OHA Drinking Water Services
PWS ID: 00587 ---- ONTARIO, CITY OF
Excel Spreadsheet

MCL = 0.010 mg/L; MCL exceedances are indicated with red text.
ND = Not detected at the minimum reporting level.
Arsenic Samples
Sample ID Sample
Date		 Date
Received		 Source Name Source
ID		 Result
(mg/L)		 Comments
1907762001-I 07/16/2019 08/16/2019 EP FOR RIVER, WELLS EP-AND
1807589001-I 07/11/2018 08/01/2018 EP FOR RIVER, WELLS EP-AND
1804853001-I 04/18/2018 05/01/2018 EP FOR RIVER, WELLS EP-AND
1704759001-I 04/19/2017 05/01/2017 EP FOR RIVER, WELLS EP-AND
1604902001-I 04/20/2016 04/29/2016 EP FOR RIVER, WELLS EP-AND
1504987001-I 04/22/2015 05/05/2015 EP FOR RIVER, WELLS EP-AND
140603046001-I 06/02/2014 06/25/2014 EP FOR RIVER, WELLS EP-A0.00295
140603046002-I 06/02/2014 06/25/2014 EP FOR RIVER, WELLS EP-A0.00352
140110031002-I 01/09/2014 02/10/2014 WELL 17 SRC-AI0.00514
130411039001-I 04/10/2013 05/01/2013 EP FOR RIVER, WELLS EP-A0.00235
121107024001-I 11/06/2012 11/26/2012 EP FOR RIVER, WELLS EP-A0.00467
110310041001-I 03/09/2011 03/31/2011 EP FOR RIVER, WELLS EP-A0.00446
100422023001-I 04/21/2010 05/27/2010 EP FOR RIVER, WELLS EP-A0.00522
070918033002 09/11/2007 10/25/2007 WELL 6 SRC-AE0.00722
070427004001 04/25/2007 05/18/2007 EP FOR RIVER, WELLS EP-A0.00387
070427004002 04/25/2007 05/18/2007 SNAKE RIVER SRC-AA0.00568
070427004004 04/25/2007 05/18/2007 WELL 4 SRC-AB0.00621
070427004003 04/25/2007 05/18/2007 INFILTRATION COLLECTOR - POND SRC-AD0.00585
070427004005 04/25/2007 05/18/2007 WELL 14 SRC-AF0.0052
06D0234-01 02/15/2006 03/16/2006 EP FOR RIVER, WELLS EP-A0.005
06D0234-03 02/15/2006 03/16/2006 EP FOR RIVER, WELLS EP-A0.005
05D2083-02 11/09/2005 12/05/2005 EP FOR RIVER, WELLS EP-A0.006
05D2083-01 11/09/2005 12/05/2005 EP FOR RIVER, WELLS EP-A0.007
05D2083-03 11/09/2005 12/05/2005 EP FOR RIVER, WELLS EP-A0.006
05D1233-01 07/27/2005 08/22/2005 EP FOR RIVER, WELLS EP-A0.008
05D0197-08I 02/15/2005 04/26/2005 EP FOR RIVER, WELLS EP-A0.008
05D0197-09 02/15/2005 03/14/2005 EP FOR RIVER, WELLS EP-A0.009
05D0197-05 02/15/2005 03/14/2005 INFILTRATION COLLECTOR - PIT SRC-AC0.012
04D0446-01I 04/15/2004 06/14/2004 EP FOR RIVER, WELLS EP-A0.006
30819-8I 08/18/2003 11/24/2003 INFILTRATION COLLECTOR - PIT SRC-AC0.013
30819-9I 08/18/2003 11/24/2003 INFILTRATION COLLECTOR - POND SRC-AD0.014
884102I 02/04/2003 03/05/2003 EP FOR RIVER, WELLS EP-A0.004
746701I 05/20/2002 06/20/2002 SNAKE RIVER SRC-AA0.005
746702I 05/20/2002 06/20/2002 WELL 4 SRC-AB0.006
720303 04/10/2002 09/05/2002 EP FOR RIVER, WELLS EP-A0.004
 

Archived Arsenic Samples
Sample ID Sample
Date		 Date
Received		 Source Name Source
ID		 Result
583301 07/24/2001 10/07/2002 EP FOR SNAKE RIVER & WELLFIELD A0.008
1996-98 12/09/1996 02/12/1997 WELLFIELD (8 WELLS) AB0.021
9601439 01/19/1996 09/18/1996 EP FOR SNAKE RIVER & WELLFIELD A0.009
9418191 07/18/1994 09/18/1996 EP FOR SNAKE RIVER & WELLFIELD AND
9418191 07/18/1994 08/21/1997 EP FOR SNAKE RIVER & WELLFIELD AND
NOT GIVEN 07/18/1994 12/23/1996 EP FOR SNAKE RIVER & WELLFIELD AND
9304874 03/15/1993 11/12/1993 EP FOR SNAKE RIVER & WELLFIELD A0.008
-1959330 08/29/1991 02/25/1992 EP FOR SNAKE RIVER & WELLFIELD AND
-1959215 08/29/1991 12/29/1992 WELLFIELD (8 WELLS) AB0.0103
-1959331 07/31/1990 10/30/1990 EP FOR SNAKE RIVER & WELLFIELD AND
-1959332 08/04/1989 12/12/1989 EP FOR SNAKE RIVER & WELLFIELD A0.007
-1959333 08/15/1988 09/30/1988 EP FOR SNAKE RIVER & WELLFIELD A0.006
-1959334 08/31/1987 01/08/1988 EP FOR SNAKE RIVER & WELLFIELD A0.005
-1959335 08/25/1986 04/13/1987 EP FOR SNAKE RIVER & WELLFIELD A0.008
 



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