OHA Drinking Water Services
OR41
PWS ID: 00550 ---- MYRTLE CREEK, 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
1Q2026 2DBP-01 SM-2 136 NW B STREET 0.033 0.021
1Q2026 2DBP-02 SM-3 SOUTH RESERVIOR 0.036 0.023
4Q2025 Nov 19, 2025 2DBP-01 SM-2 136 NW B STREET 0.030 0.031 0.025 0.027
4Q2025 Nov 19, 2025 2DBP-02 SM-3 SOUTH RESERVIOR 0.036 0.047 0.032 0.041
3Q2025 Aug 26, 2025 2DBP-01 SM-2 136 NW B STREET 0.035 0.035 0.023 0.022
3Q2025 Aug 12, 2025 2DBP-02 SM-3 SOUTH RESERVIOR 0.032 0.034 0.025 0.023
2Q2025 May 13, 2025 2DBP-01 SM-2 136 NW B STREET 0.030 0.027 0.022 0.022
2Q2025 May 13, 2025 2DBP-02 SM-3 SOUTH RESERVIOR 0.030 0.025 0.025 0.026
1Q2025 Feb 11, 2025 2DBP-01 SM-2 136 NW B STREET 0.029 0.032 0.021 0.024
1Q2025 Feb 27, 2025 2DBP-02 SM-3 SOUTH RESERVIOR 0.030 0.029 0.025 0.025
4Q2024 Nov 07, 2024 2DBP-01 SM-2 136 NW B STREET 0.027 0.036 0.018 0.022
4Q2024 Nov 07, 2024 2DBP-02 SM-3 SOUTH RESERVIOR 0.030 0.036 0.022 0.027
3Q2024 Aug 06, 2024 2DBP-01 SM-2 136 NW B STREET 0.028 0.021 0.023 0.016
3Q2024 Aug 06, 2024 2DBP-02 SM-3 SOUTH RESERVIOR 0.028 0.029 0.023 0.019
2Q2024 May 01, 2024 2DBP-01 SM-2 136 NW B STREET 0.028 0.024 0.026 0.023
2Q2024 May 01, 2024 2DBP-02 SM-3 SOUTH RESERVIOR 0.032 0.023 0.026 0.024
1Q2024 Feb 06, 2024 2DBP-01 SM-2 136 NW B STREET 0.028 0.028 0.027 0.025
1Q2024 Feb 06, 2024 2DBP-02 SM-3 SOUTH RESERVIOR 0.032 0.031 0.025 0.023
4Q2023 Nov 07, 2023 2DBP-01 SM-2 136 NW B STREET 0.026 0.038 0.026 0.036
4Q2023 Nov 07, 2023 2DBP-02 SM-3 SOUTH RESERVIOR 0.032 0.037 0.026 0.031
3Q2023 Aug 15, 2023 2DBP-01 SM-2 136 NW B STREET 0.017 0.020 0.019 0.021
3Q2023 Aug 15, 2023 2DBP-02 SM-3 SOUTH RESERVIOR 0.030 0.037 0.024 0.025
2Q2023 May 10, 2023 2DBP-01 SM-2 136 NW B STREET 0.013 0.013 0.020 0.017
2Q2023 May 10, 2023 2DBP-02 SM-3 SOUTH RESERVIOR 0.024 0.021 0.021 0.021
1Q2023 Feb 06, 2023 2DBP-01 SM-2 136 NW B STREET 0.014 0.012 0.023 0.016
1Q2023 Feb 06, 2023 2DBP-02 SM-3 SOUTH RESERVIOR 0.024 0.024 0.022 0.020
4Q2022 Dec 02, 2022 2DBP-01 SM-2 136 NW B STREET 0.016 0.017 0.028 0.026
4Q2022 Dec 02, 2022 2DBP-02 SM-3 SOUTH RESERVIOR 0.025 0.027 0.025 0.023
3Q2022 Aug 03, 2022 2DBP-01 SM-2 136 NW B STREET 0.017 0.016 0.030 0.031
3Q2022 Aug 03, 2022 2DBP-02 SM-3 SOUTH RESERVIOR 0.024 0.025 0.030 0.024
