OHA Drinking Water Services
PWS ID: 00930 ---- WALLOWA, CITY OF
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
1909046301B-I 09/09/2019 09/25/2019 EP FOR WELL #2 EP-C0.00111
60412022-I 04/11/2016 04/28/2016 EP FOR WELL #2 EP-C0.0007
30924241-I 09/23/2013 07/14/2014 EP FOR WELL #2 EP-C0.000734
10907101-I 09/06/2011 09/20/2011 EP for WELL #1 (BIG WELL) EP-A0.001
10831071-I 08/29/2011 10/05/2011 EP for WELL #1 (BIG WELL) EP-A0.0011
A90105K1-I 12/29/2008 02/02/2009 EP for WELL #1 (BIG WELL) EP-AND
A50614BO-1 06/13/2005 01/10/2006 EP for WELL #1 (BIG WELL) EP-A0.0009
A20320AN-1I 03/18/2002 04/17/2002 EP for WELL #1 (BIG WELL) EP-A0.0009
 

Archived Arsenic Samples
Sample ID Sample
Date
Date
Received
Source Name Source
ID
Result
990923YAA 09/21/1999 10/18/1999 WELL #1 (BIG WELL) AA0.0008
990923VBA 09/21/1999 10/18/1999 WELL #2 (BATES WELL) BAND
960925AIAA 09/23/1996 03/04/1998 WELL #1 (BIG WELL) AA0.0009
960925AIBA 09/23/1996 03/05/1998 WELL #2 (BATES WELL) BA0.0005
931223SAA 12/20/1993 03/17/1994 WELL #1 (BIG WELL) AAND
931223SBA 12/20/1993 03/17/1994 WELL #2 (BATES WELL) BAND
-1935009 08/08/1989 12/14/1989 WELL #1 (BIG WELL) AND
-1934954 08/08/1989 12/14/1989 WELL #2 (BATES WELL) BND
-1935010 08/29/1986 09/17/1986 WELL #1 (BIG WELL) 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: 3803