Carnation, WA · King County
LAKE MARGARET WATER SYSTEM 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)
- WA5344200
- System type
- Community Water System
- Population served
- 406
- Service connections
- 152
- Ownership
- privately owned
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Consumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2025 – October 8, 2025
ResolvedMonitoring, Regular
—Styrene
January 1, 2024 – March 31, 2024
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2024 – March 31, 2024
ResolvedMonitoring, Regular
—Toluene
January 1, 2024 – March 31, 2024
ResolvedMonitoring, Regular
—Benzene
January 1, 2024 – March 31, 2024
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2024 – March 31, 2024
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2024 – March 31, 2024
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2024 – March 31, 2024
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2024 – March 31, 2024
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2024 – March 31, 2024
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2024 – March 31, 2024
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2024 – March 31, 2024
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2024 – March 31, 2024
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2024 – March 31, 2024
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2024 – March 31, 2024
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2024 – March 31, 2024
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2024 – March 31, 2024
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2024 – March 31, 2024
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2024 – March 31, 2024
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2024 – March 31, 2024
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2024 – March 31, 2024
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—DICHLOROMETHANE
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—Styrene
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—Ethylbenzene
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—Toluene
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—Benzene
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—CHLOROBENZENE
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—Tetrachloroethylene
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—Trichloroethylene
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—1,2-Dichloropropane
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—Carbon tetrachloride
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—1,2-Dichloroethane
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—Vinyl chloride
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—p-Dichlorobenzene
October 1, 2023 – December 31, 2023
ResolvedMonitoring, Regular
—o-Dichlorobenzene
October 1, 2023 – December 31, 2023
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2023 – October 6, 2023
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2018 – December 20, 2018
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2017 – September 28, 2017
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2015 – September 17, 2015
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2013 – October 14, 2013
ResolvedTreatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
June 1, 2009 – June 30, 2009
ArchivedMonitoring, Regular
—CHLOROBENZENE
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Benzene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Toluene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Styrene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Selenium
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Nickel
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Mercury
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Fluoride
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—CYANIDE
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Chromium
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Cadmium
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Barium
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Arsenic
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Styrene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Toluene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Benzene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Nitrate
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1979 – October 31, 1979
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
—Fluoride
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Mercury
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Selenium
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 |
|---|---|---|---|---|
| July 1, 2025 – October 8, 2025 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2024 – March 31, 2024 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2024 – March 31, 2024 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2024 – March 31, 2024 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2024 – March 31, 2024 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2024 – March 31, 2024 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2024 – March 31, 2024 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2024 – March 31, 2024 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2024 – March 31, 2024 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2024 – March 31, 2024 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2024 – March 31, 2024 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2024 – March 31, 2024 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2024 – March 31, 2024 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2024 – March 31, 2024 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2024 – March 31, 2024 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2024 – March 31, 2024 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2024 – March 31, 2024 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2024 – March 31, 2024 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2024 – March 31, 2024 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2024 – March 31, 2024 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2024 – March 31, 2024 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | Styrene | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | Toluene | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | Benzene | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| October 1, 2023 – December 31, 2023 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| July 1, 2023 – October 6, 2023 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2018 – December 20, 2018 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2017 – September 28, 2017 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2015 – September 17, 2015 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2013 – October 14, 2013 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| June 1, 2009 – June 30, 2009 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Archived |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Antimony, Total | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Nickel | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Mercury | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Fluoride | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | CYANIDE | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Chromium | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Cadmium | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Barium | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Nitrate | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | 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 | Fluoride | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Mercury | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Selenium | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- October 8, 2025State Compliance achieved1 linked violation
- June 19, 2024State Compliance achieved40 linked violations
- October 6, 2023State Compliance achieved1 linked violation
- December 15, 2022State Compliance achieved1 linked violation
- December 20, 2018State Compliance achieved1 linked violation
- September 28, 2017State Compliance achieved1 linked violation
- September 23, 2016State Compliance achieved1 linked violation
- September 17, 2015State Compliance achieved1 linked violation
- September 12, 2014State Compliance achieved1 linked violation
- October 14, 2013State Compliance achieved1 linked violation
- August 19, 2007State Compliance achieved356 linked violations
- July 18, 2007State Compliance achieved42 linked violations
- January 1, 2005State Compliance achieved20 linked violations
- January 31, 1992State Violation/Reminder Notice1 linked violation
Contact
LAKE MARGARET WATER SYSTEM
Phone not on record
Carnation, WA 98014