Coliform fact sheet

PWS ID: 00657 ---- PORTLAND WATER BUREAU

Current Coliform Summary History
Samples RequiredSample TypeSampling Period Type
240RTMONTH
Spreadsheet
Number of Samples Reported
Period End Date Routines Reported Routine TC+ Routine FC+ Repeats Reported Repeat TC+ Repeat FC+ Period Type
Mar 31, 2023000000QT
Feb 28, 202324200000MN
Jan 31, 202325700000MN
Dec 31, 20220000006M
Dec 31, 202227100000MN
Dec 31, 2022000000QT
Nov 30, 202227000000MN
Oct 31, 202226110300MN
Sep 30, 202226010300MN
Sep 30, 2022000000QT
Aug 31, 202225300000MN
Jul 31, 202223810300MN
Jun 30, 20220000006M
Jun 30, 202225200000MN
Jun 30, 2022000000QT
May 31, 202225200000MN
Apr 30, 202225700000MN
Mar 31, 202225100000MN
Mar 31, 2022000000QT
Feb 28, 202225200000MN
Jan 31, 202225300000MN
Dec 31, 20210000006M
Dec 31, 202125900000MN
Dec 31, 2021000000QT
Nov 30, 202125300000MN
Oct 31, 202125900000MN
Sep 30, 202124910300MN
Sep 30, 2021000000QT
Aug 31, 202125600000MN
Jul 31, 202125800000MN
Jun 30, 20210000006M
Jun 30, 202125800000MN
Jun 30, 2021000000QT
May 31, 202125300000MN
Apr 30, 202125700000MN
Mar 31, 202124900000MN
Mar 31, 2021000000QT
Feb 28, 202125300000MN
Jan 31, 202126800000MN
Dec 31, 20200000006M
Dec 31, 202026500000MN
Dec 31, 2020000000QT
Nov 30, 202025711300MN
Oct 31, 202025500000MN
Sep 30, 202025600000MN
Sep 30, 2020000000QT
Aug 31, 202025410300MN
Jul 31, 202025100000MN
Jun 30, 20200000006M
Jun 30, 202024210300MN
Jun 30, 2020000000QT
May 31, 202025800000MN
Apr 30, 202025600000MN
Mar 31, 202025000000MN
Mar 31, 2020000000QT
Feb 29, 202026000000MN
Jan 31, 202025900000MN
Dec 31, 20190000006M
Dec 31, 20190000009Y
Dec 31, 201925900000MN
Dec 31, 2019000000QT
Nov 30, 201926000000MN
Oct 31, 201925600000MN
Sep 30, 201925900000MN
Sep 30, 2019000000QT
Aug 31, 201925910300MN
Jul 31, 201926710300MN
Jun 30, 20190000006M
Jun 30, 201926100000MN
Jun 30, 2019000000QT
May 31, 201925900000MN
Apr 30, 201927400000MN
Mar 31, 201925800000MN
Mar 31, 2019000000QT
Feb 28, 201926800000MN
Jan 31, 201925700000MN
Dec 31, 20180000006M
Dec 31, 201825800000MN
Dec 31, 2018000000QT
Nov 30, 201826620600MN
Oct 31, 201828700000MN
Sep 30, 201825500000MN
Sep 30, 2018000000QT
Aug 31, 201827010300MN
Jul 31, 201825910300MN
Jun 30, 20180000006M
Jun 30, 201825910300MN
Jun 30, 2018000000QT
May 31, 201827700000MN
Apr 30, 201825900000MN
Mar 31, 201826000000MN
Mar 31, 2018000000QT
Feb 28, 201825800000MN
Jan 31, 201826000000MN
Dec 31, 20170000006M
Dec 31, 201725800000MN
Dec 31, 2017000000QT
Nov 30, 201726200000MN
Oct 31, 201728300000MN
Sep 30, 201725600000MN
Sep 30, 2017000000QT
Aug 31, 201728200000MN
Jul 31, 201725720600MN
Jun 30, 20170000006M
Jun 30, 201725600000MN
Jun 30, 2017000000QT
May 31, 201726600000MN
Apr 30, 201725500000MN
Mar 31, 201726300000MN
Mar 31, 2017000000QT
Feb 28, 201725800000MN
Jan 31, 201725800000MN
Dec 31, 20160000006M
Dec 31, 201625700000MN
Dec 31, 2016000000QT
Nov 30, 201625700000MN
Oct 31, 201625110610MN
Sep 30, 201625300000MN
Sep 30, 2016000000QT
Aug 31, 201628000000MN
Jul 31, 201625800000MN
Jun 30, 20160000006M
Jun 30, 201625400000MN
Jun 30, 2016000000QT
May 31, 201623600000MN
Apr 30, 201622300000MN
Mar 31, 201625800000MN
Mar 31, 2016000000QT
Feb 29, 201622500000MN
Jan 31, 201623100000MN
Dec 31, 20150000006M
Dec 31, 201525500000MN
Dec 31, 2015000000QT
Nov 30, 201523000000MN
Oct 31, 201522800000MN
Sep 30, 201523800000MN
Sep 30, 2015000000QT
Aug 31, 201523810300MN
