OHA Drinking Water Services
OR41
PWS ID: 00613 ---- PENDLETON, 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 Feb 14, 2024 2DBP-01 AIRPORT BOOSTER 0.030 0.034 0.012 0.016
1Q2024 Feb 14, 2024 2DBP-02 MT HEBRON BOOSTER 0.025 0.023 0.015 0.015
1Q2024 Feb 14, 2024 2DBP-03 CEMETARY BOOSTER 0.029 0.024 0.014 0.011
1Q2024 Feb 14, 2024 2DBP-04 SUNSET SAMPLE STATION 0.027 0.026 0.012 0.013
4Q2023 Oct 16, 2023 2DBP-01 AIRPORT BOOSTER 0.031 0.030 0.012 0.004
4Q2023 Oct 16, 2023 2DBP-02 MT HEBRON BOOSTER 0.023 0.024 0.013 0.012
4Q2023 Oct 16, 2023 2DBP-03 CEMETARY BOOSTER 0.030 0.030 0.015 0.011
4Q2023 Oct 16, 2023 2DBP-04 SUNSET SAMPLE STATION 0.026 0.027 0.012 0.008
3Q2023 Jul 10, 2023 2DBP-01 AIRPORT BOOSTER 0.026 0.034 0.012 0.012
3Q2023 Jul 10, 2023 2DBP-02 MT HEBRON BOOSTER 0.023 0.031 0.014 0.017
3Q2023 Jul 10, 2023 2DBP-03 CEMETARY BOOSTER 0.030 0.034 0.016 0.016
3Q2023 Jul 10, 2023 2DBP-04 SUNSET SAMPLE STATION 0.026 0.030 0.013 0.012
2Q2023 Apr 10, 2023 2DBP-01 AIRPORT BOOSTER 0.028 0.020 0.012 0.015
2Q2023 Apr 10, 2023 2DBP-02 MT HEBRON BOOSTER 0.017 0.017 0.012 0.013
2Q2023 Apr 10, 2023 2DBP-03 CEMETARY BOOSTER 0.030 0.031 0.017 0.022
2Q2023 Apr 10, 2023 2DBP-04 SUNSET SAMPLE STATION 0.026 0.024 0.015 0.017
1Q2023 Jan 23, 2023 2DBP-01 AIRPORT BOOSTER 0.033 0.033 0.018 0.017
1Q2023 Jan 23, 2023 2DBP-02 MT HEBRON BOOSTER 0.015 0.014 0.011 0.010
1Q2023 Jan 23, 2023 2DBP-03 CEMETARY BOOSTER 0.025 0.025 0.016 0.015
1Q2023 Jan 23, 2023 2DBP-04 SUNSET SAMPLE STATION 0.024 0.025 0.016 0.015
4Q2022 Oct 03, 2022 2DBP-01 AIRPORT BOOSTER 0.029 0.028 0.015 0.013
4Q2022 Oct 03, 2022 2DBP-02 MT HEBRON BOOSTER 0.014 0.016 0.012 0.012
4Q2022 Oct 03, 2022 2DBP-03 CEMETARY BOOSTER 0.024 0.025 0.015 0.012
4Q2022 Oct 03, 2022 2DBP-04 SUNSET SAMPLE STATION 0.024 0.025 0.015 0.012
3Q2022 Jul 05, 2022 2DBP-01 AIRPORT BOOSTER 0.032 0.038 0.015 0.015
3Q2022 Jul 05, 2022 2DBP-02 MT HEBRON BOOSTER 0.014 0.017 0.009 0.012
3Q2022 Jul 05, 2022 2DBP-03 CEMETARY BOOSTER 0.024 0.028 0.013 0.016
3Q2022 Jul 05, 2022 2DBP-04 SUNSET SAMPLE STATION 0.025 0.028 0.014 0.017
