Friday Harbor, WA · San Juan County
ROCHE HARBOR WATER SYSTEM INC Water System
Consumer Confidence Report status
ROCHE HARBOR WATER SYSTEM INC must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for ROCHE HARBOR WATER SYSTEM INC.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
- WA5373230
- System type
- Community Water System
- Population served
- 2,091
- Service connections
- 630
- Ownership
- privately owned
- Water source
- surface water (rivers, lakes, or reservoirs)
ROCHE HARBOR WATER SYSTEM INC is one of 428 community water systems in Washington in the 501 to 3,300 people size category, serving 2,091 people from surface water.
As of August 1, 2026, its federal record holds 237 entries between 1979 and 2026, all of which EPA lists as closed.
Of the 237, 234 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves volatile organic chemicals, inorganic chemicals, and the Surface Water Treatment Rules.
Violation history
Monitoring and Reporting (DBP)
—TTHM
January 1, 2026 – March 31, 2026
ArchivedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2026 – March 31, 2026
ArchivedMonitoring, Regular
—Nitrate
January 1, 2012 – December 31, 2012
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
July 1, 2010 – August 6, 2010
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
September 1, 2009 – September 30, 2009
ArchivedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
June 1, 2009 – June 30, 2009
ArchivedMonitoring, Regular
—1,1,2-Trichloroethane
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Trichloroethylene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—1,2-Dichloropropane
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Carbon tetrachloride
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—1,2-Dichloroethane
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Vinyl chloride
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—p-Dichlorobenzene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—o-Dichlorobenzene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—DICHLOROMETHANE
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Styrene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Ethylbenzene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Toluene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Benzene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—CHLOROBENZENE
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Tetrachloroethylene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Trichloroethylene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—1,2-Dichloropropane
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Carbon tetrachloride
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—1,2-Dichloroethane
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Styrene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Ethylbenzene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Toluene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Benzene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—CHLOROBENZENE
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Tetrachloroethylene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Trichloroethylene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—1,2-Dichloropropane
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Carbon tetrachloride
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—1,2-Dichloroethane
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—DICHLOROMETHANE
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—o-Dichlorobenzene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—p-Dichlorobenzene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Vinyl chloride
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—1,2-Dichloroethane
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Carbon tetrachloride
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—1,2-Dichloropropane
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Trichloroethylene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Tetrachloroethylene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—CHLOROBENZENE
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Benzene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Toluene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Ethylbenzene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Styrene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—DICHLOROMETHANE
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—o-Dichlorobenzene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—p-Dichlorobenzene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Vinyl chloride
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Vinyl chloride
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—p-Dichlorobenzene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—o-Dichlorobenzene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—DICHLOROMETHANE
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Styrene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Ethylbenzene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Toluene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Benzene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—CHLOROBENZENE
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Tetrachloroethylene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Benzene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Toluene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Styrene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Benzene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Toluene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Styrene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Benzene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Toluene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Styrene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Benzene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Toluene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Styrene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Styrene
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Ethylbenzene
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Toluene
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Benzene
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—CHLOROBENZENE
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Tetrachloroethylene
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Trichloroethylene
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,2-Dichloropropane
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Carbon tetrachloride
