OHA Drinking Water Services
PWS ID: 00172 ---- CASCADE LOCKS, CITY OF

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:  13 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
COLI5855 11/06/2008 11/12/2008 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present11/10/2008
CHEM7383 10/24/2016 11/07/2016 LCR COPPER 90TH % VALUE 1.41.35 11/07/2016
CHEM6876 08/25/2015 09/18/2015 LCR COPPER 90TH % VALUE 1.51.35 09/25/2015
COLI6773 09/15/2009 09/16/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present09/17/2009
COLI11980 08/20/2013 08/21/2013 DIST-A 31 lewis sample station COLI COLIFORM, TOTAL (TCR) Present Present Present08/21/2013
CHEM8441 07/02/2019 08/07/2019 LCR COPPER 90TH % VALUE 1.41.35 07/18/2019
CHEM7158 05/04/2016 05/31/2016 LCR COPPER 90TH % VALUE 1.61.35 06/24/2016
COLI6260 05/07/2009 05/08/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present05/12/2009
COLI16608 03/14/2017 03/16/2017 DIST-A ruckel sample station COLI COLIFORM, TOTAL (TCR) Present Present Present03/15/2017
CHEM8855 01/07/2020 02/21/2020 LCR COPPER 90TH % VALUE 1.41.35 02/20/2020
CHEM9218 12/09/2020 01/13/2021 LCR COPPER 90TH % VALUE 1.41.35
CHEM7093 08/25/2015 03/30/2016 LCR COPPER 90TH % VALUE 1.51.35
COLI2014 05/05/2005 05/27/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
12/06/1999Coliform
12/01/1999Coliform
02/15/1996Coliform
01/04/1996Coliform



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: 3260