2Q2022 Apr 04, 2022 2DBP-01 AIRPORT BOOSTER 0.028 0.028 0.014 0.023
2Q2022 Apr 04, 2022 2DBP-02 MT HEBRON BOOSTER 0.015 0.011 0.009 0.011
2Q2022 Apr 04, 2022 2DBP-03 CEMETARY BOOSTER 0.019 0.020 0.011 0.016
2Q2022 Apr 04, 2022 2DBP-04 SUNSET SAMPLE STATION 0.021 0.021 0.012 0.017
1Q2022 Jan 10, 2022 2DBP-01 AIRPORT BOOSTER 0.026 0.024 0.013 0.011
1Q2022 Jan 10, 2022 2DBP-02 MT HEBRON BOOSTER 0.015 0.014 0.008 0.008
1Q2022 Jan 10, 2022 2DBP-03 CEMETARY BOOSTER 0.023 0.018 0.010 0.010
1Q2022 Jan 10, 2022 2DBP-04 SUNSET SAMPLE STATION 0.025 0.021 0.012 0.011
4Q2021 Oct 04, 2021 2DBP-01 AIRPORT BOOSTER 0.029 0.028 0.014 0.008
4Q2021 Oct 04, 2021 2DBP-02 MT HEBRON BOOSTER 0.015 0.016 0.008 0.007
4Q2021 Oct 04, 2021 2DBP-03 CEMETARY BOOSTER 0.025 0.024 0.008 0.007
4Q2021 Oct 04, 2021 2DBP-04 SUNSET SAMPLE STATION 0.024 0.027 0.009 0.008
3Q2021 Aug 16, 2021 2DBP-01 AIRPORT BOOSTER 0.025 0.031 0.013 0.014
3Q2021 Aug 16, 2021 2DBP-02 MT HEBRON BOOSTER 0.017 0.020 0.010 0.010
3Q2021 Aug 16, 2021 2DBP-03 CEMETARY BOOSTER 0.026 0.025 0.009 0.008
3Q2021 Aug 16, 2021 2DBP-04 SUNSET SAMPLE STATION 0.023 0.023 0.010 0.009
2Q2021 Apr 05, 2021 2DBP-01 AIRPORT BOOSTER 0.027 0.024 0.013 0.020
2Q2021 Apr 05, 2021 2DBP-02 MT HEBRON BOOSTER 0.014 0.012 0.010 0.010
2Q2021 Apr 05, 2021 2DBP-03 CEMETARY BOOSTER 0.027 0.030 0.009 0.013
2Q2021 Apr 05, 2021 2DBP-04 SUNSET SAMPLE STATION 0.025 0.027 0.011 0.016
1Q2021 Jan 04, 2021 2DBP-01 AIRPORT BOOSTER 0.028 0.028 0.014 0.012
1Q2021 Jan 04, 2021 2DBP-02 MT HEBRON BOOSTER 0.015 0.014 0.010 0.010
1Q2021 Jan 04, 2021 2DBP-03 CEMETARY BOOSTER 0.024 0.024 0.012 0.007
1Q2021 Jan 04, 2021 2DBP-04 SUNSET SAMPLE STATION 0.020 0.019 0.009 0.007
4Q2020 Oct 05, 2020 2DBP-01 AIRPORT BOOSTER 0.026 0.023 0.012 0.011
4Q2020 Oct 05, 2020 2DBP-02 MT HEBRON BOOSTER 0.021 0.018 0.014 0.010
4Q2020 Oct 05, 2020 2DBP-03 CEMETARY BOOSTER 0.025 0.023 0.016 0.011
4Q2020 Oct 05, 2020 2DBP-04 SUNSET SAMPLE STATION 0.019 0.022 0.010 0.008
3Q2020 Jul 01, 2020 2DBP-01 AIRPORT BOOSTER 0.031 0.033 0.013 0.012
