OHA Drinking Water Services
OR41
PWS ID: 91083 ---- OPRD MAUD WILLIAMSON STATE PK
Coliform Results

See also:  Coliform Fact Sheet  ::  Coliform Schedules  ::  Archived Results  ::  MRDL Summary  ::  Batch Numbers

Sample types:  AS=Assessment, CO=Confirmation, MU=Make-up, RP=Repeat, RT=Routine, SP=Special, TG=Triggered. See the glossary for more information.

Filter options:  Show special samples  ::  Show rejected samples  ::  Exclude results older than 2022

Sample
Date		 #
Samples		 Sample
Type		 Coliform
Type		 Result Sample
ID		 Repeat of
Sample ID		 Sample
Site		 Facility Chlorine
Residual		 Received
Date
Oct 21, 2025 1RT Total Absent 20251021043 SHOP YARD TAP DIST-A 0.50Oct 30, 2025
Jul 17, 2025 1RT Total Absent 20250717014 BY SHOP OUTSIDE TAP DIST-A 0.50Jul 24, 2025
May 15, 2025 1RT Total Absent 20250515040 OUTSIDE FAUCET DIST-A 0.50May 27, 2025
Apr 18, 2025 1MU Total Absent 20250418040 OUTSIDE TAP DIST-A 0.50May 02, 2025
Dec 13, 2024 1AS Total Absent 20241213010 WELL SRC-AA Dec 20, 2024
Oct 15, 2024 1RT Total Absent 20241015062 OUTSIDE TAP DIST-A Oct 23, 2024
Jun 14, 2024 1RT Total Absent 2433017 SHOPYARD DIST-A 0.02Jun 19, 2024
Mar 21, 2024 1RT Total Absent 2414761 SHOP STANDPIPE DIST-A 0.04Mar 25, 2024
Dec 19, 2023 1AS Total Absent 2376872 WELL HEAD SRC-AA Dec 22, 2023
Dec 11, 2023 1RT Total Absent 2374592 SHOPYARD DIST-A 0.07Dec 13, 2023
Sep 25, 2023 1RT Total Absent 23-58259 DIST-A 0.04Sep 29, 2023
May 15, 2023 1RT Total Absent 23-28191 DIST-A 0.02May 16, 2023
Feb 21, 2023 1RT Total Absent 23-09715 DIST-A 0.03Feb 28, 2023
Dec 13, 2022 1AS Total Absent 22-79327 WELL SRC-AA Dec 21, 2022
Dec 13, 2022 1RT Total Absent 22-79320 DIST-A 0.02Dec 21, 2022
Sep 19, 2022 1RT Total Absent 2260633 DIST-A 0.02Sep 22, 2022
Jun 06, 2022 1RT Total Absent 2235941 DIST-A 0.09Jun 08, 2022
Mar 16, 2022 1RT Total Absent 2217859 DIST-A Mar 17, 2022
Dec 07, 2021 1AS Total Absent 2189010 WELL HOUSE SRC-AA Dec 09, 2021
Dec 07, 2021 1RT Total Absent 2189002 DIST-A 0.06Dec 09, 2021
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Sep 16, 2021 1RT Total Absent 2168224 DIST-A 0.04Sep 17, 2021
Jun 24, 2021 1RT Total Absent 2144429 DIST-A 0.09Jun 28, 2021
Mar 09, 2021 1RT Total Absent 20210309038 CENTER RESTROOM DIST-A 0.20Mar 16, 2021
Mar 09, 2021 1AS Total Absent 20210309014 WELL SRC-AA Mar 16, 2021
Nov 19, 2020 1RT Total Absent 20201120023 SOUTH SPIGOT DIST-A 0.50Dec 03, 2020
Sep 16, 2020 1RT Total Absent 20200916041 HOST SPIGOT DIST-A 0.50Sep 21, 2020
