OHA Drinking Water Services

PWS ID: 00954 ---- WILSONVILLE, CITY OF
LRAAs and OELs

LRAA = Locational running annual average; OEL = Operational evaluation level. Learn about OELs here.
Averages are subject to change as new data is taken into consideration.

Monitoring
Period
Last
Sample
Sample
Point
Location
 
TTHM LRAA
MCL = 0.080
TTHM
OEL
HAA5 LRAA
MCL = 0.060
HAA5
OEL
1Q2021 Feb 10, 2021 2DBP-01 10295 SW RIDDER RD 0.016 0.015 0.004 0.003
1Q2021 Feb 10, 2021 2DBP-02 28187 SW MORGAN ST 0.018 0.016 0.003 0.003
1Q2021 Feb 10, 2021 2DBP-03 31090 SW WALLOWA CT 0.014 0.012 0.004 0.003
1Q2021 Feb 10, 2021 2DBP-04 29444 SW GLACIER WAY 0.012 0.010 0.003 0.003
 
4Q2020 Nov 04, 2020 2DBP-01 10295 SW RIDDER RD 0.017 0.018 0.005 0.005
4Q2020 Nov 04, 2020 2DBP-02 28187 SW MORGAN ST 0.019 0.023 0.004 0.004
4Q2020 Nov 04, 2020 2DBP-03 31090 SW WALLOWA CT 0.014 0.016 0.004 0.004
4Q2020 Nov 04, 2020 2DBP-04 29444 SW GLACIER WAY 0.013 0.014 0.005 0.004
 
3Q2020 Aug 19, 2020 2DBP-01 10295 SW RIDDER RD 0.015 0.018 0.005 0.005
3Q2020 Aug 19, 2020 2DBP-02 28187 SW MORGAN ST 0.018 0.019 0.004 0.004
3Q2020 Aug 19, 2020 2DBP-03 31090 SW WALLOWA CT 0.014 0.016 0.005 0.005
3Q2020 Aug 19, 2020 2DBP-04 29444 SW GLACIER WAY 0.012 0.014 0.005 0.005
 
2Q2020 May 12, 2020 2DBP-01 10295 SW RIDDER RD 0.013 0.012 0.005 0.005
2Q2020 May 12, 2020 2DBP-02 28187 SW MORGAN ST 0.018 0.014 0.004 0.004
2Q2020 May 12, 2020 2DBP-03 31090 SW WALLOWA CT 0.013 0.013 0.004 0.004
2Q2020 May 12, 2020 2DBP-04 29444 SW GLACIER WAY 0.012 0.011 0.005 0.005
 
1Q2020 Feb 12, 2020 2DBP-01 10295 SW RIDDER RD 0.014 0.015 0.005 0.005
1Q2020 Feb 12, 2020 2DBP-02 28187 SW MORGAN ST 0.018 0.016 0.005 0.004
1Q2020 Feb 12, 2020 2DBP-03 31090 SW WALLOWA CT 0.014 0.011 0.005 0.005
1Q2020 Feb 12, 2020 2DBP-04 29444 SW GLACIER WAY 0.014 0.011 0.005 0.004
 
4Q2019 Nov 07, 2019 2DBP-01 10295 SW RIDDER RD 0.013 0.012 0.005 0.005
4Q2019 Nov 07, 2019 2DBP-02 28187 SW MORGAN ST 0.021 0.021 0.006 0.005
4Q2019 Nov 07, 2019 2DBP-03 31090 SW WALLOWA CT 0.015 0.015 0.006 0.006
4Q2019 Nov 07, 2019 2DBP-04 29444 SW GLACIER WAY 0.014 0.014 0.005 0.005
 
3Q2019 Aug 14, 2019 2DBP-01 10295 SW RIDDER RD 0.013 0.015 0.006 0.006
3Q2019 Aug 14, 2019 2DBP-02 28187 SW MORGAN ST 0.019 0.022 0.006 0.006
3Q2019 Aug 14, 2019 2DBP-03 31090 SW WALLOWA CT 0.014 0.016 0.006 0.006
3Q2019 Aug 14, 2019 2DBP-04 29444 SW GLACIER WAY 0.013 0.015 0.006 0.005
 