3Q2020 Jul 01, 2020 2DBP-02 MT HEBRON BOOSTER 0.021 0.021 0.016 0.014
3Q2020 Jul 01, 2020 2DBP-03 CEMETARY BOOSTER 0.024 0.026 0.017 0.016
3Q2020 Jul 01, 2020 2DBP-04 SUNSET SAMPLE STATION 0.020 0.021 0.012 0.010
2Q2020 Apr 06, 2020 2DBP-01 AIRPORT BOOSTER 0.031 0.028 0.014 0.021
2Q2020 Apr 06, 2020 2DBP-02 MT HEBRON BOOSTER 0.031 0.020 0.024 0.016
2Q2020 Apr 06, 2020 2DBP-03 CEMETARY BOOSTER 0.027 0.024 0.019 0.023
2Q2020 Apr 06, 2020 2DBP-04 SUNSET SAMPLE STATION 0.023 0.017 0.014 0.016
1Q2020 Jan 14, 2020 2DBP-01 AIRPORT BOOSTER 0.029 0.028 0.011 0.010
1Q2020 Jan 14, 2020 2DBP-02 MT HEBRON BOOSTER 0.029 0.036 0.022 0.027
1Q2020 Jan 14, 2020 2DBP-03 CEMETARY BOOSTER 0.023 0.030 0.013 0.018
1Q2020 Jan 14, 2020 2DBP-04 SUNSET SAMPLE STATION 0.021 0.021 0.011 0.012
4Q2019 Oct 07, 2019 2DBP-01 AIRPORT BOOSTER 0.025 0.032 0.009 0.008
4Q2019 Oct 07, 2019 2DBP-02 MT HEBRON BOOSTER 0.022 0.026 0.017 0.019
4Q2019 Oct 07, 2019 2DBP-03 CEMETARY BOOSTER 0.020 0.019 0.011 0.008
4Q2019 Oct 07, 2019 2DBP-04 SUNSET SAMPLE STATION 0.019 0.023 0.010 0.011
3Q2019 Jul 01, 2019 2DBP-01 AIRPORT BOOSTER 0.024 0.028 0.008 0.009
3Q2019 Jul 01, 2019 2DBP-02 MT HEBRON BOOSTER 0.022 0.031 0.018 0.024
3Q2019 Jul 01, 2019 2DBP-03 CEMETARY BOOSTER 0.019 0.024 0.012 0.012
3Q2019 Jul 01, 2019 2DBP-04 SUNSET SAMPLE STATION 0.020 0.024 0.011 0.010
2Q2019 Apr 08, 2019 2DBP-01 AIRPORT BOOSTER 0.022 0.019 0.007 0.012
2Q2019 Apr 08, 2019 2DBP-02 MT HEBRON BOOSTER 0.015 0.009 0.010 0.008
2Q2019 Apr 08, 2019 2DBP-03 CEMETARY BOOSTER 0.017 0.012 0.009 0.010
2Q2019 Apr 08, 2019 2DBP-04 SUNSET SAMPLE STATION 0.016 0.012 0.009 0.010
1Q2019 Jan 09, 2019 2DBP-01 AIRPORT BOOSTER 0.024 0.018 0.009 0.004
1Q2019 Jan 09, 2019 2DBP-02 MT HEBRON BOOSTER 0.015 0.014 0.012 0.010
1Q2019 Jan 09, 2019 2DBP-03 CEMETARY BOOSTER 0.019 0.021 0.013 0.012
1Q2019 Jan 09, 2019 2DBP-04 SUNSET SAMPLE STATION 0.018 0.015 0.011 0.009
4Q2018 Oct 15, 2018 2DBP-01 AIRPORT BOOSTER 0.034 0.030 0.017 0.009
4Q2018 Oct 15, 2018 2DBP-02 MT HEBRON BOOSTER 0.017 0.020 0.013 0.015
4Q2018 Oct 15, 2018 2DBP-03 CEMETARY BOOSTER 0.016 0.018 0.011 0.011