May 20, 2020 1RT Total Absent 20200520027 CENTER RESTROOM DIST-A 0.40May 28, 2020
Mar 13, 2020 1RT Total Absent 20200313038 SOUTH SPIGOT DIST-A 0.20Mar 23, 2020
Dec 06, 2019 1AS Total Absent 20191206020 WELL HEAD SRC-AA Dec 11, 2019
Dec 06, 2019 1RT Total Absent 20191206019 HOST SPIGOT DIST-A 0.20Dec 11, 2019
Sep 18, 2019 1RT Total Absent 20190918067 MAIN SHELTER DIST-A 0.30Sep 26, 2019
Jun 28, 2019 1RT Total Absent 20190628059 CENTER RESTROOM DIST-A 0.20Jul 02, 2019
Mar 19, 2019 1RT Total Absent 20190320043 SOUTH SPIGOT DIST-A 0.30Apr 03, 2019
Dec 05, 2018 1AS Total Absent 20181205090 WELL HEAD SRC-AA Dec 13, 2018
Dec 05, 2018 1RT Total Absent 20181205089 HOST SPIGOT DIST-A 0.30Dec 13, 2018
Sep 27, 2018 1RT Total Absent 20180927040 MAIN SHELTER DIST-A 0.30Oct 02, 2018
Jun 15, 2018 1RT Total Absent 20180615038 CENTER RESTROOM DIST-A 0.20Jun 27, 2018
Mar 14, 2018 1RT Total Absent 20180314037 SOUTH SPIGOT DIST-A 0.30Mar 20, 2018
Dec 14, 2017 1AS Total Absent 20171214025 WELL HEAD SRC-AA Dec 19, 2017
Dec 14, 2017 1RT Total Absent 20171214024 HOST SPIGOT DIST-A 0.20Dec 19, 2017
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Sep 15, 2017 1RT Total Absent 20170915031 MAIN SHELTER DIST-A 0.30Sep 22, 2017
Jun 14, 2017 1RT Total Absent 20170614067 CENTER RESTROOM DIST-A 0.20Jun 20, 2017
Mar 22, 2017 1RT Total Absent 20170322063 SOUTH SPIGOT DIST-A 0.02Mar 29, 2017
Dec 09, 2016 1RT Total Absent 20161209034 HOST SITE SPIGOT DIST-A 0.20Dec 13, 2016
Dec 09, 2016 1AS Total Absent 20161209032 WELL 1 SRC-AA Dec 13, 2016
Sep 28, 2016 1RT Total Absent 20160928093 MAIN SHELTER DIST-A 0.30Oct 05, 2016
Jun 23, 2016 1RT Total Absent 20160624016 CENTER RESTROOM DIST-A 0.20Jul 07, 2016
Mar 11, 2016 1RT Total Absent 20160311012 HOST SITE DIST-A 0.10Mar 23, 2016
Dec 11, 2015 1RT Total Absent 20151211050 SOUTH SPIGOT DIST-A 0.10Dec 22, 2015
Dec 04, 2015 1AS Total Absent 20151204041 WELLHEAD SRC-AA Dec 22, 2015
Sep 22, 2015 1RT Total Absent 20150922098 STATE PARK SHELTER DIST-A 0.20Oct 02, 2015
Jun 24, 2015 1RT Total Absent 20150624062 CENTER RESTROOM DIST-A 0.10Jul 06, 2015
Mar 18, 2015 1RT Total Absent 20150318057 CENTER RESTROOM DIST-A 0.20Mar 30, 2015
Sep 24, 2014 1RT Total Absent 20140924031 SOUTH SPIGOT DIST-A 0.20Oct 03, 2014
Jun 24, 2014 1AS Total Absent 20140624037 SRC AA WELL HEAD SRC-AA Jul 01, 2014
Jun 24, 2014 1RT Total Absent 20140624036 SOUTH SPIGOT DIST-A 0.10Jul 01, 2014
Mar 19, 2014 1RT Total Absent 20140319030 SOUTH SPIGOT DIST-A 0.10Mar 28, 2014
Dec 13, 2013 1RT Total Absent 20131213020 SOUTH SPIGOT DIST-A 0.02Dec 20, 2013
