CENTENNIAL WATER AND SEWER DISTRICT
Wyoming — Community Water System — PWSID: WY5601232
System Information
| PWSID | WY5601232 |
| System Name | CENTENNIAL WATER AND SEWER DISTRICT |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 19, 1993 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | Wyoming |
| City | LARAMIE |
| ZIP Code | 82070 |
| Address | 80 Hecht Creek Rd. |
| Organization | HENDRICKS, HARMONY |
| Phone | 307-399-7947 |
Population & Service
| Population Served | 150 |
| Service Connections | 100 |
Drinking Water Violations (78)
This water system has 78 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2023 | Mar 31, 2023 | MR | No | No | — | 4.0 mg/L | — | Resolved | Mar 31, 2023 | — | |
| Oct 1, 2022 | — | MR | No | No | — | TT | — | Resolved | Feb 22, 2024 | — | |
| Oct 1, 2022 | — | MR | No | No | — | TT | — | Resolved | Feb 22, 2024 | — | |
| Jul 1, 2022 | Jul 31, 2022 | MON | No | Yes | — | — | — | Resolved | Jul 31, 2022 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2018 | — | |
| Jul 1, 2017 | — | Other | No | No | — | — | — | Resolved | Sep 12, 2017 | — | |
| Jul 1, 2017 | — | Other | No | No | — | — | — | Resolved | Sep 12, 2017 | — | |
| Nov 16, 2015 | — | TT | Yes | No | — | — | — | Resolved | Sep 28, 2018 | — | |
| Nov 16, 2015 | — | TT | Yes | No | — | — | — | Resolved | Sep 28, 2018 | — | |
| Nov 16, 2015 | — | TT | Yes | No | — | — | — | Resolved | Sep 28, 2018 | — | |
| Nov 16, 2015 | — | TT | Yes | No | — | — | — | Resolved | Sep 28, 2018 | — | |
| Oct 1, 2013 | — | TT | Yes | No | — | — | — | Resolved | Sep 28, 2018 | — | |
| Oct 1, 2013 | — | TT | Yes | No | — | — | — | Resolved | Sep 28, 2018 | — | |
| Oct 1, 2013 | — | TT | Yes | No | — | — | — | Resolved | Sep 28, 2018 | — | |
| Oct 1, 2013 | — | TT | Yes | No | — | — | — | Resolved | Sep 28, 2018 | — | |
| Jun 1, 2013 | Jun 30, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2013 | — | |
| Jun 1, 2013 | Jun 30, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2013 | — | |
| Dec 1, 2012 | Dec 31, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2012 | — | |
| Dec 1, 2012 | Dec 31, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2010 | Oct 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2010 | — | |
| Oct 1, 2010 | Oct 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2010 | — | |
| Sep 1, 2010 | Sep 30, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2010 | — | |
| Sep 1, 2010 | Sep 30, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2010 | — | |
| Sep 1, 2010 | Sep 30, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2010 | — | |
| Aug 1, 2010 | Aug 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2010 | — | |
| Aug 1, 2010 | Aug 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2010 | — | |
| Aug 1, 2010 | — | MR | No | Yes | — | — | — | Resolved | Jan 6, 2011 | — | |
| Aug 1, 2010 | Aug 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2010 | — | |
| Aug 1, 2010 | — | MR | No | Yes | — | — | — | Resolved | Jan 6, 2011 | — | |
| Aug 1, 2010 | — | MR | No | Yes | — | — | — | Resolved | Jan 6, 2011 | — | |
| Jul 1, 2008 | — | Other | No | No | — | — | — | Resolved | Sep 22, 2011 | — | |
| Jul 1, 2008 | — | Other | No | No | — | — | — | Resolved | Sep 22, 2011 | — | |
| Jul 1, 2008 | — | Other | No | No | — | — | — | Resolved | Sep 22, 2011 | — | |
| Jul 1, 2008 | — | Other | No | No | — | — | — | Resolved | Sep 22, 2011 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.04 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.04 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.00005 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.0005 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2010 | — |
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.