OHA Drinking Water Services
PWS ID: 00236 ---- COTTAGE GROVE, 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
004141001-I 04/13/2020 05/08/2020 EP FOR WTP ROW RIVER EP-BND
108090701-I 08/08/2011 09/13/2011 EP FOR WTP ROW RIVER EP-BND
908110201-I 08/10/2009 08/24/2009 EP FOR WTP ROW RIVER EP-BND
808120206-A 08/11/2008 09/05/2008 EP FOR WTP ROW RIVER EP-BND
708070802 08/06/2007 08/27/2007 EP FOR WTP ROW RIVER EP-BND
6080816 08/07/2006 08/30/2006 EP FOR WTP ROW RIVER EP-BND
50719-3 07/18/2005 08/31/2005 EP FOR WTP ROW RIVER EP-BND
40803-10 08/02/2004 08/27/2004 EP FOR WTP ROW RIVER EP-BND
30825-10 08/24/2003 09/12/2003 EP FOR WTP ROW RIVER EP-BND
20724-2I 07/23/2002 09/12/2002 EP FOR WTP ROW RIVER EP-BND
 

Archived Arsenic Samples
Sample ID Sample
Date		 Date
Received		 Source Name Source
ID		 Result
1071912 07/18/2001 08/16/2001 WTP LAYNG CREEK/PRATHER CREEK AND
1071911 07/18/2001 08/16/2001 WTP ROW RIVER BND
20071014 07/09/2000 08/10/2000 WTP LAYNG CREEK/PRATHER CREEK AND
20071015 07/09/2000 08/10/2000 WTP ROW RIVER BND
90129-2 01/28/1999 04/09/1999 WTP LAYNG CREEK/PRATHER CREEK AND
90129-3 01/28/1999 03/30/1999 WTP ROW RIVER BND
80122-1 01/21/1998 02/25/1998 WTP LAYNG CREEK/PRATHER CREEK AND
80122-2 01/21/1998 02/25/1998 WTP ROW RIVER BND
70117-6 01/16/1997 02/27/1997 WTP ROW RIVER BND
70106-1 01/05/1997 02/27/1997 WTP LAYNG CREEK/PRATHER CREEK AND
60126-1 01/25/1996 04/23/1996 WTP ROW RIVER BND
50131-4 01/30/1995 03/14/1995 WTP LAYNG CREEK/PRATHER CREEK AND
50131-3 01/30/1995 03/23/1995 WTP ROW RIVER BND
40131-1 01/30/1994 03/11/1994 STANDARD ENTRY POINT AND
30712-2 07/11/1993 11/22/1993 WTP ROW RIVER BND
-1984909 01/31/1993 04/12/1993 LAYNG CREEK/PRATHER CREEK AND
-1984910 06/14/1992 07/27/1992 LAYNG CREEK/PRATHER CREEK AND
-1984694 06/14/1992 07/27/1992 LAYING CREEK/PRATHER CREEK AAND
-1984621 06/14/1992 07/27/1992 WTP ROW RIVER BND
-1984530 06/14/1992 07/27/1992 WELL (SHALLOW) BBND
-1984911 06/16/1991 07/25/1991 LAYNG CREEK/PRATHER CREEK AND
-1984695 06/16/1991 07/25/1991 LAYING CREEK/PRATHER CREEK AAND
-1984622 06/16/1991 07/25/1991 WTP ROW RIVER BND
-1984531 06/16/1991 07/25/1991 WELL (SHALLOW) BBND
-1984912 06/10/1990 07/18/1990 LAYNG CREEK/PRATHER CREEK AND
-1984696 06/10/1990 07/18/1990 LAYING CREEK/PRATHER CREEK AAND
-1984623 06/10/1990 07/18/1990 WTP ROW RIVER BND
-1984532 06/10/1990 07/18/1990 WELL (SHALLOW) BBND
-1984913 06/04/1989 07/14/1989 LAYNG CREEK/PRATHER CREEK A0.003
-1984697 06/04/1989 07/14/1989 LAYING CREEK/PRATHER CREEK AAND
-1984624 06/04/1989 07/14/1989 WTP ROW RIVER BND
-1984533 06/04/1989 07/20/1989 WELL (SHALLOW) BBND
-1984625 06/07/1988 07/19/1988 WTP ROW RIVER BND
-1984534 06/07/1988 07/19/1988 WELL (SHALLOW) BBND
-1984914 06/06/1988 07/19/1988 LAYNG CREEK/PRATHER CREEK AND
-1984698 06/06/1988 07/19/1988 LAYING CREEK/PRATHER CREEK AAND
-1984915 07/22/1986 07/22/1986 LAYNG CREEK/PRATHER CREEK AND
 



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