Jul 16, 2013 1RT Total Absent 20130716014 RESIDENCE STANDPIPE DIST-A 0.00Jul 25, 2013
Apr 18, 2013 1RT Total Absent 20130418020 SOUTH SPIGOT DIST-A 0.00May 01, 2013
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Mar 19, 2013 1RT Total Absent 20130319021 CENTER RESTROOM SPIG DIST-A 0.20Mar 28, 2013
Mar 19, 2013 1AS Total Absent 20130319020 SRC AA MAIN WELL HEA SRC-AA Mar 28, 2013
Nov 09, 2012 1RT Total Absent 20121109010 SOUTH STANDPIPE DIST-A 0.00Nov 16, 2012
Aug 08, 2012 1RT Total Absent 20120808016 Shelter spigot DIST-A 0.00Aug 21, 2012
May 09, 2012 1RT Total Absent 20120509050 Center Restroom DIST-A 0.00May 30, 2012
Mar 09, 2012 1RT Total Absent 20120309006 South spigot DIST-A 0.00Mar 30, 2012
Dec 02, 2011 1RT Total Absent 20111202005 south spigot DIST-A 0.00Dec 21, 2011
Sep 15, 2011 1RT Total Absent 20110915008 shelter sink DIST-A 0.30Sep 22, 2011
Jun 22, 2011 1RT Total Absent 20110623023 host site DIST-A 0.20Jul 05, 2011
Feb 22, 2011 1RT Total Absent 20110222014 host site DIST-A 1.30Mar 07, 2011
Dec 08, 2010 1RT Total Absent 20101208028 residence spigot DIST-A 0.60Dec 16, 2010
Aug 10, 2010 1RT Total Absent 20100810010 host site DIST-A Aug 17, 2010
Jun 16, 2010 1RT Total Absent 20100616053 shelter DIST-A 0.10Jul 08, 2010
Mar 04, 2010 1RT Total Absent 20100304039 host site DIST-A 0.10Mar 12, 2010
Dec 15, 2009 1RT Total Absent 20091215059 Host site DIST-A 0.10Dec 21, 2009
Aug 26, 2009 1RT Total Absent 20090826008 SOUTH WATER SPIGOT DIST-A 0.80Sep 04, 2009
Jul 31, 2009 1RT Total Absent 20090731020 MAUD PUMP HOUSE (RES DIST-A 0.30Aug 07, 2009
Jul 29, 2009 1RT Total Absent 20090729013 HOST SITE SPIGOT DIST-A 0.30Aug 07, 2009
Jul 29, 2009 1RT Total Absent 20090729011 SOUTH SPIGOT DIST-A 0.30Aug 07, 2009
Jul 29, 2009 1RT Total Absent 20090729012 CENTER RESTROOM SPIG DIST-A 0.30Aug 07, 2009
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Jul 13, 2009 1RT Total Absent 20090713013 HOST SITE DIST-A 0.30Jul 29, 2009
Jul 01, 2009 1RP Total Absent 20090701084 20090625027 SOUTH WATER SPIGOT DIST-A Jul 29, 2009
Jul 01, 2009 1RP Total Absent 20090701085 20090625027 WELLHEAD DIST-A Jul 29, 2009
Jul 01, 2009 1RP Total Absent 20090701083 20090625027 SOUTH WATER SPIGOT DIST-A Jul 29, 2009
Jul 01, 2009 1RP Total Absent 20090701010 20090625027 SOUTH SPIGOT DIST-A 0.30Jul 29, 2009
Jun 25, 2009 1RT Total POSITIVE 20090625027 SOUTH SPIGOT DIST-A 0.15Jun 30, 2009
RT E. coli Absent 20090625027 SOUTH SPIGOT DIST-A 0.15
Mar 13, 2009 1RT Total Absent 20090313013 RESIDENCE PUMP HOUSE DIST-A 0.20Mar 25, 2009
