OHA Drinking Water Services
PWS ID: 94200 ---- COE DALLES/JD-THE DALLES DAM
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
205538-I 07/06/2020 07/08/2020 NITRATE EP for WELL #3 (IN OREGON) EP-CND
203432-I 08/12/2019 08/15/2019 NITRATE EP for WELL #3 (IN OREGON) EP-CND
200645-I 07/02/2018 07/05/2018 NITRATE EP for WELL #3 (IN OREGON) EP-CND
197956-I 07/10/2017 07/13/2017 NITRATE EP for WELL #3 (IN OREGON) EP-CND
196105-I 09/07/2016 09/08/2016 NITRATE EP for WELL #3 (IN OREGON) EP-CND
194766-I 03/28/2016 03/29/2016 NITRATE EP FOR WELL #1 (IN WASHINGTON STATE) EP-AND
194041-I 11/02/2015 11/04/2015 NITRATE EP for WELL #3 (IN OREGON) EP-CND
193527-I 08/03/2015 08/10/2015 NITRATE EP for WELL #3 (IN OREGON) EP-CND
192600-I 03/16/2015 03/17/2015 NITRATE EP FOR WELL #1 (IN WASHINGTON STATE) EP-AND
191335-I 07/07/2014 07/22/2014 NITRATE EP for WELL #3 (IN OREGON) EP-CND
773TD-I 07/08/2013 07/09/2013 NITRATE EP for WELL #3 (IN OREGON) EP-CND
729TD-I 07/10/2012 07/16/2012 NITRATE EP for WELL #3 (IN OREGON) EP-CND
692TD-I 11/02/2011 11/23/2011 NITRATE EP FOR WELL #1 (IN WASHINGTON STATE) EP-AND
110967501B-I 09/22/2011 10/14/2011 NITRATE EP for WELL #3 (IN OREGON) EP-CND
670TD-I 07/06/2011 07/07/2011 NITRATE Distribution System DIST-AND
600TD-I 06/10/2010 11/09/2010 NITRATE EP for WELL #3 (IN OREGON) EP-CND
540-I 08/06/2009 08/27/2009 NITRATE EP FOR WELL #1 (IN WASHINGTON STATE) EP-AND
273-I 07/10/2008 07/16/2008 NITRATE EP for WELL #3 (IN OREGON) EP-CND
199 06/20/2007 06/27/2007 NITRATE EP for WELL #3 (IN OREGON) EP-CND
140 06/21/2006 10/20/2006 NITRATE EP for WELL #3 (IN OREGON) EP-CND
0512363I 12/15/2005 01/09/2006 NITRATE EP FOR WELL #1 (IN WASHINGTON STATE) EP-AND
A41027L-1I 10/27/2004 09/16/2005 NITRATE EP for WELL #3 (IN OREGON) EP-CND
A40729I-1 07/28/2004 08/11/2004 NITRATE EP for WELL #3 (IN OREGON) EP-C0.3
A30722L-1 07/22/2003 08/01/2003 NITRATE EP for WELL #3 (IN OREGON) EP-CND
544 12/11/2002 12/31/2002 NITRATE EP FOR WELL #1 (IN WASHINGTON STATE) EP-AND
387 06/12/2002 06/21/2002 NITRATE EP for WELL #3 (IN OREGON) EP-CND
 

Archived Nitrate Samples
Sample ID Sample
Date
Date
Received
Analyte Name Source Name Source
ID
Result
1122822 12/27/2001 01/31/2002 Nitrate WELL #3 (IN OREGON) CA0.121
3310 08/28/2000 09/20/2000 Nitrate WELL #1 (IN WASHINGTON STATE) AAND
890 05/17/1999 06/30/1999 Nitrate WELL #3 (IN OREGON) CA0.54
81230-13 12/29/1998 02/18/1999 Nitrate WELL #3 (IN OREGON) CAND
9276 02/19/1998 03/04/1998 Nitrate WELL #3 (IN OREGON) CA0.46
3801-3 12/29/1994 02/02/1995 Nitrate WELL #1 (IN WASHINGTON STATE) AAND
3801-2 12/29/1994 02/02/1995 Nitrate WELL #3 (IN OREGON) CA0.01
4914 10/24/1994 11/09/1994 Nitrate EP for WELL #1 (IN WASHINGTON STATE) A0.5
-1877763 06/19/1986 06/19/1986 Nitrate WELL #1 (IN WASHINGTON STATE) A0.2
-1877764 06/18/1986 05/19/1987 Nitrate WELL #1 (IN WASHINGTON STATE) A0.2
 




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Lead & Copper :: Corrosion Control (LCR) :: Nitrate :: Arsenic :: Radionuclides :: GWR 4-Log :: LT2 :: Cyanotoxins
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 1640