TAPPS ISLAND WATER SYSTEM
Washington — Community Water System — PWSID: WA5387181
System Information
| PWSID | WA5387181 |
| System Name | TAPPS ISLAND WATER SYSTEM |
| 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 1, 1981 |
| Last Reported | Dec 11, 2025 |
Location & Contact
| State | Washington |
| City | Lake Tapps |
| ZIP Code | 98391 |
| Address | 20818 Island Park Way E |
| Organization | TAPPS ISLAND WATER SYSTEM |
| Phone | — |
Population & Service
| Population Served | 1,500 |
| Service Connections | 530 |
Drinking Water Violations (30)
This water system has 30 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 1, 2025 | May 31, 2025 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | May 31, 2025 | Revised Total Coliform Rule |
| Jul 1, 2023 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jun 18, 2024 | Consumer Confidence Rule |
| Jul 1, 2015 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 14, 2015 | Consumer Confidence Rule |
| Nov 1, 2010 | Nov 30, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2010 | Total Coliform Rule |
| Jul 1, 2009 | Jul 31, 2009 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Jul 31, 2009 | Total Coliform Rule |
| Jan 1, 2008 | Dec 31, 2010 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | CYANIDE | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Mercury | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Thallium, Total | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Nickel | MR | No | Yes | — | — | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Beryllium, Total | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Selenium | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Antimony, Total | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2010 | Arsenic Rule |
| Jan 1, 2008 | Dec 31, 2010 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2006 | Dec 31, 2006 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | Nitrate Rule |
| Jan 1, 2006 | Dec 31, 2006 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | Nitrate Rule |
| Jan 1, 2006 | Dec 31, 2006 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | Nitrate Rule |
| Jan 1, 2006 | Dec 31, 2006 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | Nitrate Rule |
| Jan 1, 2006 | Dec 31, 2006 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | Nitrate Rule |
| Jan 1, 2006 | Dec 31, 2006 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | Nitrate Rule |
| Jan 1, 2006 | Dec 31, 2006 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | Nitrate Rule |
| Jan 1, 2006 | Dec 31, 2006 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | Nitrate Rule |
| Nov 1, 2003 | Nov 30, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Nov 30, 2003 | Total Coliform Rule |
| Jan 1, 2003 | Dec 31, 2003 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2003 | Nitrate Rule |
| Apr 1, 1996 | Apr 30, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Apr 30, 1996 | Total Coliform Rule |
| Aug 1, 1993 | Aug 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1993 | Total Coliform Rule |
| Nov 1, 1992 | Nov 30, 1992 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Nov 30, 1992 | Total Coliform Rule |
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.