DIAMOND LAKE WATER & SEWER DISTRICT
Washington — Community Water System — PWSID: WA5319207
System Information
| PWSID | WA5319207 |
| System Name | DIAMOND LAKE WATER & SEWER DISTRICT |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Feb 7, 1981 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Washington |
| City | Newport |
| ZIP Code | 99156 |
| Address | 172 S Shore Diamond Lake Rd |
| Organization | DIAMOND LAKE WATER & SEWER DISTRICT |
| Phone | — |
Population & Service
| Population Served | 1,299 |
| Service Connections | 650 |
Drinking Water Violations (83)
This water system has 83 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, 2024 | Dec 31, 2024 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jul 1, 2018 | — | Other | No | No | — | — | — | Resolved | Sep 20, 2018 | — | |
| Jul 1, 2017 | — | Other | No | No | — | — | — | Resolved | Oct 27, 2017 | — | |
| Jul 1, 2015 | — | Other | No | No | — | — | — | Resolved | Aug 21, 2015 | — | |
| Jul 1, 2014 | — | Other | No | No | — | — | — | Resolved | Oct 24, 2014 | — | |
| Jul 1, 2013 | — | Other | No | No | — | — | — | Resolved | Nov 18, 2013 | — | |
| Jul 1, 2012 | — | Other | No | No | — | — | — | Resolved | Oct 25, 2012 | — | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | 10 mg/L | — | Archived | Dec 31, 2009 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Archived | Dec 31, 2007 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.003 mg/L | — | Archived | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.003 mg/L | — | Archived | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2010 | MR | No | Yes | — | 2 mg/L | — | Archived | Dec 31, 2010 | — | |
| Jan 1, 2002 | Dec 31, 2010 | MR | No | Yes | — | — | — | Archived | Dec 31, 2010 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.002 mg/L | — | Archived | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.0002 mg/L | — | Archived | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2010 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Dec 31, 2010 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.001 mg/L | — | Archived | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2010 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2010 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2010 | MR | No | Yes | — | 0.05 mg/L | — | Archived | Dec 31, 2010 | — | |
| Jan 1, 2002 | Dec 31, 2010 | MR | No | Yes | — | 0.004 mg/L | — | Archived | Dec 31, 2010 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2010 | MR | No | Yes | — | 0.010 mg/L | — | Archived | Dec 31, 2010 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.4 mg/L | — | Archived | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2010 | MR | No | Yes | — | 0.1 mg/L | — | Archived | Dec 31, 2010 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | — | — | Archived | Dec 31, 2004 | — |
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.