MAPLE FALLS, WA · Whatcom County
MAPLE FALLS WATER COOP Water System
Consumer Confidence Report status
MAPLE FALLS WATER COOP 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 MAPLE FALLS WATER COOP.
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)
- WA5351100
- System type
- Community Water System
- Population served
- 222
- Service connections
- 92
- Ownership
- privately owned
- Water source
- groundwater (wells)
MAPLE FALLS WATER COOP is one of 3,227 community water systems in Washington in the 500 or fewer people size category, serving 222 people from groundwater.
As of August 1, 2026, its federal record holds 71 entries between 1979 and 2022, all of which EPA lists as closed. Nothing has been added since 2022.
Of the 71, 66 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 Total Coliform Rules.
Violation history
Monitoring, Routine (RTCR)
—Revised Total Coliform Rule
October 1, 2022 – October 31, 2022
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2022 – September 29, 2022
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—Benzene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—Toluene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—Styrene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2014 – December 31, 2019
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2013 – October 23, 2013
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2011 – November 10, 2011
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2010 – November 23, 2010
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
January 1, 2009 – December 31, 2009
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
May 1, 2005 – May 31, 2005
ArchivedMonitoring, Regular
—Nickel
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Selenium
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Benzene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Toluene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Styrene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Arsenic
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Barium
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Cadmium
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Chromium
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—CYANIDE
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Fluoride
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Mercury
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 1998 – August 31, 1998
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
February 1, 1992 – February 29, 1992
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
October 1, 1991 – October 31, 1991
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
—Gross Alpha, Excl. Radon and U
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
—Mercury
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Arsenic
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Barium
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 |
|---|---|---|---|---|
| October 1, 2022 – October 31, 2022 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 2022 – September 29, 2022 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| July 1, 2013 – October 23, 2013 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2011 – November 10, 2011 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2010 – November 23, 2010 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2009 – December 31, 2009 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| May 1, 2005 – May 31, 2005 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Nickel | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Antimony, Total | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Barium | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Cadmium | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Chromium | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | CYANIDE | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Fluoride | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Mercury | — | Resolved |
| August 1, 1998 – August 31, 1998 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| February 1, 1992 – February 29, 1992 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| October 1, 1991 – October 31, 1991 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | 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 | Gross Alpha, Excl. Radon and U | — | 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 | Mercury | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Arsenic | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Barium | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- November 14, 2022State Compliance achieved1 linked violation
- September 29, 2022State Compliance achieved1 linked violation
- December 22, 2020State Compliance achieved20 linked violations
- October 11, 2017State Compliance achieved1 linked violation
- November 10, 2016State Compliance achieved1 linked violation
- September 24, 2015State Compliance achieved1 linked violation
- October 23, 2013State Compliance achieved1 linked violation
- November 10, 2011State Compliance achieved1 linked violation
- March 29, 2011State Compliance achieved1 linked violation
- November 23, 2010State Compliance achieved1 linked violation
- September 25, 2008State Compliance achieved58 linked violations
- September 25, 2008State Compliance achieved165 linked violations
- March 31, 2008State Compliance achieved4 linked violations
- May 25, 2006State Compliance achieved8 linked violations
- January 1, 2006State Compliance achieved6 linked violations
- July 31, 1992State Violation/Reminder Notice1 linked violation
- April 30, 1992State Violation/Reminder Notice1 linked violation
- January 31, 1992State Violation/Reminder Notice1 linked violation
Common questions
Is MAPLE FALLS WATER COOP required to publish a Consumer Confidence Report?
- Yes. MAPLE FALLS WATER COOP 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 MAPLE FALLS WATER COOP’s next Consumer Confidence Report due?
- MAPLE FALLS WATER COOP’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MAPLE FALLS WATER COOP have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for MAPLE FALLS WATER COOP.
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
MAPLE FALLS WATER COOP
Phone not on record
MAPLE FALLS, WA 98266