4Q2018 Oct 15, 2018 2DBP-04 SUNSET SAMPLE STATION 0.020 0.022 0.013 0.013
3Q2018 Jul 17, 2018 2DBP-01 AIRPORT BOOSTER 0.037 0.036 0.017 0.021
3Q2018 Jul 17, 2018 2DBP-02 MT HEBRON BOOSTER 0.018 0.019 0.015 0.011
3Q2018 Jul 17, 2018 2DBP-03 CEMETARY BOOSTER 0.023 0.019 0.014 0.009
3Q2018 Jul 18, 2018 2DBP-04 SUNSET SAMPLE STATION 0.023 0.020 0.012 0.010
2Q2018 Apr 16, 2018 2DBP-01 AIRPORT BOOSTER 0.038 0.036 0.017 0.024
2Q2018 Apr 16, 2018 2DBP-02 MT HEBRON BOOSTER 0.024 0.013 0.015 0.014
2Q2018 Apr 16, 2018 2DBP-03 CEMETARY BOOSTER 0.024 0.020 0.015 0.018
2Q2018 Apr 16, 2018 2DBP-04 SUNSET SAMPLE STATION 0.024 0.021 0.012 0.016
1Q2018 Jan 22, 2018 2DBP-01 AIRPORT BOOSTER 0.037 0.042 0.018 0.019
1Q2018 Jan 22, 2018 2DBP-02 MT HEBRON BOOSTER 0.027 0.024 0.020 0.015
1Q2018 Jan 22, 2018 2DBP-03 CEMETARY BOOSTER 0.028 0.023 0.020 0.013
1Q2018 Jan 22, 2018 2DBP-04 SUNSET SAMPLE STATION 0.027 0.025 0.016 0.011
4Q2017 Oct 17, 2017 2DBP-01 AIRPORT BOOSTER 0.031 0.036 0.013 0.009
4Q2017 Oct 17, 2017 2DBP-02 MT HEBRON BOOSTER 0.031 0.030 0.024 0.024
4Q2017 Oct 17, 2017 2DBP-03 CEMETARY BOOSTER 0.025 0.036 0.018 0.024
4Q2017 Oct 17, 2017 2DBP-04 SUNSET SAMPLE STATION 0.024 0.032 0.013 0.015
3Q2017 Jul 10, 2017 2DBP-01 AIRPORT BOOSTER 0.029 0.031 0.012 0.016
3Q2017 Jul 10, 2017 2DBP-02 MT HEBRON BOOSTER 0.032 0.037 0.023 0.020
3Q2017 Jul 10, 2017 2DBP-03 CEMETARY BOOSTER 0.023 0.023 0.015 0.013
3Q2017 Jul 10, 2017 2DBP-04 SUNSET SAMPLE STATION 0.024 0.022 0.013 0.011
2Q2017 Apr 10, 2017 2DBP-01 AIRPORT BOOSTER 0.031 0.025 0.013 0.020
2Q2017 Apr 10, 2017 2DBP-02 MT HEBRON BOOSTER 0.032 0.025 0.031 0.028
2Q2017 Apr 10, 2017 2DBP-03 CEMETARY BOOSTER 0.023 0.023 0.015 0.023
2Q2017 Apr 10, 2017 2DBP-04 SUNSET SAMPLE STATION 0.024 0.025 0.013 0.022
1Q2017 Jan 17, 2017 2DBP-01 AIRPORT BOOSTER 0.030 0.030 0.010 0.010
1Q2017 Jan 17, 2017 2DBP-02 MT HEBRON BOOSTER 0.031 0.033 0.029 0.029
1Q2017 Jan 17, 2017 2DBP-03 CEMETARY BOOSTER 0.019 0.016 0.010 0.006
1Q2017 Jan 17, 2017 2DBP-04 SUNSET SAMPLE STATION 0.020 0.018 0.010 0.005
