MT ST HELENS NATIONAL VOLCANIC MONU
Washington - Non-Transient Non-Community - PWSID: WA53FS102
System Information
| PWSID | WA53FS102 |
| System Name | MT ST HELENS NATIONAL VOLCANIC MONU |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 7, 1981 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Washington |
| City | Amboy |
| ZIP Code | 98601 |
| Address | 42218 NE Yale Bridge Rd. |
| Organization | MT ST HELENS NATIONAL VOLCANIC MONU |
| Phone | - |
Population & Service
| Population Served | 95 |
| Service Connections | 17 |
Drinking Water Violations (58)
This water system has 58 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, 2025 | Dec 31, 2025 | MR | No | Yes | - | 10 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.5 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.007 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.05 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.2 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.001 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2021 | Dec 31, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2021 | Dec 31, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2020 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Jan 1, 2020 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2020 | Dec 31, 2025 | MR | No | Yes | - | 0.002 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2020 | Dec 31, 2025 | MR | No | Yes | - | 0.2 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2025 | MR | No | Yes | - | 0.075 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2020 | Dec 31, 2025 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2020 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2020 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2020 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2020 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2020 | Dec 31, 2025 | MR | No | Yes | - | 0.6 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2020 | Dec 31, 2025 | MR | No | Yes | - | 0.07 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2020 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2020 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2020 | Dec 31, 2025 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2020 | Dec 31, 2025 | MR | No | Yes | - | 0.07 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2020 | Dec 31, 2025 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2020 | Dec 31, 2025 | MR | No | Yes | - | 0.7 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2020 | Dec 31, 2025 | MR | No | Yes | - | 1 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2020 | Dec 31, 2025 | MR | No | Yes | - | 0.007 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2018 | Apr 30, 2018 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Nov 1, 2016 | Nov 30, 2016 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2016 | - | |
| Jan 1, 2016 | Dec 31, 2018 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2016 | Dec 31, 2016 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2016 | Dec 31, 2016 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2016 | Dec 31, 2018 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Dec 1, 2015 | Dec 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2015 | - | |
| Nov 1, 2015 | Nov 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2015 | - | |
| Jan 1, 2015 | - | MR | No | No | - | TT | - | Resolved | Sep 26, 2018 | - | |
| Jun 1, 2014 | Jun 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2014 | - | |
| Jan 1, 2014 | Dec 31, 2022 | MR | No | Yes | - | 0.007 mg/L | - | Archived | Dec 31, 2022 | - | |
| Jan 1, 2014 | Dec 31, 2022 | MR | No | Yes | - | 0.05 mg/L | - | Archived | Dec 31, 2022 | - | |
| Jan 1, 2014 | Dec 31, 2022 | MR | No | Yes | - | 0.2 mg/L | - | Archived | Dec 31, 2022 | - | |
| Jan 1, 2014 | Dec 31, 2022 | MR | No | Yes | - | 0.001 mg/L | - | Archived | Dec 31, 2022 | - | |
| Jan 1, 2014 | Dec 31, 2014 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2014 | - | |
| Jan 1, 2014 | Dec 31, 2022 | MR | No | Yes | - | 0.5 mg/L | - | Archived | Dec 31, 2022 | - |
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.