OHA Drinking Water Services
PWS ID: 00534 ---- MOLALLA, 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
031502004-I 11/10/2020 12/03/2020 NITRATE EP FOR MOLALLA RIVER EP-A0.364
931602505-I 11/12/2019 12/04/2019 NITRATE EP FOR MOLALLA RIVER EP-AND
832402904-I 11/20/2018 01/07/2019 NITRATE EP FOR MOLALLA RIVER EP-AND
804406001-I 02/13/2018 04/04/2018 NITRATE EP FOR MOLALLA RIVER EP-A0.127
731105704-I 11/07/2017 12/04/2017 NITRATE EP FOR MOLALLA RIVER EP-AND
632003303-I 11/15/2016 12/01/2016 NITRATE EP FOR MOLALLA RIVER EP-A0.115
532103601-I 11/17/2015 12/03/2015 NITRATE EP FOR MOLALLA RIVER EP-A0.212
432202303-I 11/18/2014 12/05/2014 NITRATE EP FOR MOLALLA RIVER EP-A0.147
331701602-I 11/13/2013 12/06/2013 NITRATE EP FOR MOLALLA RIVER EP-AND
236102301-I 12/26/2012 01/04/2013 NITRATE EP FOR MOLALLA RIVER EP-AND
107401001-I 03/15/2011 04/07/2011 NITRATE EP FOR MOLALLA RIVER EP-AND
1006810-I 03/09/2010 04/07/2010 NITRATE EP FOR MOLALLA RIVER EP-AND
0906916-I 03/10/2009 04/06/2009 NITRATE EP FOR MOLALLA RIVER EP-AND
0815517-I 06/03/2008 07/07/2008 NITRATE EP FOR MOLALLA RIVER EP-AND
0716305-I 06/12/2007 07/06/2007 NITRATE EP FOR MOLALLA RIVER EP-AND
0605236 02/21/2006 04/05/2006 NITRATE EP FOR MOLALLA RIVER EP-A0.5
0605235 02/21/2006 04/05/2006 NITRATE EP FOR MOLALLA RIVER EP-AND
05046/09I 02/15/2005 04/05/2005 NITRATE EP FOR MOLALLA RIVER EP-AND
04279/23 10/05/2004 11/03/2004 NITRATE EP FOR MOLALLA RIVER EP-AND
04132/10-I 05/11/2004 06/03/2004 NITRATE EP FOR MOLALLA RIVER EP-AND
04062/24I 03/02/2004 04/05/2004 NITRATE EP FOR MOLALLA RIVER EP-AND
04013/47 01/13/2004 02/04/2004 NITRATE EP FOR MOLALLA RIVER EP-AND
04013/47-I 01/13/2004 04/05/2004 NITRATE EP FOR MOLALLA RIVER EP-AND
03280/18 10/07/2003 11/06/2003 NITRATE EP FOR MOLALLA RIVER EP-AND
03112/16 04/22/2003 06/05/2003 NITRATE EP FOR MOLALLA RIVER EP-AND
03014/12I 01/14/2003 03/05/2003 NITRATE EP FOR MOLALLA RIVER EP-AND
02281-64 10/08/2002 11/06/2002 NITRATE EP FOR MOLALLA RIVER EP-AND
02204/38 07/23/2002 10/03/2002 NITRATE EP FOR MOLALLA RIVER EP-AND
02113/32 04/23/2002 07/03/2002 NITRATE EP FOR MOLALLA RIVER EP-AND
02022/24 01/22/2002 03/21/2002 NITRATE EP FOR MOLALLA RIVER EP-AND
 

Archived Nitrate Samples
Sample ID Sample
Date
Date
Received
Analyte Name Source Name Source
ID
Result
01079/44 03/20/2001 04/13/2001 Nitrate EP FOR MOLALLA RIVER A0.8
00193/22 07/11/2000 08/17/2000 Nitrate EP FOR MOLALLA RIVER AND
229/39 08/17/1999 09/14/1999 Nitrate EP FOR MOLALLA RIVER AND
260/18 09/17/1998 10/06/1998 Nitrate EP FOR MOLALLA RIVER AND
266/28 09/23/1997 03/06/1998 Nitrate EP FOR MOLALLA RIVER AND
26362 04/09/1996 06/18/2001 Nitrate EP FOR MOLALLA RIVER AND
23318 04/04/1995 05/05/1995 Nitrate EP FOR MOLALLA RIVER AND
17869 09/21/1993 03/08/1994 Nitrate STANDARD ENTRY POINT A0.33
-1963771 04/07/1992 05/13/1992 Nitrate MOLALLA RIVER A0.6
-1963772 03/12/1991 04/18/1991 Nitrate MOLALLA RIVER A0.18
-1963773 02/13/1990 08/01/1990 Nitrate MOLALLA RIVER A1.5
-1963774 02/28/1989 03/15/1989 Nitrate MOLALLA RIVER A0.15
-1963775 02/03/1988 08/17/1988 Nitrate MOLALLA RIVER A0.24
-1963776 09/18/1986 10/14/1986 Nitrate MOLALLA RIVER AND
-1963777 09/18/1986 09/18/1986 Nitrate MOLALLA RIVER AND
 




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: 3971