OHA Drinking Water Services
PWS ID: 95174 ---- COLUMBIA RIVER DAIRY

Alerts indicate water quality tests with analytical results greater than the detection limit or one-half of the maximum allowable contaminant level which may require some follow-up actions by Drinking Water Services. See the Contacts link for reports on follow-up actions. Alerts are not water quality violations. Violations for this water system can be found here.

Alert Type Abbreviations:  COLI = Coliform, SOURCE = Coliform source sample*, SODIUM = Sodium*
*Non-alert (water quality notice)
Results:  18 alerts found for this water system.Show response time
Water Quality Alerts
Alert ID Sample
Date
Alert
Date
Source
ID
Source Name Alert
Type
Contaminant Result Alert
Level
MCL Contact
Report
COLI20457 10/19/2020 10/22/2020 SRC-CA Shop Well SOURCE* COLIFORM, TOTAL (TCR) Present Present Present10/22/2020
COLI19106 08/06/2019 08/08/2019 SRC-AB new Holstein well SOURCE* COLIFORM, TOTAL (TCR) Present Present Present08/08/2019
COLI19044 07/16/2019 07/19/2019 SRC-DA well #5 COLI COLIFORM, E. COLI Present Present Present07/19/2019
COLI19044 07/16/2019 07/19/2019 SRC-DA well #5 SOURCE* COLIFORM, TOTAL (TCR) Present Present Present07/19/2019
COLI19040 07/16/2019 07/18/2019 DIST-A Milk Room Sink COLI COLIFORM, TOTAL (TCR) Present Present Present07/18/2019
COLI18831 05/06/2019 05/10/2019 SRC-BA Jersey Well SOURCE* COLIFORM, TOTAL (TCR) Present Present Present05/10/2019
COLI18796 04/16/2019 04/24/2019 DIST-A Holstein well breakroom COLI COLIFORM, TOTAL (TCR) Present Present Present05/01/2019
CHEM8252 01/22/2019 02/28/2019 EP-D EP FOR WELL #5 SODIUM* SODIUM 93.320
CHEM8252 01/22/2019 02/28/2019 EP-E EP FOR WELL #7 SODIUM* SODIUM 10120
COLI18536 07/17/2018 12/17/2018 SRC-CB Willow Creek Well SOURCE* COLIFORM, TOTAL (TCR) Present Present Present12/27/2018
COLI18536 07/17/2018 12/17/2018 SRC-EA Well #7 SOURCE* COLIFORM, TOTAL (TCR) Present Present Present12/27/2018
CHEM7866 07/12/2017 02/13/2018 EP-E EP FOR WELL #7 SODIUM* SODIUM 10220
CHEM7048 01/11/2016 02/08/2016 EP-C EP FOR OFFICE WELL (MORR 1528) SODIUM* SODIUM 91.120
CHEM5351 04/17/2012 05/09/2012 EP-A EP FOR HOLSTEIN WELL (WELLFIELD) SODIUM* SODIUM 94.720
COLI2561 10/11/2005 10/24/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM381 04/08/2003 05/05/2003 EP-A EP FOR HOLSTEIN & JERSEY DAIRY WELLS SODIUM* SODIUM 99.520
CHEM274 07/30/2002 01/15/2003 EP-A EP FOR HOLSTEIN & JERSEY DAIRY WELLS SODIUM* SODIUM 90.920
CHEM216 10/07/2002 11/19/2002 EP-A EP FOR HOLSTEIN & JERSEY DAIRY WELLS SODIUM* SODIUM 10420
*Non-alert (water quality notice)


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
11/19/2001Coliform



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: 4740