SEAWEST WATER SYSTEM
Washington - Community Water System - PWSID: WA5337544
System Information
| PWSID | WA5337544 |
| System Name | SEAWEST WATER SYSTEM |
| 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 | Mar 5, 1999 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Washington |
| City | Mt Vernon |
| ZIP Code | 98273 |
| Address | 14263 Calhoun Rd |
| Organization | SEAWEST WATER SYSTEM |
| Phone | - |
Population & Service
| Population Served | 38 |
| Service Connections | 25 |
Drinking Water Violations (33)
This water system has 33 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | 98 UG/L | 0.080 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | 96.85 UG/L | 0.080 mg/L | - | Archived | Sep 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | 112.6 UG/L | 0.080 mg/L | - | Archived | Jun 30, 2025 | - | |
| Jan 1, 2025 | Mar 31, 2025 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Mar 31, 2025 | - | |
| Jan 1, 2025 | Mar 31, 2025 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Mar 31, 2025 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Jun 9, 2023 | - | |
| Jan 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Sep 13, 2022 | - | |
| Jan 1, 2008 | Sep 30, 2009 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Sep 30, 2009 | - | |
| Jan 1, 2008 | Sep 30, 2009 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Sep 30, 2009 | - | |
| Jan 1, 2008 | Sep 30, 2009 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Sep 30, 2009 | - | |
| Jan 1, 2008 | Sep 30, 2009 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Sep 30, 2009 | - | |
| Jan 1, 2008 | Sep 30, 2009 | MR | No | Yes | - | 0.7 mg/L | - | Archived | Sep 30, 2009 | - | |
| Jan 1, 2008 | Sep 30, 2009 | MR | No | Yes | - | 0.075 mg/L | - | Archived | Sep 30, 2009 | - | |
| Jan 1, 2008 | Sep 30, 2009 | MR | No | Yes | - | 0.07 mg/L | - | Archived | Sep 30, 2009 | - | |
| Jan 1, 2008 | Sep 30, 2009 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Sep 30, 2009 | - | |
| Jan 1, 2008 | Sep 30, 2009 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Sep 30, 2009 | - | |
| Jan 1, 2008 | Sep 30, 2009 | MR | No | Yes | - | 0.007 mg/L | - | Archived | Sep 30, 2009 | - | |
| Jan 1, 2008 | Sep 30, 2009 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Sep 30, 2009 | - | |
| Jan 1, 2008 | Sep 30, 2009 | MR | No | Yes | - | 0.6 mg/L | - | Archived | Sep 30, 2009 | - | |
| Jan 1, 2008 | Sep 30, 2009 | MR | No | Yes | - | 0.07 mg/L | - | Archived | Sep 30, 2009 | - | |
| Jan 1, 2008 | Sep 30, 2009 | MR | No | Yes | - | 0.2 mg/L | - | Archived | Sep 30, 2009 | - | |
| Jan 1, 2008 | Sep 30, 2009 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Sep 30, 2009 | - | |
| Jan 1, 2008 | Sep 30, 2009 | MR | No | Yes | - | 0.002 mg/L | - | Archived | Sep 30, 2009 | - | |
| Jan 1, 2008 | Sep 30, 2009 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Sep 30, 2009 | - | |
| Jan 1, 2008 | Sep 30, 2009 | MR | No | Yes | - | 1 mg/L | - | Archived | Sep 30, 2009 | - | |
| Jan 1, 2008 | Sep 30, 2009 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Sep 30, 2009 | - | |
| Jan 1, 2008 | Sep 30, 2009 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Sep 30, 2009 | - |
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.