EMERALD LAKE
Washington — Community Water System — PWSID: WA5323294
System Information
| PWSID | WA5323294 |
| System Name | EMERALD LAKE |
| 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 | Feb 7, 1981 |
| Last Reported | Dec 11, 2025 |
Location & Contact
| State | Washington |
| City | Shelton |
| ZIP Code | 98584-5034 |
| Address | PO Box 2026 |
| Organization | EMERALD LAKE |
| Phone | — |
Population & Service
| Population Served | 331 |
| Service Connections | 139 |
Drinking Water Violations (11)
This water system has 11 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, 2019 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 23, 2022 | Lead and Copper Rule |
| Nov 1, 1993 | Nov 30, 1993 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Nov 30, 1993 | Total Coliform Rule |
| Oct 1, 1993 | Oct 31, 1993 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Oct 31, 1993 | Total Coliform Rule |
| Sep 1, 1993 | Sep 30, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1993 | Total Coliform Rule |
| Aug 1, 1993 | Aug 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1993 | Total Coliform Rule |
| May 1, 1993 | May 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | May 31, 1993 | Total Coliform Rule |
| Apr 1, 1993 | Apr 30, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Apr 30, 1993 | Total Coliform Rule |
| Nov 1, 1992 | Nov 30, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Nov 30, 1992 | Total Coliform Rule |
| Apr 1, 1992 | Apr 30, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Apr 30, 1992 | Total Coliform Rule |
| Feb 1, 1992 | Feb 29, 1992 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Feb 29, 1992 | Total Coliform Rule |
| Oct 1, 1979 | Oct 31, 1979 | Gross Alpha, Excl. Radon and U | MR | No | No | — | 15 pCi/L | — | Archived | Oct 31, 1979 | Radionuclides and Revised Rad 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.