MALDEN WATER DEPT
Washington — Community Water System — PWSID: WA5350550
System Information
| PWSID | WA5350550 |
| System Name | MALDEN WATER DEPT |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 7, 1981 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Washington |
| City | Rosalia |
| ZIP Code | 99170-0006 |
| Address | PO Box 6 |
| Organization | MALDEN WATER DEPT |
| Phone | — |
Population & Service
| Population Served | 215 |
| Service Connections | 65 |
Drinking Water Violations (59)
This water system has 59 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, 2022 | Dec 31, 2022 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Jul 1, 2020 | — | Other | No | No | — | — | — | Resolved | Jun 4, 2021 | — | |
| Jan 1, 2016 | Dec 31, 2016 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2016 | — | |
| Jan 1, 2011 | Dec 31, 2019 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Jan 1, 2011 | Dec 31, 2019 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Jan 1, 2011 | Dec 31, 2019 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Jan 1, 2011 | Dec 31, 2019 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Jan 1, 2011 | Dec 31, 2019 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Jan 1, 2011 | Dec 31, 2019 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Jan 1, 2011 | Dec 31, 2019 | MR | No | Yes | — | 2 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Jan 1, 2011 | Dec 31, 2019 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Jan 1, 2011 | Dec 31, 2019 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Jan 1, 2011 | Dec 31, 2019 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Jan 1, 2011 | Dec 31, 2019 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Jan 1, 2011 | Dec 31, 2019 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Jan 1, 2011 | Dec 31, 2019 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2019 | — | |
| Jul 1, 2010 | — | Other | No | No | — | — | — | Resolved | Oct 14, 2010 | — | |
| May 1, 2010 | May 31, 2010 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2010 | — | |
| Jan 1, 2007 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2007 | — | |
| Jul 1, 2005 | Jul 31, 2005 | MR | No | No | — | 5% of samples | — | Archived | Jul 31, 2005 | — |
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.