OHA Drinking Water Services
PWS ID: 00657 ---- PORTLAND WATER BUREAU
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
BC96020-I 04/04/2023 06/09/2023 EP FOR BULL RUN EP-AND
BC85642-I 08/03/2022 09/09/2022 EP FOR GROUNDWATER PUMP STATION EP-B GWPS0.00105
BC75262-I 04/05/2022 05/09/2022 EP FOR BULL RUN EP-AND
BC60213-I 08/04/2021 09/09/2021 EP FOR GROUNDWATER PUMP STATION EP-B GWPS0.0008
BC53668-I 04/06/2021 06/09/2021 EP FOR BULL RUN EP-AND
BC41646-I 08/05/2020 10/09/2020 EP FOR GROUNDWATER PUMP STATION EP-B GWPS0.00092
BC38533-I 05/12/2020 07/09/2020 EP FOR BULL RUN EP-AND
BC25289-I 07/15/2019 09/10/2019 EP FOR GROUNDWATER PUMP STATION EP-B GWPS0.00093
BC21049-I 04/02/2019 05/09/2019 EP FOR BULL RUN EP-AND
BC04117-I 04/03/2018 05/09/2018 EP FOR BULL RUN EP-AND
BC03118-I 03/15/2018 05/09/2018 EP FOR GROUNDWATER PUMP STATION EP-B GWPSND
BB87017-I 04/04/2017 06/08/2017 EP FOR BULL RUN EP-AND
BB84114-I 02/22/2017 05/10/2017 EP FOR GROUNDWATER PUMP STATION EP-B GWPS0.00094
BB71221-I 07/27/2016 10/07/2016 EP FOR GROUNDWATER PUMP STATION EP-B GWPS0.00084
BB1496-I 04/05/2016 06/10/2016 EP FOR BULL RUN EP-AND
BB52444-I 06/17/2015 08/10/2015 EP FOR GROUNDWATER PUMP STATION EP-B GWPS0.00087
BB49816-I 03/31/2015 06/10/2015 EP FOR BULL RUN EP-AND
BB42035-I 07/08/2014 09/10/2014 EP FOR GROUNDWATER PUMP STATION EP-B GWPS0.00146
BB38036-I 04/08/2014 06/10/2014 EP FOR BULL RUN EP-AND
BB26971-I 04/09/2013 06/10/2013 EP FOR BULL RUN EP-AND
BB16085-I 04/10/2012 06/08/2012 EP FOR BULL RUN EP-AND
K1200717001-I 01/22/2012 06/08/2012 EP FOR GROUNDWATER PUMP STATION EP-B GWPSND
K1103204001-I 04/12/2011 06/09/2011 EP FOR BULL RUN EP-AND
K1100533001-I 01/18/2011 04/08/2011 EP FOR GROUNDWATER PUMP STATION EP-B GWPSND
K1008507001-I 08/11/2010 11/10/2010 EP FOR GROUNDWATER PUMP STATION EP-B GWPS0.0014
K1003546001-I 04/13/2010 06/10/2010 EP FOR BULL RUN EP-AND
K0911375006-I 08/10/2009 01/08/2010 EP FOR GROUNDWATER PUMP STATION EP-B GWPS0.0011
BA80231-I 03/31/2009 07/09/2009 EP FOR BULL RUN EP-AND
BA73841-I 08/19/2008 12/10/2008 EP FOR GROUNDWATER PUMP STATION EP-B GWPS0.002
2808210038-I 08/19/2008 12/10/2008 EP FOR GROUNDWATER PUMP STATION EP-B GWPSND
BA68581-I 04/01/2008 07/09/2008 EP FOR BULL RUN EP-AND
BA61844 08/06/2007 10/10/2007 EP FOR GROUNDWATER PUMP STATION EP-B GWPS0.003
BA58232 04/03/2007 07/10/2007 EP FOR BULL RUN EP-A0.001
BA55335 12/05/2006 02/09/2007 DISTRIBUTION SYSTEM DIST-A0.0025
BA48173 04/04/2006 07/10/2006 EP FOR BULL RUN EP-AND
