OHA Drinking Water Services
PWS ID: 00958 ---- YONCALLA, 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
111092901-I 11/09/2021 11/30/2021 NITRATE EP FOR WILSON & ADAMS CREEKS EP-AND
011121301-I 11/12/2020 11/23/2020 NITRATE EP FOR WILSON & ADAMS CREEKS EP-AND
905090302-I 05/09/2019 06/13/2019 NITRATE EP FOR WILSON & ADAMS CREEKS EP-AND
811270501-I 11/27/2018 12/07/2018 NITRATE EP FOR WILSON & ADAMS CREEKS EP-AND
703090301-I 03/09/2017 03/24/2017 NITRATE EP FOR WILSON & ADAMS CREEKS EP-AND
601070202-I 01/07/2016 02/05/2016 NITRATE EP FOR WILSON & ADAMS CREEKS EP-AND
503052201-I 03/05/2015 03/17/2015 NITRATE EP FOR WILSON & ADAMS CREEKS EP-AND
404030901-I 04/03/2014 04/30/2014 NITRATE EP FOR WILSON & ADAMS CREEKS EP-AND
402110806-I 02/11/2014 02/28/2014 NITRATE WILSON CREEK SRC-AAND
301032802-I 01/03/2013 01/18/2013 NITRATE EP FOR WILSON & ADAMS CREEKS EP-AND
201040501-I 01/04/2012 02/09/2012 NITRATE EP FOR WILSON & ADAMS CREEKS EP-A0.1
101130601-I 01/13/2011 02/04/2011 NITRATE EP FOR WILSON & ADAMS CREEKS EP-AND
011092401-I 11/09/2010 12/08/2010 NITRATE EP FOR WILSON & ADAMS CREEKS EP-AND
001251003-I 01/25/2010 03/08/2010 NITRATE EP FOR WILSON & ADAMS CREEKS EP-AND
801141004 01/14/2008 02/14/2008 NITRATE EP FOR WILSON & ADAMS CREEKS EP-AND
701230402-I 01/23/2007 02/09/2007 NITRATE EP FOR WILSON & ADAMS CREEKS EP-AND
601233 01/23/2006 06/11/2007 NITRATE EP FOR WILSON & ADAMS CREEKS EP-A0.2
50216-26 02/16/2005 03/07/2005 NITRATE EP FOR WILSON & ADAMS CREEKS EP-A0.14
41206-12 12/06/2004 01/14/2005 NITRATE EP FOR WILSON & ADAMS CREEKS EP-AND
30311-16 03/11/2003 04/07/2003 NITRATE EP FOR WILSON & ADAMS CREEKS EP-AND
20123-16 01/22/2002 02/04/2002 NITRATE EP FOR WILSON & ADAMS CREEKS EP-AND
 

Archived Nitrate Samples
Sample ID Sample
Date
Date
Received
Analyte Name Source Name Source
ID
Result
1081410 08/14/2001 10/12/2001 Nitrate EP for Wilson Creek AND
2010058 10/04/2000 11/06/2000 Nitrate EP FOR Wilson Creek AND
2007215 07/20/2000 08/03/2000 Nitrate EP FOR Wilson Creek AND
2003273 03/27/2000 04/12/2000 Nitrate EP FOR Wilson Creek AND
191013-2 10/13/1999 11/08/1999 Nitrate EP for Wilson Creek AND
80413-14 04/13/1998 06/24/1998 Nitrate EP FOR Wilson Creek AND
61217-2 12/17/1996 01/15/1997 Nitrate WILSON CREEK AAND
60917-1 09/17/1996 10/21/1996 Nitrate EP FOR Wilson Creek AND
60626-6 06/26/1996 07/15/1996 Nitrate EP FOR Wilson Creek AND
60409-1 04/09/1996 08/05/1996 Nitrate WILSON CREEK AAND
51106-2 11/06/1995 12/08/1995 Nitrate EP FOR Wilson Creek AND
-1932532 06/23/1992 09/25/1992 Nitrate EP for Wilson Creek AND
-1932641 06/23/1992 08/14/1992 Nitrate EP FOR Wilson Creek AND
-1932642 06/12/1991 07/23/1991 Nitrate EP FOR Wilson Creek A0.1
-1932643 06/04/1990 07/12/1990 Nitrate EP FOR Wilson Creek AND
-1932644 06/06/1989 07/11/1989 Nitrate EP FOR Wilson Creek A0.17
-1932645 06/09/1988 07/12/1988 Nitrate EP FOR Wilson Creek A0.16
-1932646 06/01/1987 07/13/1987 Nitrate EP FOR Wilson Creek AND
-1932647 08/28/1986 10/08/1986 Nitrate EP FOR Wilson Creek AND
-1932648 08/28/1986 08/28/1986 Nitrate EP FOR Wilson Creek 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 :: PFAS
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 4130