OHA Drinking Water Services
PWS ID: 00549 ---- TRI-CITY JW&SA
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
202150101-I 02/15/2022 02/23/2022 NITRATE EP FOR SOUTH UMPQUA EP-AND
101080902-I 01/08/2021 01/22/2021 NITRATE EP FOR SOUTH UMPQUA EP-A0.15
001301701-I 01/30/2020 02/25/2020 NITRATE EP FOR SOUTH UMPQUA EP-AND
901080102-I 01/07/2019 01/22/2019 NITRATE EP FOR SOUTH UMPQUA EP-A0.14
802213001-I 02/21/2018 03/12/2018 NITRATE EP FOR SOUTH UMPQUA EP-A0.19
701092001-I 01/09/2017 01/18/2017 NITRATE EP FOR SOUTH UMPQUA EP-A0.19
601282201-I 01/28/2016 02/26/2016 NITRATE EP FOR SOUTH UMPQUA EP-A0.13
507072501-I 07/07/2015 07/24/2015 NITRATE EP FOR SOUTH UMPQUA EP-A0.11
407280501-I 07/28/2014 08/11/2014 NITRATE EP FOR SOUTH UMPQUA EP-AND
304230201-I 04/23/2013 05/16/2013 NITRATE EP FOR SOUTH UMPQUA EP-AND
202150201-I 02/15/2012 02/23/2012 NITRATE EP FOR SOUTH UMPQUA EP-AND
101250601-I 01/25/2011 02/01/2011 NITRATE EP FOR SOUTH UMPQUA EP-A0.1
001080101-I 01/08/2010 01/20/2010 NITRATE EP FOR SOUTH UMPQUA EP-AND
901120401-I 01/12/2009 02/09/2009 NITRATE EP FOR SOUTH UMPQUA EP-AND
801240701 01/24/2008 02/07/2008 NITRATE EP FOR SOUTH UMPQUA EP-A0.12
7011905-01 01/19/2007 02/05/2007 NITRATE EP FOR SOUTH UMPQUA EP-A0.15
610022202 10/02/2006 11/06/2006 NITRATE EP FOR SOUTH UMPQUA EP-AND
60130-5 01/30/2006 02/09/2006 NITRATE EP FOR SOUTH UMPQUA EP-AND
50103-14 01/03/2005 06/13/2005 NITRATE EP FOR SOUTH UMPQUA EP-A0.11
40109-19 01/09/2004 02/05/2004 NITRATE EP FOR SOUTH UMPQUA EP-AND
30121-3 01/21/2003 02/03/2003 NITRATE EP FOR SOUTH UMPQUA EP-A0.18
20206-33 02/06/2002 02/15/2002 NITRATE EP FOR SOUTH UMPQUA EP-A0.13
 

Archived Nitrate Samples
Sample ID Sample
Date
Date
Received
Analyte Name Source Name Source
ID
Result
102211 02/20/2001 05/21/2001 Nitrate EP FOR SOUTH UMPQUA AND
90901-34 09/13/1999 12/09/1999 Nitrate SOUTH UMPQUA RIVER AAND
90914-2 09/13/1999 12/09/1999 Nitrate SOUTH UMPQUA RIVER AAND
80106-9 01/06/1998 10/26/1998 Nitrate EP FOR SOUTH UMPQUA A0.1
71030-4 10/30/1997 02/25/1998 Nitrate EP FOR SOUTH UMPQUA AND
61204-1 12/04/1996 01/08/1997 Nitrate EP FOR SOUTH UMPQUA AND
61104-3 11/04/1996 12/04/1996 Nitrate EP FOR SOUTH UMPQUA AND
60813-2 08/13/1996 01/08/1997 Nitrate EP FOR SOUTH UMPQUA AND
60327-2A 03/27/1996 05/06/1996 Nitrate EP FOR SOUTH UMPQUA AND
51204-19 12/04/1995 03/27/1996 Nitrate EP FOR SOUTH UMPQUA AND
50607-9 06/07/1995 03/27/1996 Nitrate EP FOR SOUTH UMPQUA AND
40503-7 05/03/1994 07/19/1994 Nitrate EP FOR SOUTH UMPQUA AND
30301-51 03/01/1993 03/08/1994 Nitrate STANDARD ENTRY POINT A0.1
20416-3 04/16/1992 05/15/1992 Nitrate EP FOR SOUTH UMPQUA AND
-1962543 04/16/1992 06/18/1992 Nitrate SOUTH UMPQUA RIVER AND
-1962544 05/08/1991 06/18/1991 Nitrate SOUTH UMPQUA RIVER AND
-1962545 04/06/1990 05/11/1990 Nitrate SOUTH UMPQUA RIVER AND
-1962546 04/06/1989 05/12/1989 Nitrate SOUTH UMPQUA RIVER A0.34
-1962547 04/22/1988 08/08/1988 Nitrate SOUTH UMPQUA RIVER AND
-1962548 02/02/1987 03/18/1987 Nitrate SOUTH UMPQUA RIVER A0.5
-1962549 02/13/1986 08/05/1988 Nitrate SOUTH UMPQUA RIVER AND
 




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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: 3973