4Q2016 Oct 10, 2016 2DBP-01 AIRPORT BOOSTER 0.034 0.033 0.012 0.006
4Q2016 Oct 10, 2016 2DBP-02 MT HEBRON BOOSTER 0.034 0.032 0.030 0.029
4Q2016 Oct 10, 2016 2DBP-03 CEMETARY BOOSTER 0.024 0.027 0.015 0.014
4Q2016 Oct 10, 2016 2DBP-04 SUNSET SAMPLE STATION 0.021 0.028 0.011 0.012
3Q2016 Jul 19, 2016 2DBP-01 AIRPORT BOOSTER 0.031 0.037 0.012 0.013
3Q2016 Jul 19, 2016 2DBP-02 MT HEBRON BOOSTER 0.029 0.039 0.026 0.035
3Q2016 Jul 19, 2016 2DBP-03 CEMETARY BOOSTER 0.021 0.023 0.012 0.013
3Q2016 Jul 19, 2016 2DBP-04 SUNSET SAMPLE STATION 0.019 0.019 0.008 0.008
2Q2016 Apr 26, 2016 2DBP-01 AIRPORT BOOSTER 0.028 0.025 0.012 0.016
2Q2016 Apr 26, 2016 2DBP-02 MT HEBRON BOOSTER 0.028 0.020 0.020 0.021
2Q2016 Apr 26, 2016 2DBP-03 CEMETARY BOOSTER 0.020 0.018 0.011 0.016
2Q2016 Apr 26, 2016 2DBP-04 SUNSET SAMPLE STATION 0.019 0.016 0.008 0.013
1Q2016 Jan 06, 2016 2DBP-01 AIRPORT BOOSTER 0.033 0.031 0.017 0.014
1Q2016 Jan 06, 2016 2DBP-02 MT HEBRON BOOSTER 0.033 0.033 0.022 0.022
1Q2016 Jan 06, 2016 2DBP-03 CEMETARY BOOSTER 0.025 0.023 0.012 0.010
1Q2016 Jan 06, 2016 2DBP-04 SUNSET SAMPLE STATION 0.025 0.017 0.010 0.004
4Q2015 Oct 14, 2015 2DBP-01 AIRPORT BOOSTER 0.026 0.029 0.012 0.013
4Q2015 Oct 14, 2015 2DBP-02 MT HEBRON BOOSTER 0.025 0.025 0.017 0.015
4Q2015 Oct 14, 2015 2DBP-03 CEMETARY BOOSTER 0.021 0.025 0.009 0.010
4Q2015 Oct 14, 2015 2DBP-04 SUNSET SAMPLE STATION 0.026 0.029 0.011 0.012
3Q2015 Jul 07, 2015 2DBP-01 AIRPORT BOOSTER 0.028 0.029 0.019 0.012
3Q2015 Jul 07, 2015 2DBP-02 MT HEBRON BOOSTER 0.028 0.034 0.021 0.021
3Q2015 Jul 07, 2015 2DBP-03 CEMETARY BOOSTER 0.022 0.022 0.014 0.009
3Q2015 Jul 07, 2015 2DBP-04 SUNSET SAMPLE STATION 0.028 0.026 0.016 0.012
2Q2015 Apr 20, 2015 2DBP-01 AIRPORT BOOSTER 0.028 0.031 0.018 0.028
2Q2015 Apr 20, 2015 2DBP-02 MT HEBRON BOOSTER 0.025 0.025 0.020 0.022
2Q2015 Apr 20, 2015 2DBP-03 CEMETARY BOOSTER 0.022 0.025 0.014 0.020
2Q2015 Apr 20, 2015 2DBP-04 SUNSET SAMPLE STATION 0.027 0.032 0.016 0.023
1Q2015 Jan 07, 2015 2DBP-01 AIRPORT BOOSTER 0.023 0.019 0.015 0.012
1Q2015 Jan 07, 2015 2DBP-02 MT HEBRON BOOSTER 0.025 0.018 0.021 0.015
