OHA Drinking Water Services
PWS ID: 00587 ---- ONTARIO, CITY OF
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
2007246001-I 07/06/2020 07/22/2020 NITRATE EP FOR RIVER, WELLS EP-A1.18
1907762001-I 07/16/2019 08/16/2019 NITRATE EP FOR RIVER, WELLS EP-A1.15
1807589001-I 07/11/2018 08/01/2018 NITRATE EP FOR RIVER, WELLS EP-A1.09
1804853001-I 04/18/2018 05/01/2018 NITRATE EP FOR RIVER, WELLS EP-A0.715
1704759001-I 04/19/2017 05/01/2017 NITRATE EP FOR RIVER, WELLS EP-A0.631
1604902001-I 04/20/2016 04/29/2016 NITRATE EP FOR RIVER, WELLS EP-A0.828
1504987001 04/22/2015 05/05/2015 NITRATE EP FOR RIVER, WELLS EP-A1.65
140603046001-I 06/02/2014 06/25/2014 NITRATE EP FOR RIVER, WELLS EP-A1.25
140110031002-I 01/09/2014 02/10/2014 NITRATE WELL 17 SRC-AIND
130411039001-I 04/10/2013 05/01/2013 NITRATE EP FOR RIVER, WELLS EP-A1.92
121107024001-I 11/06/2012 11/26/2012 NITRATE EP FOR RIVER, WELLS EP-A2.02
110310041001-I 03/09/2011 03/31/2011 NITRATE EP FOR RIVER, WELLS EP-A1.61
100422023001-I 04/21/2010 05/27/2010 NITRATE EP FOR RIVER, WELLS EP-A1.16
070427004001 04/25/2007 05/18/2007 NITRATE EP FOR RIVER, WELLS EP-A1
070427004002 04/25/2007 05/18/2007 NITRATE SNAKE RIVER SRC-AA0.844
070427004004 04/25/2007 05/18/2007 NITRATE WELL 4 SRC-AB2.24
070427004003 04/25/2007 05/18/2007 NITRATE INFILTRATION COLLECTOR - POND SRC-AD0.218
070427004005 04/25/2007 05/18/2007 NITRATE WELL 14 SRC-AF1.27
06D0261-02 02/27/2006 03/16/2006 NITRATE EP FOR RIVER, WELLS EP-AND
06D0261-03 02/27/2006 03/16/2006 NITRATE EP FOR RIVER, WELLS EP-A1.2
06D0261-01 02/27/2006 03/16/2006 NITRATE EP FOR RIVER, WELLS EP-A2.6
05D0197-08I 02/15/2005 04/26/2005 NITRATE EP FOR RIVER, WELLS EP-A1.6
05D0197-09 02/15/2005 03/14/2005 NITRATE EP FOR RIVER, WELLS EP-A1.7
04D1362 08/16/2004 09/07/2004 NITRATE EP FOR RIVER, WELLS EP-AND
04D0446-01I 04/15/2004 06/14/2004 NITRATE EP FOR RIVER, WELLS EP-AND
04D0434-01 04/15/2004 05/03/2004 NITRATE EP FOR RIVER, WELLS EP-A2.8
30819-8I 08/18/2003 11/24/2003 NITRATE INFILTRATION COLLECTOR - PIT SRC-ACND
30819-9I 08/18/2003 11/24/2003 NITRATE INFILTRATION COLLECTOR - POND SRC-ADND
884102I 02/04/2003 03/05/2003 NITRATE EP FOR RIVER, WELLS EP-A1.88
875109 01/13/2003 02/18/2003 NITRATE EP FOR RIVER, WELLS EP-A1.67
875110 01/13/2003 02/18/2003 NITRATE WELL 4 SRC-AB0.86
746701I 05/20/2002 06/20/2002 NITRATE SNAKE RIVER SRC-AA1.37
746702I 05/20/2002 06/20/2002 NITRATE WELL 4 SRC-AB2.61
691501 02/11/2002 03/04/2002 NITRATE EP FOR RIVER, WELLS EP-A3.02
688003 02/05/2002 08/15/2002 NITRATE EP FOR RIVER, WELLS EP-A1.9