2Q2019 May 15, 2019 2DBP-01 10295 SW RIDDER RD 0.012 0.012 0.005 0.006
2Q2019 May 15, 2019 2DBP-02 28187 SW MORGAN ST 0.019 0.015 0.006 0.006
2Q2019 May 15, 2019 2DBP-03 31090 SW WALLOWA CT 0.013 0.014 0.006 0.006
2Q2019 May 15, 2019 2DBP-04 29444 SW GLACIER WAY 0.012 0.014 0.005 0.006
 
1Q2019 Feb 12, 2019 2DBP-01 10295 SW RIDDER RD 0.011 0.012 0.005 0.005
1Q2019 Feb 12, 2019 2DBP-02 28187 SW MORGAN ST 0.017 0.021 0.006 0.008
1Q2019 Feb 12, 2019 2DBP-03 31090 SW WALLOWA CT 0.011 0.011 0.005 0.005
1Q2019 Feb 12, 2019 2DBP-04 29444 SW GLACIER WAY 0.010 0.010 0.005 0.005
 
4Q2018 Nov 13, 2018 2DBP-01 10295 SW RIDDER RD 0.009 0.010 0.004 0.005
4Q2018 Nov 13, 2018 2DBP-02 28187 SW MORGAN ST 0.013 0.015 0.004 0.005
4Q2018 Nov 13, 2018 2DBP-03 31090 SW WALLOWA CT 0.010 0.011 0.005 0.005
4Q2018 Nov 13, 2018 2DBP-04 29444 SW GLACIER WAY 0.009 0.010 0.004 0.004
 
3Q2018 Aug 15, 2018 2DBP-01 10295 SW RIDDER RD 0.009 0.010 0.004 0.004
3Q2018 Aug 15, 2018 2DBP-02 28187 SW MORGAN ST 0.013 0.017 0.004 0.004
3Q2018 Aug 15, 2018 2DBP-03 31090 SW WALLOWA CT 0.011 0.011 0.004 0.004
3Q2018 Aug 15, 2018 2DBP-04 29444 SW GLACIER WAY 0.009 0.010 0.004 0.004
 
2Q2018 May 15, 2018 2DBP-01 10295 SW RIDDER RD 0.008 0.007 0.004 0.004
2Q2018 May 15, 2018 2DBP-02 28187 SW MORGAN ST 0.011 0.008 0.004 0.004
2Q2018 May 15, 2018 2DBP-03 31090 SW WALLOWA CT 0.010 0.010 0.004 0.004
2Q2018 May 15, 2018 2DBP-04 29444 SW GLACIER WAY 0.008 0.008 0.004 0.004
 
1Q2018 Feb 20, 2018 2DBP-01 10295 SW RIDDER RD 0.010 0.007 0.006 0.004
1Q2018 Feb 20, 2018 2DBP-02 28187 SW MORGAN ST 0.013 0.010 0.006 0.004
1Q2018 Feb 20, 2018 2DBP-03 31090 SW WALLOWA CT 0.010 0.009 0.005 0.004
1Q2018 Feb 20, 2018 2DBP-04 29444 SW GLACIER WAY 0.009 0.007 0.004 0.004
 
4Q2017 Nov 07, 2017 2DBP-01 10295 SW RIDDER RD 0.012 0.011 0.006 0.005
4Q2017 Nov 07, 2017 2DBP-02 28187 SW MORGAN ST 0.015 0.015 0.007 0.006
4Q2017 Nov 07, 2017 2DBP-03 31090 SW WALLOWA CT 0.010 0.011 0.005 0.005
4Q2017 Nov 07, 2017 2DBP-04 29444 SW GLACIER WAY 0.009 0.010 0.005 0.005
 