1Q2015 Jan 07, 2015 2DBP-03 CEMETARY BOOSTER 0.021 0.015 0.014 0.009
1Q2015 Jan 07, 2015 2DBP-04 SUNSET SAMPLE STATION 0.023 0.019 0.013 0.010
4Q2014 Oct 28, 2014 2DBP-01 AIRPORT BOOSTER 0.029 0.029 0.019 0.018
4Q2014 Oct 28, 2014 2DBP-02 MT HEBRON BOOSTER 0.031 0.029 0.025 0.024
4Q2014 Oct 28, 2014 2DBP-03 CEMETARY BOOSTER 0.028 0.026 0.020 0.018
4Q2014 Oct 28, 2014 2DBP-04 SUNSET SAMPLE STATION 0.028 0.028 0.018 0.016
3Q2014 Jul 21, 2014 2DBP-01 AIRPORT BOOSTER 0.027 0.029 0.013 0.016
3Q2014 Jul 21, 2014 2DBP-02 MT HEBRON BOOSTER 0.031 0.034 0.024 0.025
3Q2014 Jul 21, 2014 2DBP-03 CEMETARY BOOSTER 0.028 0.027 0.019 0.016
3Q2014 Jul 21, 2014 2DBP-04 SUNSET SAMPLE STATION 0.026 0.025 0.018 0.014
2Q2014 Apr 09, 2014 2DBP-01 AIRPORT BOOSTER 0.019 0.025 0.013 0.019
2Q2014 Apr 09, 2014 2DBP-02 MT HEBRON BOOSTER 0.022 0.031 0.020 0.028
2Q2014 Apr 09, 2014 2DBP-03 CEMETARY BOOSTER 0.022 0.030 0.018 0.026
2Q2014 Apr 09, 2014 2DBP-04 SUNSET SAMPLE STATION 0.021 0.028 0.017 0.023
1Q2014 Jan 15, 2014 2DBP-01 AIRPORT BOOSTER 0.013 0.008
1Q2014 Jan 15, 2014 2DBP-02 MT HEBRON BOOSTER 0.014 0.011
1Q2014 Jan 15, 2014 2DBP-03 CEMETARY BOOSTER 0.015 0.011
1Q2014 Jan 15, 2014 2DBP-04 SUNSET SAMPLE STATION 0.015 0.012
4Q2013 Oct 15, 2013 2DBP-01 AIRPORT BOOSTER 0.005 0.001
4Q2013 Oct 15, 2013 2DBP-02 MT HEBRON BOOSTER 0.006 0.004
4Q2013 Oct 15, 2013 2DBP-03 CEMETARY BOOSTER 0.007 0.004
4Q2013 Oct 15, 2013 2DBP-04 SUNSET SAMPLE STATION 0.007 0.004
3Q2013 2DBP-03 CEMETARY BOOSTER 0.025 0.019
3Q2013 2DBP-04 SUNSET SAMPLE STATION 0.032 0.014
2Q2013 Apr 09, 2013 2DBP-03 CEMETARY BOOSTER 0.025 0.019
2Q2013 Apr 09, 2013 2DBP-04 SUNSET SAMPLE STATION 0.032 0.014
1Q2013 Jan 16, 2013 2DBP-03 CEMETARY BOOSTER 0.023 0.017
1Q2013 Jan 16, 2013 2DBP-04 SUNSET SAMPLE STATION 0.037 0.009
4Q2012 2DBP-03 CEMETARY BOOSTER
4Q2012 2DBP-04 SUNSET SAMPLE STATION
3Q2012 2DBP-03 CEMETARY BOOSTER
3Q2012 2DBP-04 SUNSET SAMPLE STATION
2Q2012 2DBP-03 CEMETARY BOOSTER
2Q2012 2DBP-04 SUNSET SAMPLE STATION



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