BA44489I 11/15/2005 01/10/2006 EP FOR BULL RUN EP-AND
BA36964I 04/05/2005 06/10/2005 EP FOR BULL RUN EP-AND
BA24983I 12/01/2003 02/09/2004 EP FOR BULL RUN EP-AND
BA21368I 07/24/2003 10/06/2003 EP FOR GROUNDWATER PUMP STATION EP-B GWPS0.001
BA21365I 07/24/2003 10/09/2003 SAND&GRAVEL AQ (SGA) - WELL #1 SRC-BA0.002
BA21366I 07/24/2003 10/09/2003 TSA WELL #10 SRC-CCND
BA21367I 07/24/2003 10/06/2003 BLUE LAKE AQ (BLA) - WELL #12 SRC-DA0.001
BA15097I 12/04/2002 12/17/2003 EP FOR BULL RUN EP-AND
BA15097I 12/04/2002 12/31/2002 EP FOR BULL RUN EP-AND
1662I 04/09/2001 06/15/2001 EP FOR BULL RUN EP-AND
 

Archived Arsenic Samples
Sample ID Sample
Date		 Date
Received		 Source Name Source
ID		 Result
BA01283 10/09/2001 02/15/2002 SANDY RIVER MUDSTONE AQUIFER BND
2105020287 05/01/2001 07/23/2001 WELL #36 BLND
6980 12/04/2000 02/12/2001 EP FOR BULL RUN AND
2011220014 11/21/2000 07/23/2001 WELL #37 BMND
2011100185 11/09/2000 07/23/2001 WELL #35 BK0.0011
1917 03/29/1999 01/10/2000 EP FOR BULL RUN AND
1884 03/31/1998 07/09/1998 EP FOR BULL RUN AND
1771 04/01/1997 02/12/1998 EP FOR BULL RUN AND
1809 04/02/1996 06/10/1996 EP FOR BULL RUN AND
50609-6 06/07/1995 07/11/1995 EP FOR BULL RUN AND
2460 04/27/1995 03/21/1996 PARKROSE WELLS F0.002
2453 04/26/1995 03/20/1996 UPPER COLUMBIA AQUIFER E0.007
2138 04/13/1995 03/20/1996 SANDY RIVER MUDSTONE AQUIFER B0.002
2135 04/12/1995 03/20/1996 TROUTDALE SANDSTONE AQUIFER C0.002
1595 04/04/1995 07/11/1995 EP FOR BULL RUN AND
-1955832 04/07/1993 06/18/1993 EP FOR BULL RUN AND
-1955833 04/06/1993 06/18/1993 EP FOR BULL RUN AND
-1955834 12/01/1992 03/19/1993 EP FOR BULL RUN AND
-1955835 11/30/1992 03/19/1993 EP FOR BULL RUN AND
-1955836 12/03/1991 02/06/1992 EP FOR BULL RUN AND
-1955837 07/29/1991 12/16/1991 EP FOR BULL RUN AND
-1955838 02/01/1991 03/18/1991 EP FOR BULL RUN AND
-1955454 05/01/1990 01/07/1991 TROUTDALE SANDSTONE AQUIFER C0.003
-1955393 03/01/1990 01/07/1991 BLUE LAKE AQUIFER D0.001
-1955839 12/04/1989 03/01/1990 EP FOR BULL RUN AND
-1955547 09/01/1989 01/07/1991 SANDY RIVER MUDSTONE AQUIFER B0.004
-1955840 04/11/1989 05/15/1989 EP FOR BULL RUN AND
-1955841 04/12/1988 07/21/1988 EP FOR BULL RUN AND
-1955548 10/12/1987 03/14/1988 SANDY RIVER MUDSTONE AQUIFER BND
-1955455 10/12/1987 03/14/1988 TROUTDALE SANDSTONE AQUIFER CND
-1955394 10/12/1987 03/14/1988 BLUE LAKE AQUIFER DND
-1955842 06/09/1987 11/12/1987 EP FOR BULL RUN A0.005
-1955843 08/05/1986 11/03/1986 EP FOR BULL RUN AND
 



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