OHA Drinking Water Services
OR41
PWS ID: 00707 ---- LAWSON ACRES WATER ASSOCIATION
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 12, 2024 2DBP-01 880 YOKUM RD 0.053 0.057 0.015 0.009
2Q2024 Jun 07, 2024 2DBP-01 880 YOKUM RD 0.043 0.052 0.013 0.020
1Q2024 Mar 07, 2024 2DBP-01 880 YOKUM RD 0.039 0.042 0.013 0.009
4Q2023 Dec 13, 2023 2DBP-01 880 YOKUM RD 0.035 0.036 0.024 0.020
3Q2023 Sep 07, 2023 2DBP-01 880 YOKUM RD 0.037 0.030 0.024 0.022
2Q2023 Jun 07, 2023 2DBP-01 880 YOKUM RD 0.045 0.042 0.026 0.030
1Q2023 Mar 27, 2023 2DBP-01 880 YOKUM RD 0.048 0.044 0.027 0.030
4Q2022 Dec 09, 2022 2DBP-01 880 YOKUM RD 0.050 0.051 0.028 0.024
3Q2022 Sep 07, 2022 2DBP-01 880 YOKUM RD 0.053 0.051 0.030 0.024
2Q2022 Jun 21, 2022 2DBP-01 880 YOKUM RD 0.055 0.054 0.033 0.036
1Q2022 Mar 18, 2022 2DBP-01 880 YOKUM RD 0.055 0.053 0.030 0.037
4Q2021 Dec 09, 2021 2DBP-01 880 YOKUM RD 0.054 0.059 0.030 0.028
3Q2021 Sep 07, 2021 2DBP-01 880 YOKUM RD 0.052 0.054 0.028 0.026
2Q2021 Jun 08, 2021 2DBP-01 880 YOKUM RD 0.049 0.049 0.029 0.029
1Q2021 Mar 11, 2021 2DBP-01 880 YOKUM RD 0.047 0.046 0.032 0.035
4Q2020 Dec 08, 2020 2DBP-01 880 YOKUM RD 0.044 0.031 0.028
3Q2020 Sep 08, 2020 2DBP-01 880 YOKUM RD 0.052 0.048 0.066 0.029
2Q2020 Jun 26, 2020 2DBP-01 880 YOKUM RD 0.054 0.051 0.060 0.068
1Q2020 Mar 23, 2020 2DBP-01 880 YOKUM RD 0.070 0.053 0.070 0.063
4Q2019 Dec 06, 2019 2DBP-01 880 YOKUM RD 0.076 0.077 0.063 0.101
3Q2019 Sep 24, 2019 2DBP-01 880 YOKUM RD 0.079 0.074 0.055 0.028
2Q2019 Jun 25, 2019 2DBP-01 880 YOKUM RD 0.078 0.091 0.056 0.072
1Q2019 Mar 27, 2019 2DBP-01 880 YOKUM RD 0.065 0.067 0.051 0.043
4Q2018 Dec 13, 2018 2DBP-01 880 YOKUM RD 0.065 0.069 0.063 0.081
3Q2018 Sep 27, 2018 2DBP-01 880 YOKUM RD 0.048 0.057 0.018 0.019
2Q2018 Jun 21, 2018 2DBP-01 880 YOKUM RD 0.051 0.048 0.025 0.033
1Q2018 2DBP-01 880 YOKUM RD 0.049 0.018
4Q2017 Nov 21, 2017 2DBP-01 880 YOKUM RD 0.049 0.045 0.024 0.018
3Q2017 Sep 22, 2017 2DBP-01 880 YOKUM RD 0.054 0.060 0.056
2Q2017 Jun 22, 2017 2DBP-01 880 YOKUM RD 0.058 0.049 0.068 0.051
1Q2017 Mar 30, 2017 2DBP-01 880 YOKUM RD 0.064 0.088 0.068
4Q2016 Dec 15, 2016 2DBP-01 880 YOKUM RD 0.064 0.060 0.104 0.102
3Q2016 Sep 27, 2016 2DBP-01 880 YOKUM RD 0.083 0.074 0.134 0.108
2Q2016 Apr 01, 2016 2DBP-01 880 YOKUM RD 0.090 0.081 0.126 0.136
1Q2016 2DBP-01 880 YOKUM RD 0.104 0.129
4Q2015 Dec 02, 2015 2DBP-01 880 YOKUM RD 0.097 0.105 0.119 0.142
3Q2015 Sep 23, 2015 2DBP-01 880 YOKUM RD 0.094 0.095 0.089 0.094
2Q2015 Jun 22, 2015 2DBP-01 880 YOKUM RD 0.107 0.098 0.086 0.099
1Q2015 Mar 16, 2015 2DBP-01 880 YOKUM RD 0.104 0.097 0.078 0.078
4Q2014 Nov 21, 2014 2DBP-01 880 YOKUM RD 0.114 0.108 0.074 0.072
3Q2014 Sep 02, 2014 2DBP-01 880 YOKUM RD 0.119 0.132 0.058 0.076
2Q2014 Apr 24, 2014 2DBP-01 880 YOKUM RD 0.070 0.104 0.034 0.063
1Q2014 2DBP-01 880 YOKUM RD 0.036 0.005
4Q2013 Nov 15, 2013 2DBP-01 880 YOKUM RD 0.027 0.004



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