2Q2022 May 31, 2022 2DBP-01 SM-2 136 NW B STREET 0.016 0.017 0.024 0.030
2Q2022 May 31, 2022 2DBP-02 SM-3 SOUTH RESERVIOR 0.023 0.022 0.028 0.032
1Q2022 Jan 18, 2022 2DBP-01 SM-2 136 NW B STREET 0.016 0.015 0.020 0.024
1Q2022 Jan 18, 2022 2DBP-02 SM-3 SOUTH RESERVIOR 0.024 0.022 0.027 0.029
4Q2021 Nov 09, 2021 2DBP-01 SM-2 136 NW B STREET 0.016 0.017 0.017 0.019
4Q2021 Nov 09, 2021 2DBP-02 SM-3 SOUTH RESERVIOR 0.026 0.027 0.027 0.030
3Q2021 Aug 19, 2021 2DBP-01 SM-2 136 NW B STREET 0.014 0.015 0.013 0.013
3Q2021 Aug 19, 2021 2DBP-02 SM-3 SOUTH RESERVIOR 0.029 0.025 0.024 0.020
2Q2021 May 12, 2021 2DBP-01 SM-2 136 NW B STREET 0.016 0.017 0.014 0.015
2Q2021 May 12, 2021 2DBP-02 SM-3 SOUTH RESERVIOR 0.031 0.030 0.024 0.027
1Q2021 Mar 09, 2021 2DBP-01 SM-2 136 NW B STREET 0.014 0.015 0.014 0.015
1Q2021 Mar 09, 2021 2DBP-02 SM-3 SOUTH RESERVIOR 0.029 0.029 0.023 0.025
4Q2020 Dec 08, 2020 2DBP-01 SM-2 136 NW B STREET 0.017 0.013 0.015 0.010
4Q2020 Dec 08, 2020 2DBP-02 SM-3 SOUTH RESERVIOR 0.031 0.032 0.027 0.024
3Q2020 Sep 16, 2020 2DBP-01 SM-2 136 NW B STREET 0.019 0.019 0.018 0.017
3Q2020 Sep 16, 2020 2DBP-02 SM-3 SOUTH RESERVIOR 0.029 0.030 0.025 0.022
2Q2020 May 13, 2020 2DBP-01 SM-2 136 NW B STREET 0.027 0.017 0.019 0.018
2Q2020 May 13, 2020 2DBP-02 SM-3 SOUTH RESERVIOR 0.032 0.026 0.030 0.027
1Q2020 Feb 13, 2020 2DBP-01 SM-2 136 NW B STREET 0.028 0.030 0.021 0.021
1Q2020 Feb 13, 2020 2DBP-02 SM-3 SOUTH RESERVIOR 0.034 0.035 0.032 0.035
4Q2019 Oct 02, 2019 2DBP-01 SM-2 136 NW B STREET 0.024 0.025 0.020 0.019
4Q2019 Oct 02, 2019 2DBP-02 SM-3 SOUTH RESERVIOR 0.031 0.034 0.029 0.027
3Q2019 Aug 12, 2019 2DBP-01 SM-2 136 NW B STREET 0.027 0.033 0.023 0.020
3Q2019 Aug 12, 2019 2DBP-02 SM-3 SOUTH RESERVIOR 0.033 0.034 0.034 0.032
2Q2019 May 31, 2019 2DBP-01 SM-2 136 NW B STREET 0.026 0.019 0.026 0.024
2Q2019 May 31, 2019 2DBP-02 SM-3 SOUTH RESERVIOR 0.032 0.030 0.034 0.033
1Q2019 Feb 12, 2019 2DBP-01 SM-2 136 NW B STREET 0.029 0.025 0.029 0.026
1Q2019 Feb 12, 2019 2DBP-02 SM-3 SOUTH RESERVIOR 0.031 0.029 0.035 0.034
4Q2018 Nov 15, 2018 2DBP-01 SM-2 136 NW B STREET 0.033 0.033 0.031 0.032
4Q2018 Nov 15, 2018 2DBP-02 SM-3 SOUTH RESERVIOR 0.031 0.036 0.034 0.038
