OHA Drinking Water Services
OR41
PWS ID: 00473 ---- LEBANON, 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.

TTHM MCL = 0.080 mg/L,  HAA5 MCL = 0.060 mg/L.  MCL exceedances are indicated with red text.

Monitoring
Period		 Last
Sample		 Sample
Point		 Location TTHM
LRAA		 TTHM
OEL		 HAA5
LRAA		 HAA5
OEL
1Q2024 Jan 30, 2024 2DBP-01 N. END 15TH STREET 0.019 0.020 0.015 0.017
4Q2023 Oct 03, 2023 2DBP-01 N. END 15TH STREET 0.022 0.019 0.018 0.014
3Q2023 Jul 11, 2023 2DBP-01 N. END 15TH STREET 0.024 0.024 0.020 0.020
2Q2023 Apr 11, 2023 2DBP-01 N. END 15TH STREET 0.027 0.022 0.021 0.017
1Q2023 Jan 24, 2023 2DBP-01 N. END 15TH STREET 0.032 0.032 0.024 0.027
4Q2022 Oct 18, 2022 2DBP-01 N. END 15TH STREET 0.032 0.031 0.022 0.021
3Q2022 Jul 19, 2022 2DBP-01 N. END 15TH STREET 0.033 0.034 0.021 0.023
2Q2022 Apr 19, 2022 2DBP-01 N. END 15TH STREET 0.030 0.031 0.019 0.021
1Q2022 Jan 18, 2022 2DBP-01 N. END 15TH STREET 0.030 0.030 0.018 0.020
4Q2021 Oct 19, 2021 2DBP-01 N. END 15TH STREET 0.026 0.030 0.016 0.017
3Q2021 Jul 06, 2021 2DBP-01 N. END 15TH STREET 0.031 0.025 0.019 0.016
2Q2021 Apr 20, 2021 2DBP-01 N. END 15TH STREET 0.036 0.032 0.020 0.019
1Q2021 Jan 19, 2021 2DBP-01 N. END 15TH STREET 0.038 0.033 0.022 0.019
4Q2020 Dec 17, 2020 2DBP-01 N. END 15TH STREET 0.044 0.046 0.026 0.026
3Q2020 Sep 22, 2020 2DBP-01 N. END 15TH STREET 0.044 0.043 0.026 0.024
2Q2020 Apr 21, 2020 2DBP-01 N. END 15TH STREET 0.044 0.042 0.026 0.028
1Q2020 Jan 21, 2020 2DBP-01 N. END 15TH STREET 0.043 0.045 0.025 0.027
4Q2019 Nov 19, 2019 2DBP-01 N. END 15TH STREET 0.045 0.045 0.025 0.024
3Q2019 Jul 23, 2019 2DBP-01 N. END 15TH STREET 0.039 0.043 0.023 0.024
2Q2019 Apr 16, 2019 2DBP-01 N. END 15TH STREET 0.031 0.037 0.019 0.023
1Q2019 Jan 14, 2019 2DBP-01 N. END 15TH STREET 0.030 0.035 0.018 0.022
4Q2018 Nov 06, 2018 2DBP-01 N. END 15TH STREET 0.028 0.024 0.013 0.015
3Q2018 Aug 07, 2018 2DBP-01 N. END 15TH STREET 0.027 0.024 0.011 0.010
2Q2018 Apr 17, 2018 2DBP-01 N. END 15TH STREET 0.028 0.031 0.012 0.013
1Q2018 Jan 16, 2018 2DBP-01 N. END 15TH STREET 0.031 0.032 0.013 0.012
4Q2017 Oct 16, 2017 2DBP-01 N. END 15TH STREET 0.027 0.025 0.015 0.013