3Q2017 Aug 08, 2017 2DBP-01 10295 SW RIDDER RD 0.014 0.012 0.007 0.007
3Q2017 Aug 08, 2017 2DBP-02 28187 SW MORGAN ST 0.017 0.018 0.007 0.007
3Q2017 Aug 08, 2017 2DBP-03 31090 SW WALLOWA CT 0.011 0.010 0.006 0.005
3Q2017 Aug 08, 2017 2DBP-04 29444 SW GLACIER WAY 0.010 0.009 0.005 0.005
 
2Q2017 May 03, 2017 2DBP-01 10295 SW RIDDER RD 0.015 0.015 0.007 0.008
2Q2017 May 03, 2017 2DBP-02 28187 SW MORGAN ST 0.018 0.015 0.007 0.009
2Q2017 May 03, 2017 2DBP-03 31090 SW WALLOWA CT 0.013 0.012 0.006 0.006
2Q2017 May 03, 2017 2DBP-04 29444 SW GLACIER WAY 0.012 0.010 0.006 0.006
 
1Q2017 Feb 07, 2017 2DBP-01 10295 SW RIDDER RD 0.015 0.015 0.006 0.007
1Q2017 Feb 07, 2017 2DBP-02 28187 SW MORGAN ST 0.019 0.018 0.005 0.006
1Q2017 Feb 07, 2017 2DBP-03 31090 SW WALLOWA CT 0.013 0.013 0.005 0.006
1Q2017 Feb 07, 2017 2DBP-04 29444 SW GLACIER WAY 0.012 0.011 0.005 0.006
 
4Q2016 Nov 03, 2016 2DBP-01 10295 SW RIDDER RD 0.015 0.016 0.005 0.005
4Q2016 Nov 03, 2016 2DBP-02 28187 SW MORGAN ST 0.020 0.020 0.005 0.005
4Q2016 Nov 03, 2016 2DBP-03 31090 SW WALLOWA CT 0.014 0.014 0.005 0.005
4Q2016 Nov 03, 2016 2DBP-04 29444 SW GLACIER WAY 0.013 0.013 0.005 0.006
 
3Q2016 Aug 10, 2016 2DBP-01 10295 SW RIDDER RD 0.016 0.015 0.005 0.005
3Q2016 Aug 10, 2016 2DBP-02 28187 SW MORGAN ST 0.021 0.023 0.005 0.004
3Q2016 Aug 10, 2016 2DBP-03 31090 SW WALLOWA CT 0.014 0.014 0.005 0.005
3Q2016 Aug 10, 2016 2DBP-04 29444 SW GLACIER WAY 0.014 0.014 0.005 0.005
 
2Q2016 May 03, 2016 2DBP-01 10295 SW RIDDER RD 0.015 0.015 0.004 0.005
2Q2016 May 03, 2016 2DBP-02 28187 SW MORGAN ST 0.020 0.018 0.004 0.004
2Q2016 May 03, 2016 2DBP-03 31090 SW WALLOWA CT 0.013 0.012 0.005 0.005
2Q2016 May 03, 2016 2DBP-04 29444 SW GLACIER WAY 0.013 0.012 0.009 0.005
 
1Q2016 Feb 03, 2016 2DBP-01 10295 SW RIDDER RD 0.014 0.015 0.004 0.005
1Q2016 Feb 03, 2016 2DBP-02 28187 SW MORGAN ST 0.018 0.020 0.004 0.005
1Q2016 Feb 03, 2016 2DBP-03 31090 SW WALLOWA CT 0.014 0.014 0.005 0.005
1Q2016 Feb 03, 2016 2DBP-04 29444 SW GLACIER WAY 0.013 0.013 0.009 0.010
 
4Q2015 Nov 03, 2015 2DBP-01 10295 SW RIDDER RD 0.013 0.016 0.003 0.003
4Q2015 Nov 03, 2015 2DBP-02 28187 SW MORGAN ST 0.016 0.019 0.002 0.004
4Q2015 Nov 03, 2015 2DBP-03 31090 SW WALLOWA CT 0.013 0.014 0.004 0.004
4Q2015 Nov 03, 2015 2DBP-04 29444 SW GLACIER WAY 0.012 0.014 0.008 0.009
 