3Q2018 Aug 21, 2018 2DBP-01 SM-2 136 NW B STREET 0.033 0.037 0.031 0.032
3Q2018 Aug 21, 2018 2DBP-02 SM-3 SOUTH RESERVIOR 0.029 0.031 0.036 0.032
2Q2018 May 07, 2018 2DBP-01 SM-2 136 NW B STREET 0.025 0.030 0.026 0.031
2Q2018 May 07, 2018 2DBP-02 SM-3 SOUTH RESERVIOR 0.025 0.026 0.033 0.036
1Q2018 Jan 09, 2018 2DBP-01 SM-2 136 NW B STREET 0.019 0.024 0.020 0.025
1Q2018 Jan 09, 2018 2DBP-02 SM-3 SOUTH RESERVIOR 0.027 0.024 0.033 0.032
4Q2017 Nov 02, 2017 2DBP-01 SM-2 136 NW B STREET 0.018 0.020 0.019 0.020
4Q2017 Nov 02, 2017 2DBP-02 SM-3 SOUTH RESERVIOR 0.029 0.029 0.036 0.038
3Q2017 Aug 01, 2017 2DBP-01 SM-2 136 NW B STREET 0.023 0.013 0.024 0.016
3Q2017 Aug 01, 2017 2DBP-02 SM-3 SOUTH RESERVIOR 0.032 0.028 0.040 0.029
2Q2017 Apr 21, 2017 2DBP-01 SM-2 136 NW B STREET 0.024 0.023 0.023 0.022
2Q2017 Apr 21, 2017 2DBP-02 SM-3 SOUTH RESERVIOR 0.034 0.036 0.039 0.042
1Q2017 Feb 08, 2017 2DBP-01 SM-2 136 NW B STREET 0.028 0.028 0.027 0.027
1Q2017 Feb 08, 2017 2DBP-02 SM-3 SOUTH RESERVIOR 0.034 0.033 0.041 0.041
4Q2016 Dec 15, 2016 2DBP-01 SM-2 136 NW B STREET 0.029 0.035 0.029 0.032
4Q2016 Dec 15, 2016 2DBP-02 SM-3 SOUTH RESERVIOR 0.037 0.037 0.043 0.047
3Q2016 Aug 03, 2016 2DBP-01 SM-2 136 NW B STREET 0.025 0.020 0.029 0.020
3Q2016 Aug 03, 2016 2DBP-02 SM-3 SOUTH RESERVIOR 0.037 0.034 0.034 0.032
2Q2016 Apr 21, 2016 2DBP-01 SM-2 136 NW B STREET 0.032 0.028 0.029 0.032
2Q2016 Apr 21, 2016 2DBP-02 SM-3 SOUTH RESERVIOR 0.040 0.039 0.033 0.040
1Q2016 Feb 26, 2016 2DBP-01 SM-2 136 NW B STREET 0.028 0.032 0.026 0.031
1Q2016 Feb 26, 2016 2DBP-02 SM-3 SOUTH RESERVIOR 0.037 0.041 0.029 0.035
4Q2015 Nov 10, 2015 2DBP-01 SM-2 136 NW B STREET 0.027 0.029 0.026 0.029
4Q2015 Nov 10, 2015 2DBP-02 SM-3 SOUTH RESERVIOR 0.034 0.038 0.025 0.024
3Q2015 Sep 04, 2015 2DBP-01 SM-2 136 NW B STREET 0.026 0.030 0.020 0.018
3Q2015 Sep 04, 2015 2DBP-02 SM-3 SOUTH RESERVIOR 0.030 0.033 0.023 0.021
2Q2015 May 20, 2015 2DBP-01 SM-2 136 NW B STREET 0.012 0.015 0.016 0.020
2Q2015 May 20, 2015 2DBP-02 SM-3 SOUTH RESERVIOR 0.017 0.025 0.019 0.027
1Q2015 Mar 10, 2015 2DBP-01 SM-2 136 NW B STREET 0.009 0.011
1Q2015 Mar 10, 2015 2DBP-02 SM-3 SOUTH RESERVIOR 0.010 0.011
4Q2014 2DBP-01 SM-2 136 NW B STREET
4Q2014 2DBP-02 SM-3 SOUTH RESERVIOR