OHA Drinking Water Services
PWS ID: 94203 ---- USACE JOHN DAY DAM
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
210290-I 07/07/2022 07/11/2022 NITRATE EP FOR WELL #3 EP-AND
211032001-I 10/19/2021 11/29/2021 NITRATE EP FOR WELL #3 EP-AND
206732-I 01/06/2021 01/12/2021 NITRATE EP FOR WELL #3 EP-AND
206731-I 01/06/2021 01/12/2021 NITRATE EP FOR WELL #2 EP-BND
202761-I 06/04/2019 06/07/2019 NITRATE EP FOR WELL #2 EP-BND
201860-I 12/20/2018 12/21/2018 NITRATE EP FOR WELL #2 EP-BND
200539-I 06/25/2018 06/28/2018 NITRATE EP FOR WELL #3 EP-AND
198650-I 10/02/2017 10/05/2017 NITRATE EP FOR WELL #3 EP-AND
194891-I 04/18/2016 04/21/2016 NITRATE EP FOR WELL #3 EP-AND
193205-I 06/23/2015 06/26/2015 NITRATE EP FOR WELL #3 EP-AND
191068-I 06/04/2014 06/05/2014 NITRATE EP FOR WELL #3 EP-AND
189512-I 08/14/2013 08/19/2013 NITRATE EP FOR WELL #3 EP-AND
737TD-I 08/20/2012 08/27/2012 NITRATE EP FOR WELL #3 EP-AND
110807301B-I 08/02/2011 08/18/2011 NITRATE EP FOR WELL #3 EP-AND
665TD-I 06/16/2011 06/29/2011 NITRATE DISTRIBUTION SYSTEM DIST-AND
602 TD-I 06/10/2010 06/16/2010 NITRATE EP FOR WELL #3 EP-AND
541-I 08/06/2009 09/21/2009 NITRATE EP FOR WELL #3 EP-AND
274-I 07/10/2008 07/16/2008 NITRATE EP FOR WELL #3 EP-AND
194 06/19/2007 06/27/2007 NITRATE EP FOR WELL #3 EP-AND
139 06/21/2006 03/06/2007 NITRATE EP FOR WELL #3 EP-AND
A50921AQ1 09/21/2005 03/06/2007 NITRATE EP FOR WELL #3 EP-AND
0412327I 12/14/2004 01/11/2005 NITRATE EP FOR WELL #3 EP-AND
A40729J-1 07/28/2004 08/11/2004 NITRATE EP FOR WELL #3 EP-AND
A30722U-1 07/22/2003 12/03/2003 NITRATE EP FOR WELL #3 EP-AND
543 12/11/2002 12/31/2002 NITRATE EP FOR WELL #3 EP-AND
386 06/12/2002 06/21/2002 NITRATE EP FOR WELL #3 EP-AND
 

Archived Nitrate Samples
Sample ID Sample
Date		 Date
Received		 Analyte Name Source Name Source
ID		 Result
1122821 12/27/2001 01/31/2002 Nitrate EP FOR WELLS #1 & #3 A0.292
3426 09/12/2000 10/12/2000 Nitrate EP FOR WELLS #1 & #3 AND
892 05/17/1999 06/30/1999 Nitrate EP FOR WELLS #1 & #3 A0.58
990211ASBA 02/11/1999 06/09/1999 Nitrate WELL #2 BAND
81230-12 12/28/1998 02/18/1999 Nitrate EP FOR WELLS #1 & #3 AND
9275 02/19/1998 03/04/1998 Nitrate EP FOR WELLS #1 & #3 A0.5
3801-1 12/28/1994 01/31/1995 Nitrate EP FOR WELLS #1 & #3 AND
4915 10/24/1994 11/09/1994 Nitrate EP FOR WELLS #1 & #3 A0.56
-1877686 06/18/1986 05/19/1987 Nitrate WELL #1 AA0.2
-1877687 06/29/1982 06/29/1982 Nitrate WELL #1 AAND
 



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: 1643
Information by county:
Inventory :: Surface Water Systems :: Water System Surveys :: Outstanding Performers :: Plan Reviews :: System Scores :: Exceedances
Alerts :: Violations :: Compliance & Enforcement :: Significant Deficiencies :: Cross Connection ASRs :: Treatment Plant Inspections :: Fluoride
Water Advisories :: Contact Reports :: Cyanotoxins :: PFAS :: Post-wildfire VOCs :: Public Notices
Inventory List for all Oregon Drinking Water Systems in Excel or printable screen format
Lab Help: Tools for Laboratories :: Staff/Partner Login
Introduction :: Data Search Options :: Water System Search :: DWS Home