OHA Drinking Water Services
OR41
PWS ID: 01174 ---- BUELL-RED PRAIRIE WD
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
3Q2024 Sep 25, 2024 2DBP-01 BLANCHARD 0.028 0.038
3Q2024 Sep 25, 2024 2DBP-02 HARMONY 0.010 0.005
2Q2024 2DBP-01 BLANCHARD 0.016
2Q2024 2DBP-02 HARMONY 0.015
1Q2024 Feb 26, 2024 2DBP-01 BLANCHARD 0.017 0.015
1Q2024 Feb 26, 2024 2DBP-02 HARMONY 0.015 0.014
4Q2023 Nov 27, 2023 2DBP-01 BLANCHARD 0.019 0.019
4Q2023 Nov 27, 2023 2DBP-02 HARMONY 0.016 0.017
3Q2023 2DBP-01 BLANCHARD 0.028
3Q2023 2DBP-02 HARMONY 0.014
2Q2023 Apr 19, 2023 2DBP-01 BLANCHARD 0.028 0.025
2Q2023 Apr 19, 2023 2DBP-02 HARMONY 0.014 0.014
1Q2023 2DBP-01 BLANCHARD 0.028
1Q2023 2DBP-02 HARMONY 0.015
4Q2022 Dec 12, 2022 2DBP-01 BLANCHARD 0.028 0.031
4Q2022 Dec 12, 2022 2DBP-02 HARMONY 0.015 0.015
3Q2022 2DBP-01 BLANCHARD 0.020
3Q2022 2DBP-02 HARMONY 0.016
2Q2022 Jun 07, 2022 2DBP-01 BLANCHARD 0.043 0.020
2Q2022 Jun 07, 2022 2DBP-02 HARMONY 0.018 0.016
1Q2022 2DBP-01 BLANCHARD 0.051
1Q2022 2DBP-02 HARMONY 0.024
4Q2021 2DBP-01 BLANCHARD 0.039
4Q2021 2DBP-02 HARMONY 0.021
3Q2021 Aug 31, 2021 2DBP-01 BLANCHARD 0.037 0.046
3Q2021 Aug 31, 2021 2DBP-02 HARMONY 0.022 0.021
2Q2021 May 25, 2021 2DBP-01 BLANCHARD 0.030 0.029
2Q2021 May 25, 2021 2DBP-02 HARMONY 0.025 0.024
1Q2021 Mar 17, 2021 2DBP-01 BLANCHARD 0.029 0.026
1Q2021 Mar 17, 2021 2DBP-02 HARMONY 0.023 0.021
4Q2020 Dec 07, 2020 2DBP-01 BLANCHARD 0.029 0.033
4Q2020 Dec 07, 2020 2DBP-02 HARMONY 0.022 0.027
3Q2020 Aug 03, 2020 2DBP-01 BLANCHARD 0.029 0.031
3Q2020 Aug 03, 2020 2DBP-02 HARMONY 0.019 0.023
2Q2020 2DBP-01 BLANCHARD 0.039
2Q2020 2DBP-02 HARMONY 0.020
1Q2020 Feb 19, 2020 2DBP-01 BLANCHARD 0.037 0.033
1Q2020 Feb 19, 2020 2DBP-02 HARMONY 0.019 0.017
4Q2019 Nov 18, 2019 2DBP-01 BLANCHARD 0.037 0.041
4Q2019 Nov 18, 2019 2DBP-02 HARMONY 0.019 0.021
3Q2019 Aug 20, 2019 2DBP-01 BLANCHARD 0.037 0.047
3Q2019 Aug 20, 2019 2DBP-02 HARMONY 0.019 0.022
2Q2019 Jun 04, 2019 2DBP-01 BLANCHARD 0.027 0.028
2Q2019 Jun 04, 2019 2DBP-02 HARMONY 0.012 0.016
1Q2019 Mar 06, 2019 2DBP-01 BLANCHARD 0.022 0.023
