OHA Drinking Water Services
PWS ID: 95174 ---- COLUMBIA RIVER DAIRY
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
23-08915-I 02/09/2023 03/27/2023 EP FOR SHOP AND 6 MILE WELLS EP-C0.0013
23-08916-I 02/09/2023 03/27/2023 EP FOR SHOP AND 6 MILE WELLS EP-C0.0011
2212245-02 12/15/2022 03/06/2023 EP FOR WELL #5 EP-DND
210746201 07/28/2021 09/10/2021 EP FOR HOLSTEIN WELL EP-AND
190113804-I 01/22/2019 02/27/2019 EP FOR WELL #5 EP-DND
190113805-I 01/22/2019 02/27/2019 EP FOR WELL #7 EP-END
62674 07/12/2017 01/10/2018 EP FOR WELL #7 EP-END
60112243-I 01/11/2016 02/03/2016 EP FOR WELL #5 EP-DND
50415341-I 04/14/2015 04/27/2015 EP FOR HOLSTEIN WELL EP-AND
20418151-I 04/17/2012 05/08/2012 EP FOR HOLSTEIN WELL EP-AND
19984-I 08/19/2010 03/25/2015 HOLSTEIN WELL #6 SRC-ABND
PRI107302-A 09/29/2008 10/07/2008 EP FOR HOLSTEIN WELL EP-AND
PRI107502-A 09/29/2008 10/07/2008 EP FOR HOLSTEIN WELL EP-AND
PRI107602-A 09/29/2008 10/07/2008 EP FOR HOLSTEIN WELL EP-AND
64609I 04/08/2003 04/25/2003 EP FOR HOLSTEIN WELL EP-AND
62167 10/07/2002 11/12/2002 EP FOR HOLSTEIN WELL EP-A0.004
109-60781I 07/30/2002 11/19/2002 EP FOR HOLSTEIN WELL EP-AND
 

Archived Arsenic Samples
Sample ID Sample
Date
Date
Received
Source Name Source
ID
Result
No archived results found.
 




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: 4740