688002 02/05/2002 09/05/2002 NITRATE WELL 4 SRC-AB3.96
 

Archived Nitrate Samples
Sample ID Sample
Date
Date
Received
Analyte Name Source Name Source
ID
Result
583301 07/24/2001 10/07/2002 Nitrate EP FOR SNAKE RIVER & WELLFIELD A0.01
A10306AR1A 03/05/2001 03/19/2001 Nitrate EP FOR SNAKE RIVER & WELLFIELD A3.5
A10306AR2A 03/05/2001 03/19/2001 Nitrate EP FOR SNAKE RIVER & WELLFIELD A1.4
3958 02/08/2000 04/12/2000 Nitrate EP FOR SNAKE RIVER & WELLFIELD A2.26
9915506 06/14/1999 07/22/1999 Nitrate EP FOR SNAKE RIVER & WELLFIELD A0.56
9915507 06/14/1999 07/21/1999 Nitrate SNAKE RIVER AA0.58
9806676 03/25/1998 04/27/1998 Nitrate SNAKE RIVER AA0.76
9806675 03/25/1998 04/27/1998 Nitrate WELLFIELD (8 WELLS) AB2.39
9721630 09/08/1997 11/04/1997 Nitrate SNAKE RIVER AA0.83
9721629 09/08/1997 11/04/1997 Nitrate WELLFIELD (8 WELLS) AB2.11
1996-98 12/09/1996 01/09/1997 Nitrate EP FOR SNAKE RIVER & WELLFIELD A2.15
1996-98B 12/09/1996 01/09/1997 Nitrate WELLFIELD (8 WELLS) AB3.52
9616781 08/05/1996 12/16/1996 Nitrate EP FOR SNAKE RIVER & WELLFIELD A0.94
9608102 04/23/1996 06/11/1996 Nitrate EP FOR SNAKE RIVER & WELLFIELD A1.08
9608102 04/22/1996 12/16/1996 Nitrate EP FOR SNAKE RIVER & WELLFIELD A1.08
9522907 10/10/1995 06/11/1996 Nitrate EP FOR SNAKE RIVER & WELLFIELD A1.45
9513633 07/05/1995 06/11/1996 Nitrate EP FOR SNAKE RIVER & WELLFIELD A0.6
9506160 04/04/1995 06/11/1996 Nitrate EP FOR SNAKE RIVER & WELLFIELD A2.01
9501113 01/17/1995 06/11/1996 Nitrate EP FOR SNAKE RIVER & WELLFIELD A2.77
NOT GIVEN 07/18/1994 12/23/1996 Nitrate EP FOR SNAKE RIVER & WELLFIELD A1.08
9418191 07/18/1994 09/25/1996 Nitrate EP FOR SNAKE RIVER & WELLFIELD A1.08
9418191 07/18/1994 08/21/1997 Nitrate EP FOR SNAKE RIVER & WELLFIELD A1.08
93103059 06/22/1993 01/28/1994 Nitrate EP FOR SNAKE RIVER & WELLFIELD A0.9
9304874 03/15/1993 11/12/1993 Nitrate EP FOR SNAKE RIVER & WELLFIELD A1.41
-1959288 08/29/1991 02/25/1992 Nitrate EP FOR SNAKE RIVER & WELLFIELD A0.82
-1959208 08/29/1991 12/29/1992 Nitrate WELLFIELD (8 WELLS) AB0.82
-1959289 07/31/1990 10/30/1990 Nitrate EP FOR SNAKE RIVER & WELLFIELD AND
-1959290 08/04/1989 12/12/1989 Nitrate EP FOR SNAKE RIVER & WELLFIELD A0.69
-1959291 08/15/1988 09/30/1988 Nitrate EP FOR SNAKE RIVER & WELLFIELD A0.6
-1959292 08/31/1987 01/08/1988 Nitrate EP FOR SNAKE RIVER & WELLFIELD A0.95
-1959293 08/25/1986 04/13/1987 Nitrate EP FOR SNAKE RIVER & WELLFIELD A1.3
 




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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: 3898