SULWHANON
Washington - Community Water System - PWSID: 105300141
System Information
| PWSID | 105300141 |
| System Name | SULWHANON |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Native American |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Nov 3, 2006 |
| Last Reported | Jun 30, 2026 |
Location & Contact
| State | Washington |
| City | DEMING |
| ZIP Code | 98244 |
| Address | P. O. BOX 157 |
| Organization | LEWIS, RYAN |
| Phone | 360-592-0162 |
Population & Service
| Population Served | 150 |
| Service Connections | 27 |
Drinking Water Violations (391)
This water system has 391 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, 2024 | Mar 31, 2024 | MR | No | Yes | - | 10 mg/L | - | Resolved | Mar 31, 2024 | - | |
| Jan 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Feb 14, 2024 | - | |
| Jan 1, 2024 | Mar 31, 2024 | MR | No | Yes | - | 10 mg/L | - | Resolved | Mar 31, 2024 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Aug 16, 2023 | - | MR | No | Yes | - | - | - | Resolved | Aug 15, 2024 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Sep 29, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Sep 29, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Feb 14, 2024 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Feb 14, 2024 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 10 mg/L | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jul 1, 2022 | Sep 30, 2022 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2022 | - | |
| Jul 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Feb 14, 2024 | - | |
| Jan 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Feb 14, 2024 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 10 mg/L | - | Resolved | Mar 31, 2022 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | - | Other | No | No | - | - | - | Resolved | Oct 4, 2022 | - | |
| Jul 1, 2021 | - | Other | No | No | - | - | - | Resolved | Oct 4, 2022 | - | |
| Jan 31, 2021 | - | MR | No | No | - | TT | - | Resolved | Jul 11, 2024 | - | |
| Jan 31, 2021 | - | MR | No | No | - | TT | - | Resolved | Jul 11, 2024 | - | |
| Apr 2, 2020 | - | MR | No | No | - | TT | - | Resolved | Jul 11, 2024 | - | |
| Apr 2, 2020 | - | MR | No | No | - | TT | - | Resolved | Jul 11, 2024 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Dec 13, 2019 | - | TT | Yes | No | - | - | - | Resolved | Feb 25, 2020 | - | |
| Nov 20, 2019 | - | MR | No | Yes | - | - | - | Resolved | Dec 17, 2019 | - | |
| Oct 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jul 1, 2019 | - | Other | No | No | - | - | - | Resolved | Jul 31, 2019 | - | |
| Jul 1, 2019 | - | TT | Yes | No | - | TT | - | Resolved | Jun 14, 2021 | - | |
| Jun 1, 2019 | Jun 30, 2019 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2019 | - | |
| May 1, 2019 | May 31, 2019 | MON | No | Yes | - | - | - | Resolved | May 31, 2019 | - | |
| Apr 3, 2019 | - | MR | No | No | - | TT | - | Resolved | Oct 5, 2018 | - | |
| Mar 2, 2019 | - | TT | Yes | No | - | TT | - | Resolved | Mar 18, 2022 | - | |
| Mar 2, 2019 | - | TT | Yes | No | - | TT | - | Resolved | Mar 18, 2022 | - | |
| Jan 1, 2019 | Aug 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2021 | - | |
| Jan 1, 2019 | Aug 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2021 | - | |
| Jan 1, 2019 | Aug 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2021 | - | |
| Jan 1, 2019 | Jan 31, 2019 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2019 | - | |
| Jan 1, 2019 | Aug 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2021 | - | |
| Oct 1, 2018 | Oct 31, 2018 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2018 | - | |
| Oct 1, 2018 | - | Other | No | No | - | - | - | Resolved | Jul 31, 2019 | - | |
| Jul 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Oct 10, 2018 | - |
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.