3Q2015 Aug 04, 2015 2DBP-01 10295 SW RIDDER RD 0.012 0.011 0.003 0.002
3Q2015 Aug 04, 2015 2DBP-02 28187 SW MORGAN ST 0.013 0.017 0.002 0.002
3Q2015 Aug 04, 2015 2DBP-03 31090 SW WALLOWA CT 0.013 0.013 0.004 0.003
3Q2015 Aug 04, 2015 2DBP-04 29444 SW GLACIER WAY 0.012 0.011 0.009 0.012
 
2Q2015 May 06, 2015 2DBP-01 10295 SW RIDDER RD 0.013 0.011 0.004 0.003
2Q2015 May 06, 2015 2DBP-02 28187 SW MORGAN ST 0.012 0.010 0.003 0.002
2Q2015 May 06, 2015 2DBP-03 31090 SW WALLOWA CT 0.013 0.012 0.005 0.004
2Q2015 May 06, 2015 2DBP-04 29444 SW GLACIER WAY 0.013 0.012 0.005 0.004
 
1Q2015 Feb 03, 2015 2DBP-01 10295 SW RIDDER RD 0.013 0.013 0.005 0.005
1Q2015 Feb 03, 2015 2DBP-02 28187 SW MORGAN ST 0.012 0.012 0.004 0.004
1Q2015 Feb 03, 2015 2DBP-03 31090 SW WALLOWA CT 0.012 0.013 0.005 0.005
1Q2015 Feb 03, 2015 2DBP-04 29444 SW GLACIER WAY 0.013 0.013 0.005 0.005
 
4Q2014 Nov 05, 2014 2DBP-01 10295 SW RIDDER RD 0.013 0.014 0.005 0.006
4Q2014 Nov 05, 2014 2DBP-02 28187 SW MORGAN ST 0.012 0.012 0.005 0.005
4Q2014 Nov 05, 2014 2DBP-03 31090 SW WALLOWA CT 0.011 0.013 0.005 0.005
4Q2014 Nov 05, 2014 2DBP-04 29444 SW GLACIER WAY 0.012 0.014 0.005 0.006
 
3Q2014 Aug 11, 2014 2DBP-01 10295 SW RIDDER RD 0.012 0.014 0.004 0.006
3Q2014 Aug 11, 2014 2DBP-02 28187 SW MORGAN ST 0.011 0.014 0.004 0.006
3Q2014 Aug 11, 2014 2DBP-03 31090 SW WALLOWA CT 0.012 0.011 0.004 0.005
3Q2014 Aug 11, 2014 2DBP-04 29444 SW GLACIER WAY 0.010 0.013 0.003 0.005
 
2Q2014 May 07, 2014 2DBP-01 10295 SW RIDDER RD 0.007 0.009 0.002 0.003
2Q2014 May 07, 2014 2DBP-02 28187 SW MORGAN ST 0.007 0.009 0.002 0.003
2Q2014 May 07, 2014 2DBP-03 31090 SW WALLOWA CT 0.008 0.010 0.003 0.003
2Q2014 May 07, 2014 2DBP-04 29444 SW GLACIER WAY 0.005 0.007 0.002 0.002
 
1Q2014 Feb 04, 2014 2DBP-01 10295 SW RIDDER RD 0.005 0.002
1Q2014 Feb 04, 2014 2DBP-02 28187 SW MORGAN ST 0.004 0.001
1Q2014 Feb 04, 2014 2DBP-03 31090 SW WALLOWA CT 0.006 0.002
1Q2014 Feb 04, 2014 2DBP-04 29444 SW GLACIER WAY 0.003 0.001
 
4Q2013 Nov 06, 2013 2DBP-01 10295 SW RIDDER RD 0.003 0
4Q2013 Nov 06, 2013 2DBP-02 28187 SW MORGAN ST 0.002 0
4Q2013 Nov 06, 2013 2DBP-03 31090 SW WALLOWA CT 0.005 0.001
4Q2013 Nov 06, 2013 2DBP-04 29444 SW GLACIER WAY 0.002 0
 



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: 4377