Ferndale, WA · Whatcom County

WILLEYS LAKE TERRACE WATER ASSN Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Washington’s official records. Always confirm current status with Washington before making decisions based on this information.

System facts

System ID (PWSID): WA5397110
System type: Community Water System
Population served: 180
Service connections: 44
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
April 1, 2025 – June 30, 2025
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2021 – May 31, 2021
Resolved
Monitoring, Regular
—
Nitrate
April 1, 2011 – June 30, 2011
Resolved
Monitoring, Regular
—
Nitrate
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 2003 – November 30, 2003
Archived
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
April 1, 2000 – April 30, 2000
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 1997 – March 31, 1997
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 1992 – December 31, 1992
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 1992 – October 31, 1992
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 1992 – September 30, 1992
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 1992 – August 31, 1992
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 1991 – December 31, 1991
Archived
Monitoring, Regular
—
Mercury
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Nitrate
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Selenium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Arsenic
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Barium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Cadmium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Chromium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Fluoride
October 1, 1979 – October 31, 1979
Archived

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
April 1, 2025 – June 30, 2025	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
January 1, 2024 – December 31, 2024	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
May 1, 2021 – May 31, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring, Regular	Nitrate	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Nitrate	—	Resolved
November 1, 2003 – November 30, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
April 1, 2000 – April 30, 2000	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Archived
March 1, 1997 – March 31, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
December 1, 1992 – December 31, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
October 1, 1992 – October 31, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
September 1, 1992 – September 30, 1992	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
August 1, 1992 – August 31, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
December 1, 1991 – December 31, 1991	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Mercury	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Nitrate	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Selenium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Arsenic	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Barium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Cadmium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Chromium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Fluoride	—	Archived

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

April 1, 2025State Compliance achieved1 linked violation
July 19, 2024State Violation/Reminder Notice3 linked violations
June 1, 2021State Compliance achieved1 linked violation
August 1, 2011State Compliance achieved1 linked violation
December 15, 2006State Compliance achieved8 linked violations
October 1, 2006State Compliance achieved2 linked violations
December 31, 1992State Violation/Reminder Notice1 linked violation
August 31, 1992State Violation/Reminder Notice2 linked violations

Contact

WILLEYS LAKE TERRACE WATER ASSN

Phone not on record

Ferndale, WA 98248