ILWACO, WA · Pacific County

ILWACO WATER DEPARTMENT CITY OF 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): WA5335500
System type: Community Water System
Population served: 2,757
Service connections: 709
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring and Reporting (DBP)
—
TTHM
April 1, 2015 – June 30, 2015
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2015 – June 30, 2015
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2015 – March 31, 2015
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2015 – March 31, 2015
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Mercury
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Nickel
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Selenium
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Benzene
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Toluene
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Styrene
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Barium
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Chromium
January 1, 2007 – December 31, 2007
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
November 1, 2005 – November 30, 2005
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
September 1, 2005 – September 30, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1998 – April 30, 1998
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 1996 – March 31, 1996
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 1995 – January 31, 1995
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 1979 – October 31, 1979
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
April 1, 2015 – June 30, 2015	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2015 – June 30, 2015	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2015 – March 31, 2015	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2015 – March 31, 2015	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2009 – December 31, 2009	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Mercury	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Nickel	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Selenium	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Benzene	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Toluene	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Styrene	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Barium	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Chromium	—	Resolved
November 1, 2005 – November 30, 2005	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
September 1, 2005 – September 30, 2005	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
April 1, 1998 – April 30, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
March 1, 1996 – March 31, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1995 – January 31, 1995	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

October 24, 2016State Compliance achieved1 linked violation
November 3, 2015State Compliance achieved2 linked violations
November 3, 2015State Compliance achieved2 linked violations
March 23, 2010State Compliance achieved20 linked violations
March 31, 2008State Compliance achieved12 linked violations
March 31, 2008State Compliance achieved12 linked violations
March 31, 2008State Compliance achieved92 linked violations
March 31, 2008State Compliance achieved3 linked violations
March 31, 2008State Compliance achieved8 linked violations
March 31, 2008State Compliance achieved8 linked violations
January 1, 2008State Compliance achieved8 linked violations
January 1, 2008State Compliance achieved8 linked violations
January 31, 1995State Violation/Reminder Notice1 linked violation
August 23, 1994Federal issued Formal Notice of Violation3 linked violations
March 31, 1992State Violation/Reminder Notice1 linked violation
February 29, 1992State Violation/Reminder Notice1 linked violation

Contact

ILWACO WATER DEPARTMENT CITY OF

Phone not on record

ILWACO, WA 98624