OHA Drinking Water Services
PWS ID: 94200 ---- COE DALLES/JD-THE DALLES DAM
Excel Spreadsheet

MCL = 0.010 mg/L; MCL exceedances are indicated with red text.
ND = Not detected at the minimum reporting level.
Arsenic Samples
Sample ID Sample
Date
Date
Received
Source Name Source
ID
Result
(mg/L)
Comments
1608D5201B-I 08/25/2016 09/19/2016 EP FOR WELL #1 (IN WASHINGTON STATE) EP-A0.0011
160783701B-I 07/19/2016 08/03/2016 EP for WELL #3 (IN OREGON) EP-CND
110967501B-I 09/22/2011 10/14/2011 EP for WELL #3 (IN OREGON) EP-CND
100836501A-I 08/09/2010 09/08/2010 EP for WELL #3 (IN OREGON) EP-CND
080944502A-I 09/16/2008 10/08/2008 EP for WELL #3 (IN OREGON) EP-C0.00102
A70620AE1 06/20/2007 07/17/2007 EP for WELL #3 (IN OREGON) EP-CND
0512363I 12/15/2005 01/09/2006 EP FOR WELL #1 (IN WASHINGTON STATE) EP-AND
A41027L-1I 10/27/2004 09/16/2005 EP for WELL #3 (IN OREGON) EP-CND
 

Archived Arsenic Samples
Sample ID Sample
Date
Date
Received
Source Name Source
ID
Result
1122822 12/27/2001 01/31/2002 WELL #3 (IN OREGON) CAND
81230-13 12/29/1998 02/18/1999 WELL #3 (IN OREGON) CAND
3801-3 12/29/1994 02/02/1995 WELL #1 (IN WASHINGTON STATE) AA0.0083
3801-2 12/29/1994 02/02/1995 WELL #3 (IN OREGON) CA0.0084
-1877775 06/19/1986 06/19/1986 WELL #1 (IN WASHINGTON STATE) AND
-1877776 06/18/1986 05/19/1987 WELL #1 (IN WASHINGTON STATE) 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: 1640