SOUTH TONGASS WATER UTILITY
Alaska - Community Water System - PWSID: AK2121510
System Information
| PWSID | AK2121510 |
| System Name | SOUTH TONGASS WATER UTILITY |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Aug 16, 2011 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | Alaska |
| City | KETCHIKAN |
| ZIP Code | 99901 |
| Address | 1900 First Ave., Suite 219 |
| Organization | BARRY, MORGAN |
| Phone | 907-228-6664 |
Population & Service
| Population Served | 975 |
| Service Connections | 327 |
Drinking Water Violations (103)
This water system has 103 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, 2025 | Sep 30, 2025 | MCL | Yes | No | .076 MG/L | 0.060 mg/L | .06 | Resolved | Sep 30, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | .076 MG/L | 0.060 mg/L | .06 | Resolved | Sep 30, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | .076 MG/L | 0.060 mg/L | .06 | Resolved | Sep 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .079 MG/L | 0.060 mg/L | .06 | Resolved | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .079 MG/L | 0.060 mg/L | .06 | Resolved | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .079 MG/L | 0.060 mg/L | .06 | Resolved | Jun 30, 2025 | - | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .07 MG/L | 0.060 mg/L | .06 | Resolved | Mar 31, 2025 | - | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .07 MG/L | 0.060 mg/L | .06 | Resolved | Mar 31, 2025 | - | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .07 MG/L | 0.060 mg/L | .06 | Resolved | Mar 31, 2025 | - | |
| Jan 1, 2020 | Jan 31, 2020 | MR | No | No | - | - | - | Resolved | Jan 31, 2020 | - | |
| Jan 1, 2019 | Jan 31, 2019 | MR | No | No | - | - | - | Resolved | Jan 31, 2019 | - | |
| Jan 1, 2019 | Jan 31, 2019 | MR | No | No | - | - | - | Resolved | Jan 31, 2019 | - | |
| Jan 1, 2019 | Jan 31, 2019 | MR | No | No | - | - | - | Resolved | Jan 31, 2019 | - | |
| Jan 1, 2019 | Jan 31, 2019 | MR | No | No | - | - | - | Resolved | Jan 31, 2019 | - | |
| Oct 1, 2018 | Oct 31, 2018 | MR | No | No | - | - | - | Resolved | Oct 31, 2018 | - | |
| Jan 1, 2018 | Jan 31, 2018 | TT | Yes | No | - | - | - | Resolved | Jan 31, 2018 | - | |
| Oct 1, 2017 | Dec 31, 2017 | MCL | Yes | No | .078 MG/L | 0.060 mg/L | .06 | Resolved | Dec 31, 2017 | - | |
| Oct 1, 2017 | - | Other | No | No | - | - | - | Resolved | Feb 3, 2020 | - | |
| Oct 1, 2017 | - | Other | No | No | - | - | - | Resolved | Feb 3, 2020 | - | |
| Oct 1, 2017 | Oct 31, 2017 | MR | No | No | - | - | - | Resolved | Oct 31, 2017 | - | |
| Jul 1, 2017 | Jul 31, 2017 | TT | Yes | No | - | - | - | Resolved | Jul 31, 2017 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MCL | Yes | No | .071 MG/L | 0.060 mg/L | .06 | Resolved | Sep 30, 2016 | - | |
| Jun 30, 2016 | - | MR | No | No | - | 0.060 mg/L | - | Resolved | Jul 22, 2016 | - | |
| Mar 31, 2016 | - | MR | No | No | - | 0.060 mg/L | - | Resolved | Jul 22, 2016 | - | |
| Jan 1, 2016 | Mar 31, 2016 | MCL | Yes | No | .077 MG/L | 0.060 mg/L | .06 | Resolved | Mar 31, 2016 | - | |
| Jan 1, 2016 | Mar 31, 2016 | MCL | Yes | No | .077 MG/L | 0.060 mg/L | .06 | Resolved | Mar 31, 2016 | - | |
| Dec 30, 2015 | - | MR | No | No | - | 0.060 mg/L | - | Resolved | Jul 22, 2016 | - | |
| Sep 29, 2015 | - | MR | No | No | - | 0.060 mg/L | - | Resolved | Jul 22, 2016 | - | |
| Jun 30, 2015 | - | MR | No | No | - | 0.060 mg/L | - | Resolved | Jul 22, 2016 | - | |
| Apr 1, 2015 | - | MR | No | No | - | 0.060 mg/L | - | Resolved | Jul 22, 2016 | - | |
| Mar 1, 2015 | Mar 31, 2015 | TT | Yes | No | - | - | - | Resolved | Mar 31, 2015 | - | |
| Mar 1, 2015 | Mar 31, 2015 | TT | Yes | No | - | - | - | Resolved | Mar 31, 2015 | - | |
| Dec 1, 2013 | Dec 31, 2013 | TT | Yes | No | - | - | - | Resolved | Dec 31, 2013 | - | |
| Dec 1, 2013 | Dec 31, 2013 | TT | Yes | No | - | - | - | Resolved | Dec 31, 2013 | - | |
| Nov 1, 2013 | Nov 30, 2013 | TT | Yes | No | - | - | - | Resolved | Nov 30, 2013 | - | |
| Nov 1, 2013 | Nov 30, 2013 | TT | Yes | No | - | - | - | Resolved | Nov 30, 2013 | - | |
| Aug 1, 2013 | Aug 31, 2013 | TT | Yes | No | - | - | - | Resolved | Aug 31, 2013 | - | |
| Mar 1, 2013 | Mar 31, 2013 | TT | Yes | No | - | - | - | Resolved | Mar 31, 2013 | - | |
| Feb 1, 2013 | Feb 28, 2013 | TT | Yes | No | - | - | - | Resolved | Feb 28, 2013 | - | |
| Oct 1, 2012 | Oct 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2012 | - | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2012 | - | |
| Oct 1, 2012 | Oct 31, 2012 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2012 | - | |
| Aug 1, 2011 | Aug 31, 2011 | TT | Yes | No | - | - | - | Resolved | Aug 31, 2011 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - |
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.