CASCADE VALLEY WATER DISTRICT
Washington — Community Water System — PWSID: WA5311500
System Information
| PWSID | WA5311500 |
| System Name | CASCADE VALLEY WATER DISTRICT |
| 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 | Dec 11, 2025 |
Location & Contact
| State | Washington |
| City | MOSES LAKE |
| ZIP Code | 98837 |
| Address | PO BOX 274 |
| Organization | CASCADE VALLEY WATER DISTRICT |
| Phone | — |
Population & Service
| Population Served | 379 |
| Service Connections | 184 |
Drinking Water Violations (474)
This water system has 474 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 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2022 | Nitrate Rule |
| Jul 1, 2014 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 6, 2014 | Consumer Confidence Rule |
| Dec 1, 2013 | Dec 31, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2013 | Total Coliform Rule |
| Jan 1, 2013 | Dec 31, 2013 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2013 | Nitrate Rule |
| Nov 1, 2012 | Nov 30, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2012 | Total Coliform Rule |
| Oct 1, 2012 | Oct 31, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2012 | Total Coliform Rule |
| Sep 1, 2012 | Sep 30, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2012 | Total Coliform Rule |
| Aug 1, 2012 | Aug 31, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2012 | Total Coliform Rule |
| Mar 1, 2012 | Mar 31, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2012 | Total Coliform Rule |
| Oct 1, 2011 | Oct 31, 2011 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2011 | Total Coliform Rule |
| Jul 1, 2011 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 28, 2011 | Consumer Confidence Rule |
| Jul 1, 2010 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 28, 2010 | Consumer Confidence Rule |
| Jan 1, 2010 | Jan 31, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2010 | Total Coliform Rule |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
| Oct 1, 2009 | Dec 31, 2009 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Archived | Dec 31, 2009 | Inorganic Chemicals |
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.