OHA Drinking Water Services
PWS ID: 00548 ---- CLARKS BRANCH WATER ASSOC
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
004100401-I 04/10/2020 04/20/2020 NITRATE EP FOR SOUTH UMPQUA RIVER EP-AND
911061602-I 11/05/2019 12/04/2019 NITRATE EP FOR SOUTH UMPQUA RIVER EP-AND
808201601-I 08/19/2018 08/31/2018 NITRATE EP FOR SOUTH UMPQUA RIVER EP-AND
708162302-I 08/15/2017 08/31/2017 NITRATE EP FOR SOUTH UMPQUA RIVER EP-A0.13
609010205-I 08/31/2016 10/04/2016 NITRATE EP FOR SOUTH UMPQUA RIVER EP-AND
508070203-I 08/07/2015 09/21/2015 NITRATE EP FOR SOUTH UMPQUA RIVER EP-A0.31
404071201-I 04/07/2014 04/17/2014 NITRATE EP FOR SOUTH UMPQUA RIVER EP-A0.17
309110101-I 09/11/2013 09/16/2013 NITRATE EP FOR SOUTH UMPQUA RIVER EP-AND
205090201-I 05/09/2012 05/29/2012 NITRATE EP FOR SOUTH UMPQUA RIVER EP-AND
106011001-I 06/01/2011 07/27/2011 NITRATE EP FOR SOUTH UMPQUA RIVER EP-A0.14
002080201-I 02/08/2010 03/03/2010 NITRATE EP FOR SOUTH UMPQUA RIVER EP-A0.13
905270301-I 05/27/2009 07/22/2009 NITRATE EP FOR SOUTH UMPQUA RIVER EP-AND
805190801-I 05/19/2008 06/11/2008 NITRATE EP FOR SOUTH UMPQUA RIVER EP-AND
706040601 06/04/2007 06/18/2007 NITRATE EP FOR SOUTH UMPQUA RIVER EP-AND
60523-8N 05/23/2006 06/19/2006 NITRATE EP FOR SOUTH UMPQUA RIVER EP-AND
50707-85 07/07/2005 10/03/2005 NITRATE EP FOR SOUTH UMPQUA RIVER EP-AND
40917-4 09/17/2004 10/15/2004 NITRATE EP FOR SOUTH UMPQUA RIVER EP-AND
30221-4 02/21/2003 04/25/2003 NITRATE EP FOR SOUTH UMPQUA RIVER EP-A0.26
20206-31 02/06/2002 02/22/2002 NITRATE EP FOR SOUTH UMPQUA RIVER EP-A0.34
 

Archived Nitrate Samples
Sample ID Sample
Date
Date
Received
Analyte Name Source Name Source
ID
Result
1021911 02/19/2001 04/04/2001 Nitrate EP FOR SOUTH UMPQUA RIVER AND
2002084 02/08/2000 03/08/2000 Nitrate EP FOR SOUTH UMPQUA RIVER A0.17
90825-16 08/25/1999 09/28/1999 Nitrate EP FOR SOUTH UMPQUA RIVER AND
80224-6 02/24/1998 03/25/1998 Nitrate EP FOR SOUTH UMPQUA RIVER A0.13
60308-1 03/08/1996 04/11/1996 Nitrate EP FOR SOUTH UMPQUA RIVER A0.13
51207-2 12/07/1995 01/10/1996 Nitrate EP FOR SOUTH UMPQUA RIVER AND
50915-1 09/15/1995 10/12/1995 Nitrate EP FOR SOUTH UMPQUA RIVER AND
50525-2 05/24/1995 06/13/1995 Nitrate EP FOR SOUTH UMPQUA RIVER AND
50323-1 03/23/1995 05/11/1995 Nitrate EP FOR SOUTH UMPQUA RIVER AND
31001-1 09/30/1993 01/31/1994 Nitrate STANDARD ENTRY POINT AND
-1962723 11/13/1992 03/18/1993 Nitrate SOUTH UMPQUA RIVER AND
-1962724 08/13/1991 09/17/1991 Nitrate SOUTH UMPQUA RIVER A0.1
-1962725 05/24/1990 06/26/1990 Nitrate SOUTH UMPQUA RIVER AND
-1962726 08/07/1989 09/15/1989 Nitrate SOUTH UMPQUA RIVER A0.4
-1962727 08/25/1988 12/12/1988 Nitrate SOUTH UMPQUA RIVER A0.55
-1962728 03/02/1987 05/18/1987 Nitrate SOUTH UMPQUA RIVER A0.4
-1962729 03/10/1986 03/10/1986 Nitrate SOUTH UMPQUA RIVER A0.3
 




For further information on this public water system, click on the area of interest below:
System Info :: Report for Lenders :: Alerts :: Violations :: Compliance & Enforcement :: Contacts & Advisories :: Site Visits :: Public Notice
Coliform Summary :: Coliform Results :: Sampling Schedule for Coliform :: Groundwater/GWUDI Source Details :: Plan Review :: Annual Fee
Chemical Group Summary :: Latest Chemical Results :: Entry Point Detects :: Single Analyte Results 
Chemical Schedule Summary :: Chemical Schedule Details
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: 3972