1Q2019 Mar 06, 2019 2DBP-02 HARMONY 0.013 0.010
4Q2018 Dec 10, 2018 2DBP-01 BLANCHARD 0.021 0.026
4Q2018 Dec 10, 2018 2DBP-02 HARMONY 0.013 0.014
3Q2018 Aug 26, 2018 2DBP-01 BLANCHARD 0.018 0.020
3Q2018 Aug 26, 2018 2DBP-02 HARMONY 0.011 0.010
2Q2018 Apr 23, 2018 2DBP-01 BLANCHARD 0.026 0.014
2Q2018 May 21, 2018 2DBP-02 HARMONY 0.018 0.015
1Q2018 Mar 12, 2018 2DBP-01 BLANCHARD 0.027 0.025
1Q2018 Mar 12, 2018 2DBP-02 HARMONY 0.016 0.015
4Q2017 Nov 28, 2017 2DBP-01 BLANCHARD 0.032 0.029
4Q2017 Nov 28, 2017 2DBP-02 HARMONY 0.018 0.016
3Q2017 Aug 28, 2017 2DBP-01 BLANCHARD 0.029 0.046
3Q2017 Aug 28, 2017 2DBP-02 HARMONY 0.018 0.026
2Q2017 May 23, 2017 2DBP-01 BLANCHARD 0.024 0.014
2Q2017 May 23, 2017 2DBP-02 HARMONY 0.019 0.011
1Q2017 2DBP-01 BLANCHARD 0.028
1Q2017 2DBP-02 HARMONY 0.023
4Q2016 Dec 14, 2016 2DBP-01 BLANCHARD 0.023 0.024
4Q2016 Dec 14, 2016 2DBP-02 HARMONY 0.019 0.019
3Q2016 Aug 23, 2016 2DBP-01 BLANCHARD 0.026 0.032
3Q2016 Aug 23, 2016 2DBP-02 HARMONY 0.019 0.026
2Q2016 May 31, 2016 2DBP-01 BLANCHARD 0.028 0.021
2Q2016 May 31, 2016 2DBP-02 HARMONY 0.017 0.016
1Q2016 Feb 24, 2016 2DBP-01 BLANCHARD 0.028 0.023
1Q2016 Feb 24, 2016 2DBP-02 HARMONY 0.016 0.012
4Q2015 Nov 18, 2015 2DBP-01 BLANCHARD 0.033 0.031
4Q2015 Nov 18, 2015 2DBP-02 HARMONY 0.017 0.016
3Q2015 Jul 14, 2015 2DBP-01 BLANCHARD 0.035 0.041
3Q2015 Jul 14, 2015 2DBP-02 HARMONY 0.020 0.023
2Q2015 Jun 08, 2015 2DBP-01 BLANCHARD 0.034 0.029
2Q2015 Jun 08, 2015 2DBP-02 HARMONY 0.019 0.019
1Q2015 Mar 30, 2015 2DBP-01 BLANCHARD 0.038 0.033
1Q2015 Mar 20, 2015 2DBP-02 HARMONY 0.023 0.017
4Q2014 Dec 12, 2014 2DBP-01 BLANCHARD 0.036 0.039
4Q2014 Dec 12, 2014 2DBP-02 HARMONY 0.023 0.025
3Q2014 Sep 03, 2014 2DBP-01 BLANCHARD 0.039 0.041
3Q2014 Sep 03, 2014 2DBP-02 HARMONY 0.025 0.024
2Q2014 May 13, 2014 2DBP-01 BLANCHARD 0.027 0.039
2Q2014 May 13, 2014 2DBP-02 HARMONY 0.019 0.029
1Q2014 Feb 03, 2014 2DBP-01 BLANCHARD 0.015
1Q2014 Feb 03, 2014 2DBP-02 HARMONY 0.010
4Q2013 Nov 20, 2013 2DBP-01 BLANCHARD 0.011
4Q2013 Nov 20, 2013 2DBP-02 HARMONY 0.006



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