Jul 31, 201523600000MN
Jun 30, 20150000006M
Jun 30, 201528100000MN
Jun 30, 2015000000QT
May 31, 201522310300MN
Apr 30, 201528000000MN
Mar 31, 201528600000MN
Mar 31, 2015000000QT
Feb 28, 201524600000MN
Jan 31, 201526310610MN
Dec 31, 20140000006M
Dec 31, 201428500000MN
Dec 31, 2014000000QT
Nov 30, 201424300000MN
Oct 31, 201433310300MN
Sep 30, 201431030900MN
Sep 30, 2014000000QT
Aug 31, 201428710300MN
Jul 31, 201432210300MN
Jun 30, 20140000006M
Jun 30, 201429110300MN
Jun 30, 2014000000QT
May 31, 201426933900MN
Apr 30, 201428200000MN
Mar 31, 201425711300MN
Mar 31, 2014000000QT
Feb 28, 201422600000MN
Jan 31, 201423700000MN
Dec 31, 20130000006M
Dec 31, 201324000000MN
Dec 31, 2013000000QT
Nov 30, 201324010300MN
Oct 31, 201328810300MN
Sep 30, 201332114066310MN
Sep 30, 2013000000QT
Aug 31, 201327020600MN
Jul 31, 201328600000MN
Jun 30, 20130000006M
Jun 30, 201324200000MN
Jun 30, 2013000000QT
May 31, 201327300000MN
Apr 30, 201326600000MN
Mar 31, 201324300000MN
Mar 31, 2013000000QT
Feb 28, 201322600000MN
Jan 31, 201325300000MN
Dec 31, 20120000006M
Dec 31, 201223800000MN
Dec 31, 2012000000QT
Nov 30, 201223100000MN
Oct 31, 201229821600MN
Sep 30, 201222700000MN
Sep 30, 2012000000QT
Aug 31, 201226900000MN
Jul 31, 201226011610MN
Jun 30, 20120000006M
Jun 30, 201223710300MN
Jun 30, 2012000000QT
May 31, 201228510300MN
Apr 30, 201228210300MN
Mar 31, 201226400000MN
Mar 31, 2012000000QT
Feb 29, 201226730900MN
Jan 31, 201229700000MN
Dec 31, 20110000006M
Dec 31, 201129100000MN
Dec 31, 2011000000QT
Nov 30, 201131800000MN
Oct 31, 201132600000MN
Sep 30, 201131110300MN
Sep 30, 2011000000QT
Aug 31, 201134930900MN
Jul 31, 201127710300MN
Jun 30, 201132410300MN
Jun 30, 2011000000QT
May 31, 201131300000MN
Apr 30, 201125600000MN
Mar 31, 201130600000MN
Mar 31, 2011000000QT
Feb 28, 201124310300MN
Jan 31, 201125800000MN
Dec 31, 201026500000MN
Dec 31, 2010000000QT
Nov 30, 201025200000MN
Oct 31, 2010230401820MN
Sep 30, 201028320600MN
Sep 30, 2010000000QT
Aug 31, 2010319401820MN
Jul 31, 201028820600MN
Jun 30, 201031831900MN
Jun 30, 2010000000QT
May 31, 201027700000MN
Apr 30, 201029511300MN
Mar 31, 201035900000MN
Mar 31, 2010000000QT
Feb 28, 201027500000MN
Jan 31, 201027400000MN
Dec 31, 200927710300MN
Dec 31, 2009000000QT
Nov 30, 200926411611MN
Oct 31, 2009292702710MN
Sep 30, 200928920300MN
Sep 30, 2009000000QT
Aug 31, 200930030900MN
Jul 31, 2009305401820MN
Jun 30, 200930810300MN
Jun 30, 2009000000QT
May 31, 200924020600MN
Apr 30, 200927900000MN
Mar 31, 200929600000MN
Mar 31, 2009000000QT
Feb 28, 200924810300MN
Jan 31, 200926300000MN
Dec 31, 200825910300MN
Dec 31, 2008000000QT
Nov 30, 200823400000MN
Oct 31, 200829100000MN
Sep 30, 200827520600MN
Sep 30, 2008000000QT
Aug 31, 2008256301830MN
Jul 31, 200833830900MN
Jun 30, 200828810300MN
Jun 30, 2008000000QT
May 31, 200827700000MN
Apr 30, 200832900000MN
Mar 31, 200830700000MN
Mar 31, 2008000000QT
Feb 29, 200826600000MN
Jan 31, 200828700000MN
Dec 31, 200728400000MN
Dec 31, 2007000000QT
Nov 30, 200723910300MN
Oct 31, 200733220600MN
Sep 30, 200726420600MN
Sep 30, 2007000000QT
Aug 31, 200733200000MN
Jul 31, 200732400000MN
Jun 30, 200730700000MN
Jun 30, 2007000000QT
May 31, 200733700000MN
Apr 30, 200731400000MN
Mar 31, 200732200000MN
Mar 31, 2007000000QT
Feb 28, 200728100000MN
Jan 31, 200730800000MN
Dec 31, 20060000006M
Dec 31, 200627100000MN
Dec 31, 2006000000QT
Nov 30, 200631500000MN
Oct 31, 200632000000MN
