MOUNT SI MOBILE HOME ESTATES
Washington — Community Water System — PWSID: WA5356560
System Information
| PWSID | WA5356560 |
| System Name | MOUNT SI MOBILE HOME ESTATES |
| 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 | Feb 7, 1981 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Washington |
| City | North Bend |
| ZIP Code | 98045 |
| Address | PO Box 1050 |
| Organization | MOUNT SI MOBILE HOME ESTATES |
| Phone | — |
Population & Service
| Population Served | 200 |
| Service Connections | 89 |
Drinking Water Violations (141)
This water system has 141 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 1, 2024 | Dec 31, 2024 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2024 | — | |
| Jan 1, 2021 | — | MR | No | No | — | TT | — | Resolved | Sep 4, 2024 | — | |
| Jan 1, 2020 | Dec 31, 2020 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2017 | Oct 31, 2017 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2017 | — | |
| Sep 1, 2006 | Sep 30, 2006 | MR | No | No | — | 5% of samples | — | Archived | Sep 30, 2006 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2007 | — |
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.