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

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, LCR = Lead and copper 90th percentile
Results:  29 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
COLI21561 10/19/2021 10/21/2021 DIST-A Well #3 COLI COLIFORM, TOTAL (TCR) Present Present Present10/21/2021
COLI21396 09/14/2021 09/16/2021 DIST-A Westrick Sink COLI COLIFORM, TOTAL (TCR) Present Present Present09/16/2021
COLI21377 09/08/2021 09/10/2021 DIST-A Westrick COLI COLIFORM, TOTAL (TCR) Present Present Present09/09/2021
COLI21269 08/09/2021 08/11/2021 DIST-A RSM Outside Faucet COLI COLIFORM, E. COLI Present Present Present08/11/2021
COLI21269 08/09/2021 08/11/2021 DIST-A RSM Outside Faucet COLI COLIFORM, TOTAL (TCR) Present Present Present08/11/2021
COLI19833 05/07/2020 05/08/2020 DIST-A Westrick COLI COLIFORM, TOTAL (TCR) Present Present Present05/08/2020
COLI19827 05/05/2020 05/07/2020 DIST-A Westrick COLI COLIFORM, TOTAL (TCR) Present Present Present05/07/2020
COLI15180 01/06/2016 01/08/2016 DIST-A Westrick COLI COLIFORM, TOTAL (TCR) Present Present Present01/07/2016
COLI15167 01/05/2016 01/06/2016 DIST-A Westrick COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI15036 12/08/2015 12/09/2015 DIST-A RSM faucet COLI COLIFORM, E. COLI Present Present Present
COLI15036 12/08/2015 12/09/2015 DIST-A RSM faucet COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM6373 07/09/2014 07/24/2014 LCR LEAD 90TH % VALUE 0.03780.0155 07/24/2012
COLI11955 08/13/2013 08/14/2013 DIST-A os faucet RCM COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI7893 07/12/2010 07/14/2010 DIST-A office COLI COLIFORM, TOTAL (TCR) Present Present Present07/12/2010
COLI7897 07/12/2010 07/14/2010 DIST-A ranger sink COLI COLIFORM, TOTAL (TCR) Present Present Present07/15/2010
COLI6731 09/08/2009 09/10/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present09/14/2009
COLI7320 09/08/2009 09/10/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI6708 09/03/2009 09/04/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present09/08/2009
COLI6490 07/15/2009 07/20/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present07/16/2009
COLI6455 07/09/2009 07/13/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present07/13/2009
COLI6455 07/09/2009 07/13/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present07/13/2009
COLI6455 07/09/2009 07/13/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present07/13/2009
COLI6309 06/04/2009 06/05/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present06/08/2009
COLI5819 10/29/2008 10/30/2008 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present11/03/2008
CHEM3079 07/10/2008 08/27/2008 LCR LEAD 90TH % VALUE 0.0214250.0155
COLI3662 10/16/2006 10/18/2006 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI3646 10/12/2006 10/13/2006 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI3150 06/21/2006 06/22/2006 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI2076 05/25/2005 06/07/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
03/07/1991A--WELL #1 (IN WASHINGTON STATE)Dichloromethane (Methylene Chloride)1.3 0.005
03/07/1991B--WELL #2 (IN WASHINGTON STATE)Dichloromethane (Methylene Chloride)5.4 0.005
03/07/1991C--WELL #3 (IN OREGON)Dichloromethane (Methylene Chloride)3.8 0.005
12/29/1994AA--WELL #1 (IN WASHINGTON STATE)Mercury0.0011 0.002
12/29/1994CA--WELL #3 (IN OREGON)Mercury0.0014 0.002


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
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 :: Post-wildfire VOCs
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 :: WS Name Look Up :: WS ID Look Up :: DWS Home