OHA Drinking Water Services
OR41
PWS ID: 01533 ---- CITY OF MILLERSBURG
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 Jan 14, 2026 2DBP-01 3075 KATHRYN STREET 0.040 0.044 0.019 0.021
1Q2026 Jan 14, 2026 2DBP-02 4222 OLD SALEM ROAD 0.028 0.028 0.018 0.019
4Q2025 Oct 15, 2025 2DBP-01 3075 KATHRYN STREET 0.043 0.036 0.021 0.016
4Q2025 Oct 15, 2025 2DBP-02 4222 OLD SALEM ROAD 0.030 0.027 0.020 0.016
3Q2025 Jul 10, 2025 2DBP-01 3075 KATHRYN STREET 0.040 0.041 0.021 0.022
3Q2025 Jul 10, 2025 2DBP-02 4222 OLD SALEM ROAD 0.030 0.027 0.020 0.018
2Q2025 Apr 01, 2025 2DBP-01 3075 KATHRYN STREET 0.042 0.041 0.023 0.023
2Q2025 Apr 01, 2025 2DBP-02 4222 OLD SALEM ROAD 0.035 0.034 0.023 0.022
1Q2025 Jan 09, 2025 2DBP-01 3075 KATHRYN STREET 0.041 0.049 0.023 0.026
1Q2025 Jan 09, 2025 2DBP-02 4222 OLD SALEM ROAD 0.034 0.036 0.024 0.026
4Q2024 Oct 01, 2024 2DBP-01 3075 KATHRYN STREET 0.040 0.032 0.022 0.017
4Q2024 Oct 01, 2024 2DBP-02 4222 OLD SALEM ROAD 0.034 0.030 0.024 0.020
3Q2024 Jul 11, 2024 2DBP-01 3075 KATHRYN STREET 0.042 0.043 0.022 0.024
3Q2024 Jul 11, 2024 2DBP-02 4222 OLD SALEM ROAD 0.036 0.037 0.024 0.026
2Q2024 May 03, 2024 2DBP-01 3075 KATHRYN STREET 0.051 0.041 0.019 0.022
2Q2024 May 03, 2024 2DBP-02 4222 OLD SALEM ROAD 0.037 0.034 0.021 0.024
1Q2024 Jan 08, 2024 2DBP-01 3075 KATHRYN STREET 0.060 0.056 0.021 0.021
1Q2024 Jan 08, 2024 2DBP-02 4222 OLD SALEM ROAD 0.045 0.040 0.024 0.024
4Q2023 Oct 03, 2023 2DBP-01 3075 KATHRYN STREET 0.061 0.055 0.024 0.016
4Q2023 Oct 03, 2023 2DBP-02 4222 OLD SALEM ROAD 0.046 0.043 0.025 0.021
3Q2023 Jul 10, 2023 2DBP-01 3075 KATHRYN STREET 0.070 0.071 0.026 0.023
3Q2023 Jul 10, 2023 2DBP-02 4222 OLD SALEM ROAD 0.047 0.048 0.025 0.024
2Q2023 Apr 04, 2023 2DBP-01 3075 KATHRYN STREET 0.064 0.070 0.029 0.031
2Q2023 Apr 04, 2023 2DBP-02 4222 OLD SALEM ROAD 0.049 0.052 0.027 0.031
1Q2023 Jan 05, 2023 2DBP-01 3075 KATHRYN STREET 0.059 0.061 0.025 0.032
1Q2023 Jan 05, 2023 2DBP-02 4222 OLD SALEM ROAD 0.047 0.046 0.027 0.027
4Q2022 Oct 05, 2022 2DBP-01 3075 KATHRYN STREET 0.063 0.062 0.019 0.018
4Q2022 Oct 05, 2022 2DBP-02 4222 OLD SALEM ROAD 0.041 0.045 0.023 0.023
3Q2022 Jul 08, 2022 2DBP-01 3075 KATHRYN STREET 0.059 0.059 0.019 0.020
3Q2022 Jul 08, 2022 2DBP-02 4222 OLD SALEM ROAD 0.042 0.043 0.024 0.023
2Q2022 Apr 11, 2022 2DBP-01 3075 KATHRYN STREET 0.065 0.059 0.018 0.017
2Q2022 Apr 11, 2022 2DBP-02 4222 OLD SALEM ROAD 0.042 0.044 0.025 0.027
1Q2022 Jan 05, 2022 2DBP-01 3075 KATHRYN STREET 0.062 0.071 0.018 0.020
1Q2022 Jan 05, 2022 2DBP-02 4222 OLD SALEM ROAD 0.035 0.035 0.022 0.021
4Q2021 Oct 01, 2021 2DBP-01 3075 KATHRYN STREET 0.054 0.057 0.017 0.017
4Q2021 Oct 01, 2021 2DBP-02 4222 OLD SALEM ROAD 0.037 0.040 0.026 0.024
3Q2021 Jul 07, 2021 2DBP-01 3075 KATHRYN STREET 0.048 0.060 0.016 0.017
3Q2021 Jul 07, 2021 2DBP-02 4222 OLD SALEM ROAD 0.033 0.038 0.024 0.026
2Q2021 Apr 01, 2021 2DBP-01 3075 KATHRYN STREET 0.039 0.039 0.015 0.015
2Q2021 Apr 01, 2021 2DBP-02 4222 OLD SALEM ROAD 0.029 0.029 0.022 0.023
1Q2021 Jan 07, 2021 2DBP-01 3075 KATHRYN STREET 0.039 0.040 0.014 0.015
1Q2021 Jan 07, 2021 2DBP-02 4222 OLD SALEM ROAD 0.032 0.031 0.021 0.025
4Q2020 Oct 09, 2020 2DBP-01 3075 KATHRYN STREET 0.038 0.036 0.014 0.014
4Q2020 Oct 09, 2020 2DBP-02 4222 OLD SALEM ROAD 0.032 0.031 0.017 0.017
3Q2020 Jul 07, 2020 2DBP-01 3075 KATHRYN STREET 0.041 0.041 0.014 0.014
3Q2020 Jul 07, 2020 2DBP-02 4222 OLD SALEM ROAD 0.033 0.032 0.016 0.016
2Q2020 Apr 15, 2020 2DBP-01 3075 KATHRYN STREET 0.041 0.041 0.014 0.014
2Q2020 Apr 15, 2020 2DBP-02 4222 OLD SALEM ROAD 0.036 0.036 0.017 0.017