HAT ISLAND COMMUNITY INC
Washington — Community Water System — PWSID: WA5331593
System Information
| PWSID | WA5331593 |
| System Name | HAT ISLAND COMMUNITY INC |
| System Type | Community Water System |
| Water Source | Surface 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 | Everett |
| ZIP Code | 98201 |
| Address | 3616 Colby Ave PMB 335 |
| Organization | HAT ISLAND COMMUNITY INC |
| Phone | — |
Population & Service
| Population Served | 348 |
| Service Connections | 293 |
Drinking Water Violations (327)
This water system has 327 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, 2025 | — | Other | No | No | — | — | — | Resolved | Sep 25, 2025 | — | |
| Jul 1, 2020 | — | Other | No | No | — | — | — | Resolved | Jun 9, 2022 | — | |
| Jul 1, 2015 | — | Other | No | No | — | — | — | Resolved | Sep 14, 2015 | — | |
| Jan 1, 2014 | — | MR | No | No | — | TT | — | Resolved | Jan 4, 2017 | — | |
| Jul 1, 2012 | — | Other | No | No | — | — | — | Resolved | Oct 25, 2012 | — | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2008 | — | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2008 | — | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2008 | — | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2008 | — | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2008 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2008 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2008 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2008 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2008 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Oct 1, 2006 | Oct 31, 2006 | MCL | Yes | No | — | 5% of samples | — | Archived | Oct 31, 2006 | — | |
| Sep 1, 2006 | Sep 30, 2006 | MR | No | No | — | 5% of samples | — | Archived | Sep 30, 2006 | — | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2005 | — | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2005 | — | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2005 | — | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2005 | — | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2005 | — | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2005 | — | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2005 | — | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Jun 30, 2005 | — | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Jun 30, 2005 | — | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2005 | — | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2005 | — | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Jun 30, 2005 | — | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Jun 30, 2005 | — | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Jun 30, 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.