3Q2017 Jul 18, 2017 2DBP-01 N. END 15TH STREET 0.032 0.026 0.017 0.015
2Q2017 Apr 04, 2017 2DBP-01 N. END 15TH STREET 0.033 0.038 0.019 0.017
1Q2017 Feb 07, 2017 2DBP-01 N. END 15TH STREET 0.030 0.029 0.019 0.021
4Q2016 Oct 18, 2016 2DBP-01 N. END 15TH STREET 0.029 0.033 0.018 0.019
3Q2016 Jul 18, 2016 2DBP-01 N. END 15TH STREET 0.025 0.025 0.015 0.017
2Q2016 Apr 05, 2016 2DBP-01 N. END 15TH STREET 0.026 0.026 0.014 0.014
1Q2016 Jan 19, 2016 2DBP-01 N. END 15TH STREET 0.025 0.024 0.013 0.014
4Q2015 Oct 06, 2015 2DBP-01 N. END 15TH STREET 0.025 0.025 0.013 0.012
3Q2015 Jul 06, 2015 2DBP-01 N. END 15TH STREET 0.025 0.027 0.013 0.014
2Q2015 Apr 06, 2015 2DBP-01 N. END 15TH STREET 0.025 0.026 0.014 0.014
1Q2015 Jan 06, 2015 2DBP-01 N. END 15TH STREET 0.023 0.024 0.015 0.015
4Q2014 Oct 13, 2014 2DBP-01 N. END 15TH STREET 0.022 0.023 0.016 0.014
3Q2014 Jul 07, 2014 2DBP-01 N. END 15TH STREET 0.024 0.022 0.018 0.017
2Q2014 Apr 08, 2014 2DBP-01 N. END 15TH STREET 0.018 0.024 0.014 0.018
1Q2014 Jan 14, 2014 2DBP-01 N. END 15TH STREET 0.012 0.009
4Q2013 Oct 08, 2013 2DBP-01 N. END 15TH STREET 0.008 0.005
3Q2014 Jul 07, 2014 2DBP-02 W. D STREET 0.013 0.012 0.009 0.008
2Q2014 Apr 08, 2014 2DBP-02 W. D STREET 0.009 0.013 0.007 0.009
1Q2014 Jan 14, 2014 2DBP-02 W. D STREET 0.006 0.005
4Q2013 Oct 08, 2013 2DBP-02 W. D STREET 0.004 0.003
1Q2024 Jan 30, 2024 2DBP-03 N MAIN & MARY 0.019 0.021 0.015 0.017
4Q2023 Oct 03, 2023 2DBP-03 N MAIN & MARY 0.022 0.019 0.019 0.014
3Q2023 Jul 11, 2023 2DBP-03 N MAIN & MARY 0.024 0.024 0.020 0.021
2Q2023 Apr 11, 2023 2DBP-03 N MAIN & MARY 0.027 0.021 0.020 0.017
1Q2023 Jan 24, 2023 2DBP-03 N MAIN & MARY 0.031 0.031 0.024 0.026
4Q2022 Oct 18, 2022 2DBP-03 N MAIN & MARY 0.028 0.031 0.019 0.021
3Q2022 Jul 19, 2022 2DBP-03 N MAIN & MARY 0.029 0.030 0.018 0.019
2Q2022 Apr 19, 2022 2DBP-03 N MAIN & MARY 0.025 0.027 0.017 0.019
1Q2022 Jan 18, 2022 2DBP-03 N MAIN & MARY 0.025 0.022 0.016 0.014
4Q2021 Oct 19, 2021 2DBP-03 N MAIN & MARY 0.025 0.029 0.017 0.017
3Q2021 Jul 06, 2021 2DBP-03 N MAIN & MARY 0.022 0.023 0.016 0.016
2Q2021 Apr 20, 2021 2DBP-03 N MAIN & MARY 0.021 0.023 0.016 0.017
1Q2021 Jan 19, 2021 2DBP-03 N MAIN & MARY 0.021 0.019 0.015 0.015
