CAYOU VALLEY HOMEOWNERS ASSOC
Washington - Community Water System - PWSID: WA5311860
System Information
| PWSID | WA5311860 |
| System Name | CAYOU VALLEY HOMEOWNERS ASSOC |
| 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 | Jun 5, 1997 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Washington |
| City | Eastsound |
| ZIP Code | 98245 |
| Address | Po Box 228 |
| Organization | CAYOU VALLEY HOMEOWNERS ASSOC |
| Phone | - |
Population & Service
| Population Served | 31 |
| Service Connections | 21 |
Drinking Water Violations (46)
This water system has 46 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Sep 29, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.07 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.007 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 1 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.075 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.6 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.2 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.7 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.07 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.002 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Sep 15, 2015 | - | |
| Oct 1, 2014 | Dec 31, 2014 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2014 | - | |
| Oct 1, 2014 | Dec 31, 2014 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2014 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Oct 22, 2013 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | Nov 1, 2011 | - | |
| 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 | - | |
| Nov 1, 2006 | Nov 30, 2006 | MR | No | No | - | 5% of samples | - | Archived | Nov 30, 2006 | - | |
| Oct 19, 1999 | Sep 1, 2000 | Other | No | Yes | - | - | - | Resolved | Sep 1, 2000 | - | |
| Oct 19, 1999 | Sep 1, 2000 | Other | No | Yes | - | - | - | Resolved | Sep 1, 2000 | - | |
| Nov 1, 1998 | Nov 30, 1998 | MR | No | Yes | - | 5% of samples | - | Archived | Nov 30, 1998 | - | |
| Oct 1, 1998 | Oct 31, 1998 | MR | No | Yes | - | 5% of samples | - | Archived | Oct 31, 1998 | - | |
| Nov 1, 1997 | Nov 30, 1997 | MR | No | Yes | - | 5% of samples | - | Archived | Nov 30, 1997 | - | |
| Oct 1, 1997 | Oct 31, 1997 | MR | No | Yes | - | 5% of samples | - | Archived | Oct 31, 1997 | - | |
| Aug 1, 1997 | Aug 31, 1997 | MR | No | Yes | - | 5% of samples | - | Archived | Aug 31, 1997 | - | |
| Jul 1, 1997 | Jul 31, 1997 | MR | No | Yes | - | 5% of samples | - | Archived | Jul 31, 1997 | - | |
| - | - | - | No | No | - | - | - | - | - | - |
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.