OHA Drinking Water Services
PWS ID: 94523 ---- CORVALLIS MARKET
Excel Spreadsheet

MCL = 10 mg/L; MCL exceedances are indicated with red text.
ND = Not detected at the minimum reporting level.
Nitrate Samples
Sample ID Sample
Date
Date
Received
Analyte Name Source Name Source
ID
Result
(mg/L)
Comments
20210104075-I 01/04/2021 01/06/2021 NITRATE EP for WELL EP-A4.1
20200106086-I 01/06/2020 01/14/2020 NITRATE EP for WELL EP-A5.51
20191010063-I 10/10/2019 10/24/2019 NITRATE EP for WELL EP-A4.71
20181009076-I 10/09/2018 10/16/2018 NITRATE EP for WELL EP-A4.83
20171009060-I 10/09/2017 10/17/2017 NITRATE EP for WELL EP-A4.29
20161011117-I 10/11/2016 10/18/2016 NITRATE EP for WELL EP-A6.53
20151013060-I 10/13/2015 10/19/2015 NITRATE EP for WELL EP-A4.8
20140710065-I 07/10/2014 07/25/2014 NITRATE EP for WELL EP-A5.62
20131015048-I 10/15/2013 10/25/2013 NITRATE EP for WELL EP-A3.86
20120808081-I 08/08/2012 08/15/2012 NITRATE EP for WELL EP-A4.77
20110720074-I 07/20/2011 08/11/2011 NITRATE EP for WELL EP-A4.79
20101018059-I 10/18/2010 10/25/2010 NITRATE EP for WELL EP-A5
20090715045-I 07/15/2009 07/29/2009 NITRATE EP for WELL EP-A6.4
20080715074-I 07/15/2008 07/24/2008 NITRATE EP for WELL EP-A4.7
20070712039 07/12/2007 07/31/2007 NITRATE EP for WELL EP-A4.5
20070410082 04/10/2007 04/20/2007 NITRATE EP for WELL EP-A5.7
20060718-079 07/18/2006 08/01/2006 NITRATE EP for WELL EP-A4.6
20051011-089 10/11/2005 10/27/2005 NITRATE EP for WELL EP-A8.5
20041012-079 10/12/2004 11/24/2004 NITRATE EP for WELL EP-A6.1
20031014-072 10/14/2003 10/24/2003 NITRATE EP for WELL EP-A4
20021008-065 10/08/2002 10/14/2002 NITRATE EP for WELL EP-A4.8
20020108-033 01/08/2002 01/18/2002 NITRATE EP for WELL EP-A3.7
 

Archived Nitrate Samples
Sample ID Sample
Date
Date
Received
Analyte Name Source Name Source
ID
Result
0011009089 10/09/2001 10/15/2001 Nitrate WELL AA4.1
0010710073 07/10/2001 07/27/2001 Nitrate WELL AA3.3
0010410055 04/10/2001 05/03/2001 Nitrate WELL AA3.3
0010109054 01/09/2001 01/16/2001 Nitrate WELL AA3.9
0001010072 10/10/2000 11/07/2000 Nitrate WELL AA3.7
0000718065 07/18/2000 07/24/2000 Nitrate WELL AA3.4
0000411063 04/11/2000 05/01/2000 Nitrate WELL AA5.8
000111-063 01/11/2000 01/24/2000 Nitrate WELL AA3.2
991012067 10/12/1999 10/22/1999 Nitrate WELL AA4.5
990713090 07/13/1999 07/26/1999 Nitrate WELL AA3.3
990413-058 04/13/1999 04/30/1999 Nitrate WELL AA3.4
990112-073 01/12/1999 02/24/1999 Nitrate WELL AA5.1
981013-076 10/13/1998 11/25/1998 Nitrate WELL AA3.8
980714-072 07/14/1998 09/14/1998 Nitrate WELL AA4.3
980414-066 04/14/1998 05/26/1998 Nitrate WELL AA6.1
980113-073 01/13/1998 02/12/1998 Nitrate WELL AA3
971014-065 10/14/1997 10/31/1997 Nitrate WELL AA3.9
970708-095 07/08/1997 08/08/1997 Nitrate WELL AA6.8
970408-059 04/08/1997 04/21/1997 Nitrate WELL AA6.9
970114-063 01/14/1997 02/14/1997 Nitrate WELL AA2.1
961008-055 10/08/1996 11/22/1996 Nitrate WELL AA5.8
951010-071 10/10/1995 10/25/1995 Nitrate WELL AA6.6
941011-061 10/11/1994 10/28/1994 Nitrate EP for WELL A6.7
931012-082 10/12/1993 11/08/1993 Nitrate WELL - WELL AA5.6
-1873402 03/21/1988 08/09/1988 Nitrate WELL A5.41
 




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Lead & Copper :: Corrosion Control (LCR) :: Nitrate :: Arsenic :: Radionuclides :: GWR 4-Log :: LT2 :: Cyanotoxins :: PFAS
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 2259