Dec 11, 2008 1RT Total Absent 20081211048 HOST SITE SOUTH SPIG DIST-A 0.50Dec 29, 2008
Sep 19, 2008 1RT Total Absent 20080919029 TEST POINT SOUTH SPI DIST-A 0.20Oct 01, 2008
Jun 26, 2008 1RT Total Absent 20080627030 MAUD SOUTH SPIGOT DIST-A 0.30Jul 08, 2008
Mar 13, 2008 1RT Total Absent 20080313035 PUMPHOUSE SPIGOT DIST-A 0.90Mar 18, 2008
Dec 17, 2007 1RT Total Absent 20071217035 22800 WALLACE RD NW DIST-A 0.50Jan 02, 2008
Sep 17, 2007 1RT Total Absent 20070917025 22800 WALLACE RD CE DIST-A 0.40Sep 26, 2007
Apr 27, 2007 1RT Total Absent 20070427019 SOUTH SPIGOT DIST-A 0.50May 03, 2007
Apr 27, 2007 1RT Total Absent 20070427020 MAUD HOUSE SPIGOT DIST-A 0.50May 03, 2007
Apr 27, 2007 1RT Total Absent 20070427021 HOUSE PUMP SPIGOT DIST-A 0.50May 03, 2007
Apr 27, 2007 1RT Total Absent 20070427022 HOST SITE SPIGOT DIST-A 0.50May 03, 2007
Apr 16, 2007 1RP Total Absent 20070416030 20070321024 SOUTH SPIGOT DIST-A 0.50May 02, 2007
Mar 29, 2007 1RP Total Absent 20070329014 20070321024 KITCHEN SHELTER WALL DIST-A 0.30Apr 05, 2007
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Mar 29, 2007 1RP Total Absent 20070329015 20070321024 CESTER RESTROOM PIPE DIST-A 0.30Apr 05, 2007
Mar 29, 2007 1RP Total Absent 20070329016 20070321024 HOST STAND PIPE WALL DIST-A 0.30Apr 05, 2007
Mar 29, 2007 1RP Total Absent 20070329017 20070321024 SHOP WALLACE RD NW DIST-A 0.50Apr 05, 2007
Mar 21, 2007 1RT Total POSITIVE 20070321024 SOUTH RR SPIGOT DIST-A 0.30Mar 23, 2007
RT E. coli Absent 20070321024 SOUTH RR SPIGOT DIST-A 0.30
Sep 22, 2006 1RT Total Absent 20060922020 22800 WALLACE ROAD DIST-A Sep 29, 2006
Jun 26, 2006 1RT Total Absent 20060626037 22800 WALLACE ROAD DIST-A 0.30Jul 06, 2006
Mar 24, 2006 1RT Total Absent 20060324014 22800 WALLACE RD. DIST-A 0.20Apr 06, 2006
Oct 03, 2005 1RT Total Absent 01635 DIST-A 0.30Oct 06, 2005
Jun 27, 2005 1RT Total Absent 01047 DIST-A 0.30Jun 30, 2005
Mar 23, 2005 1RT Total Absent 00307 DIST-A 0.40Mar 28, 2005
Nov 15, 2004 1RT Total Absent 02061 DIST-A 0.30Nov 18, 2004
Sep 08, 2004 1RT Total Absent 01636 DIST-A 0.40Sep 13, 2004
Jun 28, 2004 1RT Total Absent 01243 DIST-A Jul 01, 2004
Apr 29, 2004 1RT Total Absent 00774 DIST-A May 11, 2004
Apr 28, 2004 1RT Total Absent 00754 DIST-A May 11, 2004
Apr 27, 2004 1RT Total Absent 00720-1 DIST-A May 04, 2004
Apr 27, 2004 1RT Total Absent 00720-2 DIST-A May 04, 2004
Apr 27, 2004 1RT Total Absent 00720-3 DIST-A May 04, 2004
Mar 29, 2004 1RP Total Absent 00548 00362 N RESTROOM FAUCET DIST-A Apr 01, 2004
