UNIFIED ALASKAN UTILITIES SHERWOOD ESTAT
Alaska — Community Water System — PWSID: AK2224078
System Information
| PWSID | AK2224078 |
| System Name | UNIFIED ALASKAN UTILITIES SHERWOOD ESTAT |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Sep 26, 1985 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | Alaska |
| City | ANCHORAGE |
| ZIP Code | 99523-3368 |
| Address | P.O. BOX 233368 |
| Organization | NORTHERN UTILITY SERVICES LLC |
| Phone | 907-222-4084 |
Population & Service
| Population Served | 147 |
| Service Connections | 59 |
Drinking Water Violations (461)
This water system has 461 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 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2025 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2021 | — | |
| Mar 6, 2019 | — | TT | Yes | No | — | — | — | Resolved | Sep 6, 2019 | — | |
| Jan 21, 2019 | — | TT | Yes | No | — | — | — | Resolved | Sep 6, 2019 | — | |
| Jan 21, 2019 | — | TT | Yes | No | — | — | — | Resolved | Sep 6, 2019 | — | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2018 | — | |
| Oct 1, 2016 | Dec 31, 2016 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2016 | — | |
| Oct 1, 2016 | — | TT | Yes | No | — | — | — | Resolved | May 26, 2017 | — | |
| Oct 1, 2016 | — | TT | Yes | No | — | — | — | Resolved | May 26, 2017 | — | |
| Jan 1, 2016 | Mar 31, 2016 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2016 | — | |
| Jul 1, 2015 | — | Other | No | No | — | — | — | Resolved | Jul 17, 2017 | — | |
| Jan 1, 2014 | — | MR | No | No | — | TT | — | Resolved | Oct 21, 2015 | — | |
| Oct 2, 2013 | — | MR | No | No | — | — | — | Resolved | Oct 21, 2015 | — | |
| Apr 16, 2013 | — | TT | Yes | No | — | — | — | Resolved | Dec 15, 2014 | — | |
| Apr 14, 2013 | — | TT | Yes | No | — | — | — | Resolved | Dec 15, 2014 | — | |
| Jan 1, 2012 | — | MR | No | No | — | TT | — | Resolved | Oct 21, 2015 | — | |
| Jan 1, 2012 | — | MR | No | No | — | TT | — | Unaddressed | — | — | |
| Jan 1, 2012 | — | MR | No | No | — | TT | — | Resolved | Oct 21, 2015 | — | |
| Jul 1, 2011 | — | MR | No | No | — | TT | — | Resolved | Nov 21, 2012 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 1 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2011 | — |
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.