OHA Drinking Water Services
PWS ID: 00630 ---- ALDER CREEK BARLOW WATER DIST
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
2Q2023 2DBP-01 52650 E SYLVAN DR (TTHM)
2Q2023 2DBP-02 19815 E SUMMERTIME D (HAA5)
1Q2023 2DBP-01 52650 E SYLVAN DR (TTHM)
1Q2023 2DBP-02 19815 E SUMMERTIME D (HAA5)
4Q2022 2DBP-01 52650 E SYLVAN DR (TTHM)
4Q2022 2DBP-02 19815 E SUMMERTIME D (HAA5)
3Q2022 2DBP-01 52650 E SYLVAN DR (TTHM) 0.012 0.013
3Q2022 2DBP-02 19815 E SUMMERTIME D (HAA5) 0.018 0.029
2Q2022 2DBP-01 52650 E SYLVAN DR (TTHM) 0.012 0.013
2Q2022 2DBP-02 19815 E SUMMERTIME D (HAA5) 0.018 0.029
1Q2022 2DBP-01 52650 E SYLVAN DR (TTHM) 0.017 0.013
1Q2022 2DBP-02 19815 E SUMMERTIME D (HAA5) 0.018 0.020
4Q2021 Dec 14, 2021 2DBP-01 52650 E SYLVAN DR (TTHM) 0.017 0.015 0.013 0.013
4Q2021 Dec 14, 2021 2DBP-02 19815 E SUMMERTIME D (HAA5) 0.018 0.018 0.020 0.023
3Q2021 2DBP-01 52650 E SYLVAN DR (TTHM) 0.022
3Q2021 2DBP-02 19815 E SUMMERTIME D (HAA5) 0.011
2Q2021 Jun 28, 2021 2DBP-01 52650 E SYLVAN DR (TTHM) 0.022 0.022
2Q2021 Jun 28, 2021 2DBP-02 19815 E SUMMERTIME D (HAA5) 0.011 0.011
1Q2021 2DBP-01 52650 E SYLVAN DR (TTHM)
1Q2021 2DBP-02 19815 E SUMMERTIME D (HAA5)
4Q2020 2DBP-01 52650 E SYLVAN DR (TTHM) 0.046 0.051
4Q2020 2DBP-02 19815 E SUMMERTIME D (HAA5) 0.014 0.014
3Q2020 2DBP-01 52650 E SYLVAN DR (TTHM) 0.046 0.051
3Q2020 2DBP-02 19815 E SUMMERTIME D (HAA5) 0.014 0.014
2Q2020 2DBP-01 52650 E SYLVAN DR (TTHM) 0.046 0.051
2Q2020 2DBP-02 19815 E SUMMERTIME D (HAA5) 0.014 0.014
1Q2020 Mar 31, 2020 2DBP-01 52650 E SYLVAN DR (TTHM) 0.046 0.046 0.051 0.051
1Q2020 Mar 31, 2020 2DBP-02 19815 E SUMMERTIME D (HAA5) 0.014 0.014 0.014 0.014



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