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Mar 25, 2004 1RP Total Absent 00546 00362 NORTH MINI SHELTER DIST-A Mar 30, 2004
Mar 18, 2004 1RP Total Absent 00513 00362 SOUTH RESTROOM DIST-A Mar 23, 2004
Mar 08, 2004 1RP Total Absent 00387 00362 SOUTH FAUCET DIST-A Mar 11, 2004
Mar 02, 2004 1RT Total POSITIVE 00362 S FAUCET STAND DIST-A Mar 05, 2004
RT E. coli Absent 00362 S FAUCET STAND DIST-A
Dec 15, 2003 1RT Total Absent 04151 DIST-A Dec 24, 2003
Aug 28, 2003 1RT Total Absent 03104 DIST-A Sep 05, 2003
Apr 28, 2003 1RP Total Absent 01184 01113 S RAYN SPARS DIST-A May 07, 2003
Apr 28, 2003 1RP Total Absent 01186 01113 NORTH RESTROOM STAND DIST-A May 07, 2003
Apr 28, 2003 1RP Total Absent 01185 01113 MOND SHELTER DIST-A May 07, 2003
Apr 24, 2003 1RP Total Absent 01165 01113 CENTER RESTROOM DIST-A May 02, 2003
Apr 21, 2003 1RT Total POSITIVE 01113 CENTER RESTROOM DIST-A Apr 24, 2003
RT E. coli Absent 01113 CENTER RESTROOM DIST-A
Jan 27, 2003 1RT Total Absent 00203 DIST-A Jan 31, 2003
Oct 22, 2002 1RT Total Absent 03582 DIST-A Oct 28, 2002
Jul 16, 2002 1RT Total Absent 02314 DIST-A
Apr 18, 2002 1RT Total Absent 01460 DIST-A Apr 25, 2002
Feb 27, 2002 1RT Total Absent 00689-1 DIST-A Mar 05, 2002
Feb 27, 2002 1RT Total Absent 00689-2 DIST-A Mar 05, 2002
Feb 25, 2002 1RT Total Absent 00660 DIST-A Mar 04, 2002
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Feb 21, 2002 1RT Total Absent 00627 DIST-A Feb 27, 2002
Feb 19, 2002 1RT Total Absent 00601 DIST-A Feb 26, 2002
Feb 07, 2002 1RT Total Absent 00454 DIST-A Feb 19, 2002
Jan 11, 2002 1RT Total Absent 020111018 Center Restroom/Maud DIST-A Feb 04, 2002
Jan 04, 2002 1RP Total Absent 020104029 00013 North Shelter DIST-A Feb 04, 2002
Jan 04, 2002 1RP Total Absent 020104028 00013 Picnic Shelter DIST-A Feb 04, 2002
Jan 04, 2002 1RP Total Absent 020104027 00013 Center Restroom @ Ma DIST-A Feb 04, 2002
Jan 04, 2002 1RP Total Absent 020104026 00013 Maud Williamson Resi DIST-A Feb 04, 2002
Jan 02, 2002 1RT Total POSITIVE 00013 CENTER RR DIST-A Jan 07, 2002
RT Fecal Absent 00013 CENTER RR DIST-A



See also:  Coliform Fact Sheet  ::  Coliform Schedules  ::  Archived Results  ::  MRDL Summary  ::  Batch Numbers

Sample types:  AS=Assessment, CO=Confirmation, MU=Make-up, RP=Repeat, RT=Routine, SP=Special, TG=Triggered. See the glossary for more information.

Filter options:  Show special samples  ::  Show rejected samples  ::  Exclude results older than 2022


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