NESPELEM AGENCY
Washington - Community Water System - PWSID: 105300007
System Information
| PWSID | 105300007 |
| System Name | NESPELEM AGENCY |
| 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 | Jan 27, 1981 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Washington |
| City | NESPELEM |
| ZIP Code | 99155 |
| Address | P.O. BOX 150 |
| Organization | TOULOU, RON |
| Phone | 509-634-2809 |
Population & Service
| Population Served | 445 |
| Service Connections | 100 |
Drinking Water Violations (310)
This water system has 310 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 | - | Other | No | No | - | - | - | Resolved | Jul 14, 2025 | - | |
| Apr 3, 2025 | - | Other | No | No | - | - | - | Resolved | Nov 3, 2025 | - | |
| Apr 3, 2025 | - | Other | No | No | - | - | - | Resolved | Nov 3, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Nov 3, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Nov 3, 2025 | - | |
| Jan 1, 2024 | Mar 31, 2024 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Mar 31, 2024 | - | |
| Nov 1, 2023 | - | RPT | No | No | - | - | - | Resolved | Dec 15, 2023 | - | |
| Oct 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Oct 10, 2024 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 15, 2023 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Aug 21, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 5 pCi/L | - | Archived | Dec 31, 2025 | - | |
| Oct 2, 2022 | - | Other | No | No | - | - | - | Resolved | Nov 1, 2022 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Oct 25, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Dec 31, 2022 | - | |
| Oct 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Jun 30, 2018 | - | |
| Jan 1, 2018 | Mar 31, 2018 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Mar 31, 2018 | - | |
| Jan 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Mar 21, 2018 | - | |
| Oct 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Nov 29, 2017 | - | |
| Oct 1, 2017 | - | Other | No | No | - | - | - | Resolved | Jan 12, 2018 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Jun 30, 2017 | - | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | - | 0.00000003 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | - | 0.0004 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | - | 0.4 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | - | 0.0005 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2017 | Mar 31, 2017 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Mar 31, 2017 | - | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2019 | - |
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.