Sep 30, 200627600000MN
Sep 30, 2006000000QT
Aug 31, 200635800000MN
Jul 31, 200628900000MN
Jun 30, 200634000000MN
Jun 30, 2006000000QT
May 31, 200633100000MN
Apr 30, 200630500000MN
Mar 31, 200634000000MN
Mar 31, 2006000000QT
Feb 28, 200628800000MN
Jan 31, 200630900000MN
Dec 31, 200529700000MN
Dec 31, 2005000000QT
Nov 30, 200532600000MN
Oct 31, 200532500000MN
Sep 30, 200530800000MN
Sep 30, 2005000000QT
Aug 31, 200535730900MN
Jul 31, 200528100000MN
Jun 30, 200530300000MN
Jun 30, 2005000000QT
May 31, 200531900000MN
Apr 30, 200529900000MN
Mar 31, 200535400000MN
Mar 31, 2005000000QT
Feb 28, 200528300000MN
Jan 31, 200528700000MN
Dec 31, 20040000003Y
Dec 31, 200431400000MN
Dec 31, 2004000000QT
Nov 30, 200428800000MN
Oct 31, 200428800000MN
Sep 30, 200430100000MN
Sep 30, 2004000000QT
Aug 31, 200430020600MN
Jul 31, 200424900000MN
Jun 30, 200431711300MN
May 31, 200428000000MN
Apr 30, 200429600000MN
Mar 31, 200433700000MN
Mar 31, 2004000000QT
Feb 29, 200424310300MN
Jan 31, 2004248401200MN
Dec 31, 200331100000MN
Dec 31, 2003000000QT
Nov 30, 200322500000MN
Oct 31, 200329420910MN
Sep 30, 200328510300MN
Sep 30, 2003000000QT
Aug 31, 2003265501500MN
Jul 31, 200330700000MN
Jun 30, 200328720600MN
Jun 30, 2003000000QT
May 31, 200326500000MN
Apr 30, 200332000000MN
Mar 31, 200330100000MN
Mar 31, 2003000000QT
Feb 28, 200326600000MN
Jan 31, 200328100000MN
Dec 31, 200229000000MN
Dec 31, 2002000000QT
Nov 30, 200224300000MN
Oct 31, 200231700000MN
Sep 30, 200228500000MN
Sep 30, 2002000000QT
Aug 31, 200229911300MN
Jul 31, 200230600000MN
Jun 30, 200228900000MN
Jun 30, 2002000000QT
May 31, 200229300000MN
Apr 30, 200231200000MN
Mar 31, 200227200000MN
Feb 28, 200226710300MN
Jan 31, 200230800000MN
Only show results since 01/01/2002

Number of Samples Reported Prior to 01/01/2002 (SWS Archive)
PeriodRoutines Reported Routines RequiredRoutine TC+ Routine FC+ Repeats Reported Repeat TC+ Repeat FC+
Dec 01, 200125521000000
Nov 01, 200127621010300
Oct 01, 200138821000000
Sep 01, 200131921000000
Aug 01, 200134121000000
Jul 01, 200136221010800
Jun 01, 200135021000000
May 01, 200136721000000
Apr 01, 200135821010300
Mar 01, 200136721000000
Feb 01, 200132321000000
Jan 01, 200133921000000
Dec 01, 200031621000000
Nov 01, 200033421000000
Oct 01, 200035221000000
Sep 01, 200035021020910
Aug 01, 200038621030900
Jul 01, 200033321010300
Jun 01, 200036621000000
May 01, 200036721000000
Apr 01, 200032821000000
Mar 01, 200035921000000
Feb 01, 200031921000000
Jan 01, 200037121000000
Dec 01, 199942021000000
Nov 01, 199938321011300
Oct 01, 199941221000000
Sep 01, 199941121000000
Aug 01, 199942721000000
Jul 01, 199940321000000
Jun 01, 199942821000000
May 01, 199939221000000
Apr 01, 199943121000000
Mar 01, 199944021000000
Feb 01, 199936221000900
Jan 01, 199936421000000
Dec 01, 199839821000000
Nov 01, 199837221000000
Oct 01, 199843621000000
Sep 01, 1998422210401200
Aug 01, 199841721000000
Jul 01, 199846321000000
Jun 01, 199844121000000
May 01, 199840021000000
Apr 01, 199845621000000
Mar 01, 199845321000000
Feb 01, 199838821000000
Jan 01, 199836921000000
Dec 01, 199744721011300
Nov 01, 199736021000000
Oct 01, 199745321000000
Sep 01, 199743221000000
Aug 01, 199742321010610
Jul 01, 199744821000000
Jun 01, 199742421000000
May 01, 199739921011300
Apr 01, 199744621000000
Mar 01, 199742621000000
Feb 01, 199738321000000
Jan 01, 199742421000000

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