlorine | MR | No | No | — | 4.0 mg/L | — | Resolved | Jun 30, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 6, 2024 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Apr 8, 2025 | Ground Water Rule |
| Apr 6, 2024 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Apr 8, 2025 | Ground Water Rule |
| Apr 6, 2024 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Apr 8, 2025 | Ground Water Rule |
| Apr 1, 2011 | Apr 30, 2011 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2011 | Total Coliform Rule |
| Apr 1, 2011 | Apr 30, 2011 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2011 | Total Coliform Rule |
| Aug 1, 2010 | Aug 31, 2010 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2010 | Total Coliform Rule |
| Aug 1, 2010 | Aug 31, 2010 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2010 | Total Coliform Rule |
| Oct 1, 2001 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 12, 2002 | Lead and Copper Rule |
| Oct 1, 2001 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 12, 2002 | Lead and Copper Rule |
| Jul 1, 1980 | Jun 30, 1981 | Gross Alpha, Excl. Radon and U | MR | No | Yes | — | 15 pCi/L | — | Archived | Jun 30, 1981 | Radionuclides and Revised Rad Rule |
| Jul 1, 1976 | Jun 30, 1980 | Gross Alpha, Excl. Radon and U | MR | No | No | — | 15 pCi/L | — | Archived | Jun 30, 1980 | Radionuclides and Revised Rad Rule |
| Jul 1, 1976 | Jun 30, 1980 | Combined Radium (-226 and -228) | MR | No | No | — | 5 pCi/L | — | Archived | Jun 30, 1980 | 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.