OHA Drinking Water Services
PWS ID: 00187 ---- CLACKAMAS RIVER WATER - CLACKAMAS

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:  CHEM = Chemical, COLI = Coliform, LCR = Lead and copper 90th percentile, LCRE = Lead and copper corrosion control
Results:  19 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
LCRE26335 12/01/2019 01/14/2020 DIST-A DISTRIBUTION SYSTEM LCRE LCR EXCURSION1>0 01/15/2020
COLI19138 08/14/2019 08/16/2019 DIST-A 7609 SE Harmony Dr COLI COLIFORM, TOTAL (TCR) Present Present Present08/16/2019
LCRE24633 12/01/2018 01/04/2019 DIST-A DISTRIBUTION SYSTEM LCRE LCR EXCURSION1>0 01/08/2019
LCRE24247 07/01/2018 10/10/2018 DIST-A DISTRIBUTION SYSTEM LCRE LCR EXCURSION3>0 10/10/2018
LCRE22195 06/01/2017 07/06/2017 DIST-A DISTRIBUTION SYSTEM LCRE LCR EXCURSION2>0
LCRE19419 03/01/2016 04/11/2016 EP-A EP FOR WTP LCRE LCR EXCURSION1>0
LCRE17656 12/01/2014 01/21/2015 DIST-A DISTRIBUTION SYSTEM LCRE LCR EXCURSION1>0
LCRE16853 06/01/2014 07/02/2014 EP-A EP FOR WTP LCRE LCR EXCURSION1>0
LCRE16748 05/01/2014 06/03/2014 EP-A EP FOR WTP LCRE LCR EXCURSION1>0
COLI12473 12/04/2013 12/06/2013 DIST-A 8608 se 55th ave COLI COLIFORM, TOTAL (TCR) Present Present Present
LCRE16002 10/01/2013 11/08/2013 EP-A EP FOR WTP LCRE LCR EXCURSION3>0
LCRE14333 08/01/2012 09/04/2012 EP-A EP FOR WTP LCRE LCR EXCURSION1>0
LCRE13808 03/01/2012 04/05/2012 EP-A EP FOR WTP LCRE LCR EXCURSION1>0
CHEM5091 07/11/2011 10/11/2011 LCR LEAD 90TH % VALUE 0.0170.0155
CHEM4494 01/26/2010 10/27/2010 EP-A EP FOR WTP CHEM DIQUAT 0.0010.0004 0.02
COLI7660 05/10/2010 05/25/2010 DIST-A Station #8-RTE 2A COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI6734 08/05/2009 09/10/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI2112 06/08/2005 06/22/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM1617 01/28/2003 05/27/2005 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.2620.08 0.08


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
02/05/1997Coliform
07/17/1996Coliform
11/30/1994Coliform
10/05/1994Coliform
12/13/1993Coliform



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: 4544