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,2-Dichloroethane
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Vinyl chloride
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—p-Dichlorobenzene
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—o-Dichlorobenzene
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—DICHLOROMETHANE
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
April 1, 2006 – June 30, 2006
ResolvedMonitoring, Regular
—Styrene
April 1, 2006 – June 30, 2006
ResolvedMonitoring, Regular
—Ethylbenzene
April 1, 2006 – June 30, 2006
ResolvedMonitoring, Regular
—Toluene
April 1, 2006 – June 30, 2006
ResolvedMonitoring, Regular
—Benzene
April 1, 2006 – June 30, 2006
ResolvedMonitoring, Regular
—CHLOROBENZENE
April 1, 2006 – June 30, 2006
ResolvedMonitoring, Regular
—Tetrachloroethylene
April 1, 2006 – June 30, 2006
ResolvedMonitoring, Regular
—Trichloroethylene
April 1, 2006 – June 30, 2006
ResolvedMonitoring, Regular
—1,2-Dichloropropane
April 1, 2006 – June 30, 2006
ResolvedMonitoring, Regular
—Carbon tetrachloride
April 1, 2006 – June 30, 2006
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
April 1, 2006 – June 30, 2006
ResolvedMonitoring, Regular
—1,2-Dichloroethane
April 1, 2006 – June 30, 2006
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
April 1, 2006 – June 30, 2006
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
April 1, 2006 – June 30, 2006
ResolvedMonitoring, Regular
—Vinyl chloride
April 1, 2006 – June 30, 2006
ResolvedMonitoring, Regular
—p-Dichlorobenzene
April 1, 2006 – June 30, 2006
ResolvedMonitoring, Regular
—o-Dichlorobenzene
April 1, 2006 – June 30, 2006
ResolvedMonitoring, Regular
—DICHLOROMETHANE
April 1, 2006 – June 30, 2006
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
April 1, 2006 – June 30, 2006
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
April 1, 2006 – June 30, 2006
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Styrene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Toluene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Benzene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
September 1, 1997 – September 30, 1997
ArchivedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
November 1, 1996 – November 30, 1996
ArchivedMonitoring, Regular
—Arsenic
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Barium
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Cadmium
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Chromium
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Mercury
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Nitrate
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Selenium
October 1, 1979 – October 31, 1979
ArchivedMonitoring, 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 |
|---|---|---|---|---|
| January 1, 2026 – March 31, 2026 | Monitoring and Reporting (DBP) | TTHM | — | Archived |
| January 1, 2026 – March 31, 2026 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Archived |
| January 1, 2012 – December 31, 2012 | Monitoring, Regular | Nitrate | — | Resolved |
| July 1, 2010 – August 6, 2010 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| September 1, 2009 – September 30, 2009 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Archived |
| June 1, 2009 – June 30, 2009 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Archived |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Styrene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Toluene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Benzene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Styrene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Toluene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Benzene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Benzene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Toluene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Styrene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Styrene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Toluene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Benzene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Styrene | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Styrene | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Toluene | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Benzene | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring, Regular | Styrene | — | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring, Regular | Toluene | — | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring, Regular | Benzene | — | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| September 1, 1997 – September 30, 1997 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Archived |
| November 1, 1996 – November 30, 1996 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Arsenic | — | 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 | Gross Alpha, Excl. Radon and U | — | 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 | 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
- June 30, 2019State Compliance achieved1 linked violation
- September 20, 2013State Compliance achieved1 linked violation
- March 11, 2013State Compliance achieved1 linked violation
- September 28, 2012State Compliance achieved1 linked violation
- August 6, 2010State Compliance achieved1 linked violation
- August 6, 2007State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- August 6, 2007State Compliance achieved894 linked violations
- August 6, 2007State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- August 6, 2007State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- September 5, 2006State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- September 5, 2006State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- September 5, 2006State Compliance achieved41 linked violations
- September 5, 2006State Compliance achieved54 linked violations
- September 5, 2006State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- August 23, 1994Federal issued Formal Notice of Violation6 linked violations
Common questions
Is ROCHE HARBOR WATER SYSTEM INC required to publish a Consumer Confidence Report?
- Yes. ROCHE HARBOR WATER SYSTEM INC is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is ROCHE HARBOR WATER SYSTEM INC’s next Consumer Confidence Report due?
- ROCHE HARBOR WATER SYSTEM INC’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does ROCHE HARBOR WATER SYSTEM INC have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for ROCHE HARBOR WATER SYSTEM INC.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
ROCHE HARBOR WATER SYSTEM INC
Phone not on record
Friday Harbor, WA 98250