OHA Drinking Water Services
PWS ID: 00517 ---- COBBLESTONE MHP
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
2006069102A-I 06/15/2020 06/19/2020 NITRATE EP FOR WELL #3 EP-AND
190281701A-I 02/25/2019 03/11/2019 NITRATE EP FOR WELL #3 EP-AND
180902101B-I 09/04/2018 09/10/2018 NITRATE EP FOR WELL #3 EP-AND
171105401A-I 11/02/2017 11/09/2017 NITRATE EP FOR WELL #3 EP-AND
160465001C-I 04/18/2016 05/03/2016 NITRATE EP FOR WELL #3 EP-AND
151187101A-I 11/24/2015 12/01/2015 NITRATE EP FOR WELL #3 EP-AND
141001501A-I 10/01/2014 10/07/2014 NITRATE EP FOR WELL #3 EP-AND
130906701A-I 09/04/2013 09/11/2013 NITRATE EP FOR WELL #3 EP-A0.783
120944901A-I 09/14/2012 09/17/2012 NITRATE EP FOR WELL #3 EP-A0.685
111004402A-I 10/04/2011 10/24/2011 NITRATE EP FOR WELL #3 EP-A0.87
101141801B-I 11/16/2010 12/03/2010 NITRATE EP FOR WELL #3 EP-A0.655
090425701B-I 04/13/2009 05/08/2009 NITRATE EP FOR WELL #3 EP-A2.24
080922401A-I 09/09/2008 10/08/2008 NITRATE EP FOR WELL #3 EP-A1.19
070814501C 08/06/2007 09/10/2007 NITRATE EP FOR WELL #3 EP-A0.912
060825401B 08/08/2006 09/06/2006 NITRATE EP FOR WELL #3 EP-A0.913
0509117-01B 09/06/2005 09/26/2005 NITRATE EP FOR WELL #3 EP-A0.896
0412334-01B 12/14/2004 01/13/2005 NITRATE EP FOR WELL #3 EP-A1.47
0307005-01B 07/01/2003 07/28/2003 NITRATE EP FOR WELL #3 EP-A2.7
 

Archived Nitrate Samples
Sample ID Sample
Date		 Date
Received		 Analyte Name Source Name Source
ID		 Result
0110333 10/17/2001 12/14/2001 Nitrate WELLFIELD (WELLS #1 & 2) A1.18
0006205 06/08/2000 07/03/2000 Nitrate WELL #1 AA1.32
9906417 06/21/1999 06/30/1999 Nitrate WELLFIELD (WELLS #1 & 2) A1.5
980903DA*A 09/02/1998 06/04/1999 Nitrate WELLFIELD (WELLS #1 & 2) A0.6
98-1144 02/06/1998 02/13/1998 Nitrate WELLFIELD (WELLS #1 & 2) A1.9
97-8993 08/29/1997 09/08/1997 Nitrate WELLFIELD (WELLS #1 & 2) A1.3
96-5981 07/02/1996 07/09/1996 Nitrate WELLFIELD (WELLS #1 & 2) A0.94
95-10320 10/17/1995 10/27/1995 Nitrate WELLFIELD (WELLS #1 & 2) A0.595
94-10918 10/31/1994 03/24/1995 Nitrate WELLFIELD (WELLS #1 & 2) A0.53
-1965224 05/15/1991 06/18/1991 Nitrate WELLFIELD (WELLS #1 & 2) A2.92
-1965225 11/21/1990 12/18/1990 Nitrate WELLFIELD (WELLS #1 & 2) AND
-1965226 05/16/1988 06/03/1988 Nitrate WELLFIELD (WELLS #1 & 2) A5.91
-1965227 05/13/1986 05/13/1986 Nitrate WELLFIELD (WELLS #1 & 2) A5.36
 



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