4Q2020 Dec 17, 2020 2DBP-03 N MAIN & MARY 0.022 0.022 0.016 0.015
3Q2020 Sep 22, 2020 2DBP-03 N MAIN & MARY 0.024 0.022 0.016 0.015
2Q2020 Apr 21, 2020 2DBP-03 N MAIN & MARY 0.028 0.025 0.018 0.017
1Q2020 Jan 21, 2020 2DBP-03 N MAIN & MARY 0.031 0.027 0.020 0.018
4Q2019 Nov 19, 2019 2DBP-03 N MAIN & MARY 0.037 0.032 0.023 0.021
3Q2019 Jul 23, 2019 2DBP-03 N MAIN & MARY 0.037 0.039 0.024 0.023
2Q2019 Apr 16, 2019 2DBP-03 N MAIN & MARY 0.029 0.038 0.019 0.026
1Q2019 Jan 02, 2019 2DBP-03 N MAIN & MARY 0.024 0.031 0.015 0.019
4Q2018 Nov 06, 2018 2DBP-03 N MAIN & MARY 0.015 0.020 0.011 0.015
3Q2018 Aug 07, 2018 2DBP-03 N MAIN & MARY 0.012 0.009 0.006 0.006
2Q2018 Apr 17, 2018 2DBP-03 N MAIN & MARY 0.013 0.014 0.008 0.009
1Q2018 Jan 16, 2018 2DBP-03 N MAIN & MARY 0.012 0.012 0.008 0.008
4Q2017 Oct 16, 2017 2DBP-03 N MAIN & MARY 0.013 0.012 0.009 0.008
3Q2017 Jul 18, 2017 2DBP-03 N MAIN & MARY 0.012 0.011 0.009 0.009
2Q2017 Apr 04, 2017 2DBP-03 N MAIN & MARY 0.012 0.012 0.010 0.009
1Q2017 Feb 07, 2017 2DBP-03 N MAIN & MARY 0.013 0.014 0.010 0.012
4Q2016 Oct 18, 2016 2DBP-03 N MAIN & MARY 0.011 0.012 0.009 0.010
3Q2016 Jul 18, 2016 2DBP-03 N MAIN & MARY 0.012 0.011 0.009 0.010
2Q2016 Apr 05, 2016 2DBP-03 N MAIN & MARY 0.014 0.012 0.008 0.008
1Q2016 Jan 19, 2016 2DBP-03 N MAIN & MARY 0.015 0.013 0.008 0.008
4Q2015 Oct 06, 2015 2DBP-03 N MAIN & MARY 0.016 0.016 0.009 0.008
3Q2015 Jul 06, 2015 2DBP-03 N MAIN & MARY 0.016 0.017 0.009 0.009
2Q2015 Apr 06, 2015 2DBP-03 N MAIN & MARY 0.015 0.015 0.009 0.009
1Q2015 Jan 05, 2015 2DBP-03 N MAIN & MARY 0.014 0.014 0.009 0.009
4Q2014 Oct 13, 2014 2DBP-03 N MAIN & MARY 0.013 0.013 0.009 0.009
3Q2014 Jul 07, 2014 2DBP-03 N MAIN & MARY 0.014 0.013 0.010 0.009
2Q2014 Apr 08, 2014 2DBP-03 N MAIN & MARY 0.010 0.013 0.007 0.010
1Q2014 Jan 14, 2014 2DBP-03 N MAIN & MARY 0.007 0.005
4Q2013 Oct 08, 2013 2DBP-03 N MAIN & MARY 0.004 0.003
3Q2014 Jul 07, 2014 2DBP-04 GROVE & MAPLE 0.014 0.012 0.009 0.009
2Q2014 Apr 08, 2014 2DBP-04 GROVE & MAPLE 0.010 0.013 0.007 0.010
1Q2014 Jan 14, 2014 2DBP-04 GROVE & MAPLE 0.008 0.005
4Q2013 Oct 08, 2013 2DBP-04 GROVE & MAPLE 0.005 0.003



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