OHA Drinking Water Services
OR41
PWS ID: 94015 ---- USFS OREGON DUNES OVERLOOK ---- INACTIVE
Coliform Summary History

Note: Samples for a given monitoring period are due 10 days after period end date. Therefore the most recent monitoring periods may show zero samples reported. This does not mean the water system is out of compliance.

Number of Samples Reported
Abbreviations: TC+: Total Coliform Positive, EC+: E. Coli Positive
Exclude results older than 2023
Period End Date Routines Required Routines Reported Routine TC+ Routine EC+ Repeats Reported Repeat TC+ Repeat EC+ Period Type
Dec 31, 2025 1 000000QT
Sep 30, 2025 1 000000QT
Jun 30, 2025 1 200000QT
Mar 31, 2025 1 300000QT
Dec 31, 2024 1 300000QT
Sep 30, 2024 1 300000QT
Jun 30, 2024 1 300000QT
Mar 31, 2024 1 300000QT
Dec 31, 2023 1 300000QT
Sep 30, 2023 1 300000QT
Jun 30, 2023 1 300000QT
Mar 31, 2023 1 300000QT
Dec 31, 2022 1 300000QT
Sep 30, 2022 1 300000QT
Jun 30, 2022 1 300000QT
Mar 31, 2022 1 300000QT
Dec 31, 2021 1 300000QT
Sep 30, 2021 1 300000QT
Jun 30, 2021 1 300000QT
Mar 31, 2021 1 300000QT
Dec 31, 2020 1 300000QT
Sep 30, 2020 3 100000MN
Jun 30, 2020 1 300000QT
Mar 31, 2020 1 300000QT
Dec 31, 2019 1 300000QT
Sep 30, 2019 1 300000QT
Jun 30, 2019 1 300000QT
Mar 31, 2019 1 300000QT
Dec 31, 2018 1 300000QT
Sep 30, 2018 1 300000QT
Jun 30, 2018 1 300000QT
Mar 31, 2018 1 300000QT
Dec 31, 2017 1 300000QT
Sep 30, 2017 1 300000QT
Jun 30, 2017 1 300000QT
Mar 31, 2017 1 300000QT
Dec 31, 2016 1 300000QT
Sep 30, 2016 1 300000QT
Jun 30, 2016 1 300000QT
Mar 31, 2016 1 300000QT
Dec 31, 2015 1 300000QT
Sep 30, 2015 1 300000QT
Jun 30, 2015 1 300000QT
Mar 31, 2015 1 300000QT
Dec 31, 2014 1 300000QT
Sep 30, 2014 1 300000QT
Jun 30, 2014 1 300000QT
Mar 31, 2014 1 300000QT
Dec 31, 2013 1 300000QT
Sep 30, 2013 1 300000QT
Jun 30, 2013 1 300000QT
Mar 31, 2013 1 300000QT
Dec 31, 2012 1 300000QT
Sep 30, 2012 1 300000QT
Jun 30, 2012 1 300000QT
Mar 31, 2012 1 300000QT
Dec 31, 2011 1 300000QT
Sep 30, 2011 1 300000QT
Jun 30, 2011 1 300000QT
Jan 31, 2011 5 500000MN
Dec 31, 2010 1 311410QT
Sep 30, 2010 1 300000QT
Jun 30, 2010 1 300000QT
Feb 28, 2010 5 100400MN
Dec 31, 2009 1 300000QT
Sep 30, 2009 1 300000QT
Jun 30, 2009 1 300000QT
Mar 31, 2009 1 300000QT
Dec 31, 2008 1 300000QT
Sep 30, 2008 1 300000QT
Jun 30, 2008 1 300000QT
Mar 31, 2008 1 300000QT
Dec 31, 2007 1 300000QT
Sep 30, 2007 1 300000QT
Jun 30, 2007 1 300000QT
Mar 31, 2007 1 300000QT
Dec 31, 2006 1 300000QT
Sep 30, 2006 1 300000QT
Jun 30, 2006 1 300000QT
Mar 31, 2006 1 300000QT
Dec 31, 2005 1 300000QT
Sep 30, 2005 1 300000QT
Jun 30, 2005 1 300000QT
Mar 31, 2005 1 300000QT
Dec 31, 2004 1 300000QT
Sep 30, 2004 1 300000QT
Jun 30, 2004 1 300000QT
Mar 31, 2004 1 300000QT
Dec 31, 2003 1 400000QT
Sep 30, 2003 1 300000QT
Jun 30, 2003 1 300000QT
Mar 31, 2003 1 300000QT
Dec 31, 2002 1 300000QT
Sep 30, 2002 1 300000QT
Jun 30, 2002 1 300000QT
Mar 31, 2002 1 300000QT
Exclude results older than 2023