FERNDALE
Washington — Community Water System — PWSID: WA5324850
System Information
| PWSID | WA5324850 |
| System Name | FERNDALE |
| 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 | Ferndale |
| ZIP Code | 98248 |
| Address | PO Box 936 |
| Organization | FERNDALE |
| Phone | — |
Population & Service
| Population Served | 19,305 |
| Service Connections | 7,718 |
Drinking Water Violations (19)
This water system has 19 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 | Feb 20, 2025 | Consumer Confidence Rule |
| Jul 1, 2016 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 6, 2016 | Consumer Confidence Rule |
| Oct 1, 2014 | Dec 31, 2014 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2014 | Dec 31, 2014 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2014 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 8, 2014 | Consumer Confidence Rule |
| Jul 1, 2014 | Sep 30, 2014 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2014 | Sep 30, 2014 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2014 | Jun 30, 2014 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2014 | Jun 30, 2014 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 1991 | Oct 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 1991 | 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 | 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 | Chromium | MR | No | No | — | 0.1 mg/L | — | Archived | Oct 31, 1979 | Inorganic Chemicals |
| 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 | 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 | Fluoride | MR | No | No | — | 4.0 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.