NEWHALEM WATER SYSTEM
Washington — Community Water System — PWSID: WA5359250
System Information
| PWSID | WA5359250 |
| System Name | NEWHALEM WATER SYSTEM |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Feb 7, 1981 |
| Last Reported | Dec 11, 2025 |
Location & Contact
| State | Washington |
| City | Mount Vernon |
| ZIP Code | 98273 |
| Address | 14263 Calhoun Rd |
| Organization | NEWHALEM WATER SYSTEM |
| Phone | — |
Population & Service
| Population Served | 277 |
| Service Connections | 46 |
Drinking Water Violations (28)
This water system has 28 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, 2024 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jun 22, 2025 | Consumer Confidence Rule |
| Jan 1, 2022 | Dec 31, 2022 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2022 | Nitrate Rule |
| Jul 1, 2021 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 29, 2021 | Consumer Confidence Rule |
| Jul 1, 2013 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 16, 2013 | Consumer Confidence Rule |
| Jul 1, 2011 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 31, 2011 | Consumer Confidence Rule |
| Jan 1, 2006 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2006 | Lead and Copper Rule |
| Jan 1, 2006 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2006 | Lead and Copper Rule |
| Jan 1, 2006 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2006 | Lead and Copper Rule |
| Jan 1, 2006 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2006 | Lead and Copper Rule |
| Jan 1, 2006 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2006 | Lead and Copper Rule |
| Jan 1, 2006 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2006 | Lead and Copper Rule |
| Jan 1, 2006 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2006 | Lead and Copper Rule |
| Jan 1, 2006 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2006 | Lead and Copper Rule |
| Jan 1, 2006 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2006 | Lead and Copper Rule |
| Jan 1, 2006 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2006 | Lead and Copper Rule |
| Jan 1, 2006 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2006 | Lead and Copper Rule |
| Jan 1, 2004 | Dec 31, 2004 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2004 | Nitrate Rule |
| Dec 1, 1992 | Dec 31, 1992 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Dec 31, 1992 | Total Coliform Rule |
| May 1, 1992 | May 31, 1992 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | May 31, 1992 | Total Coliform Rule |
| Oct 1, 1979 | Oct 31, 1979 | Arsenic | MR | No | No | — | 0.010 mg/L | — | Archived | Oct 31, 1979 | Arsenic Rule |
| Oct 1, 1979 | Oct 31, 1979 | Fluoride | MR | No | No | — | 4.0 mg/L | — | Archived | Oct 31, 1979 | Inorganic Chemicals |
| Oct 1, 1979 | Oct 31, 1979 | Cadmium | MR | No | No | — | 0.005 mg/L | — | Archived | Oct 31, 1979 | Inorganic Chemicals |
| Oct 1, 1979 | Oct 31, 1979 | Selenium | MR | No | No | — | 0.05 mg/L | — | Archived | Oct 31, 1979 | Inorganic Chemicals |
| 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 |
| Oct 1, 1979 | Oct 31, 1979 | Barium | MR | No | No | — | 2 mg/L | — | Archived | Oct 31, 1979 | Inorganic Chemicals |
| Oct 1, 1979 | Oct 31, 1979 | Mercury | MR | No | No | — | 0.002 mg/L | — | Archived | Oct 31, 1979 | Inorganic Chemicals |
| Oct 1, 1979 | Oct 31, 1979 | Chromium | MR | No | No | — | 0.1 mg/L | — | Archived | Oct 31, 1979 | Inorganic Chemicals |
| Oct 1, 1979 | Oct 31, 1979 | Nitrate | MR | No | No | — | 10 mg/L | — | Archived | Oct 31, 1979 | Nitrate 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.