OHA Drinking Water Services
PWS ID: 00187 ---- CLACKAMAS RIVER WATER - CLACKAMAS
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
002803001-I 01/28/2020 04/14/2020 EP FOR WTP EP-AND
902201001-I 01/22/2019 03/05/2019 EP FOR WTP EP-AND
802301101-I 01/23/2018 03/07/2018 EP FOR WTP EP-AND
702405101-I 01/24/2017 03/10/2017 EP FOR WTP EP-AND
602602201-I 01/26/2016 06/16/2016 EP FOR WTP EP-AND
502702001-I 01/27/2015 07/13/2015 EP FOR WTP EP-AND
402802501-I 01/28/2014 09/05/2014 EP FOR WTP EP-AND
303601901-I 02/05/2013 04/11/2013 EP FOR WTP EP-AND
203101901-I 01/31/2012 04/02/2012 EP FOR WTP EP-AND
10125332-I 01/25/2011 03/28/2011 EP FOR WTP EP-AND
1002613-I 01/26/2010 10/20/2010 EP FOR WTP EP-AND
0902712-I 01/27/2009 12/09/2009 EP FOR WTP EP-AND
0802319-I 01/23/2008 04/08/2008 EP FOR WTP EP-AND
0702357-I 01/23/2007 04/08/2008 EP FOR WTP EP-AND
0602406 01/24/2006 10/23/2006 EP FOR WTP EP-AND
05026/34I 01/26/2005 03/24/2005 EP FOR WTP EP-AND
04027/30I 01/27/2004 07/20/2004 EP FOR WTP EP-AND
03029/43I 01/28/2003 06/02/2004 EP FOR WTP EP-AND
02084/04I 03/25/2002 04/04/2003 EP FOR WTP EP-AND
 

Archived Arsenic Samples
Sample ID Sample
Date
Date
Received
Source Name Source
ID
Result
2103010070 02/27/2001 04/27/2001 EP FOR WTP AND
2103010071 02/27/2001 04/27/2001 CLACKAMAS RIVER AAND
960325S*A 03/25/1996 04/10/1996 EP FOR WTP AND
950327N*A 03/27/1995 06/07/1995 EP FOR WTP AND
940413A*A 04/13/1994 06/06/1994 EP FOR WTP AND
931227U*A 12/27/1993 02/18/1994 EP FOR WTP AND
930927AL*A 09/27/1993 12/15/1993 EP FOR WTP AND
930524P*A 05/24/1993 10/13/1993 EP FOR WTP AND
15951 03/03/1993 10/13/1993 EP FOR WTP AND
-1988036 01/20/1992 03/10/1992 EP FOR WTP AND
-1988037 01/11/1991 02/01/1991 EP FOR WTP AND
-1988038 01/15/1990 02/14/1990 EP FOR WTP AND
-1988039 01/17/1989 02/24/1989 EP FOR WTP AND
-1988040 01/25/1988 02/11/1988 EP FOR WTP AND
-1988041 01/26/1987 02/17/1987 EP FOR WTP AND
 




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