OHA Drinking Water Services
OR41
PWS ID: 00717 ---- GREEN AREA WATER & SANITARY AUTHORITY
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
3Q2022 Jul 28, 2022 2DBP-01 SM-3 - SPEEDWAY RD 0.026 0.031 0.021 0.018
3Q2022 Jul 28, 2022 2DBP-02 SM-2 - BAILEY DR 0.026 0.027 0.025 0.023
2Q2022 Apr 27, 2022 2DBP-01 SM-3 - SPEEDWAY RD 0.039 0.015 0.023 0.019
2Q2022 Apr 27, 2022 2DBP-02 SM-2 - BAILEY DR 0.039 0.017 0.028 0.023
1Q2022 Jan 27, 2022 2DBP-01 SM-3 - SPEEDWAY RD 0.046 0.040 0.023 0.023
1Q2022 Jan 27, 2022 2DBP-02 SM-2 - BAILEY DR 0.041 0.041 0.026 0.030
4Q2021 Oct 20, 2021 2DBP-01 SM-3 - SPEEDWAY RD 0.056 0.051 0.038 0.027
4Q2021 Oct 20, 2021 2DBP-02 SM-2 - BAILEY DR 0.046 0.046 0.036 0.029
3Q2021 Jul 21, 2021 2DBP-01 SM-3 - SPEEDWAY RD 0.065 0.075 0.039 0.037
3Q2021 Jul 21, 2021 2DBP-02 SM-2 - BAILEY DR 0.055 0.061 0.040 0.037
2Q2021 Apr 09, 2021 2DBP-01 SM-3 - SPEEDWAY RD 0.053 0.048 0.038 0.036
2Q2021 Apr 09, 2021 2DBP-02 SM-2 - BAILEY DR 0.047 0.035 0.037 0.033
1Q2021 Jan 13, 2021 2DBP-01 SM-3 - SPEEDWAY RD 0.054 0.056 0.048 0.053
1Q2021 Jan 13, 2021 2DBP-02 SM-2 - BAILEY DR 0.050 0.052 0.048 0.051
4Q2020 Oct 08, 2020 2DBP-01 SM-3 - SPEEDWAY RD 0.051 0.058 0.043 0.038
4Q2020 Oct 08, 2020 2DBP-02 SM-2 - BAILEY DR 0.050 0.059 0.047 0.045
3Q2020 Aug 18, 2020 2DBP-01 SM-3 - SPEEDWAY RD 0.049 0.048 0.052 0.041
3Q2020 Aug 18, 2020 2DBP-02 SM-2 - BAILEY DR 0.049 0.048 0.052 0.039
2Q2020 Apr 09, 2020 2DBP-01 SM-3 - SPEEDWAY RD 0.049 0.046 0.052 0.059
2Q2020 Apr 09, 2020 2DBP-02 SM-2 - BAILEY DR 0.045 0.040 0.054 0.060
1Q2020 Jan 22, 2020 2DBP-01 SM-3 - SPEEDWAY RD 0.045 0.048 0.049 0.053
1Q2020 Jan 22, 2020 2DBP-02 SM-2 - BAILEY DR 0.044 0.046 0.053 0.056
4Q2019 Oct 21, 2019 2DBP-01 SM-3 - SPEEDWAY RD 0.051 0.052 0.050 0.052
4Q2019 Oct 21, 2019 2DBP-02 SM-2 - BAILEY DR 0.048 0.052 0.052 0.057
3Q2019 Jul 23, 2019 2DBP-01 SM-3 - SPEEDWAY RD 0.051 0.049 0.038 0.039
3Q2019 Jul 23, 2019 2DBP-02 SM-2 - BAILEY DR 0.046 0.044 0.040 0.042
2Q2019 Apr 15, 2019 2DBP-01 SM-3 - SPEEDWAY RD 0.051 0.043 0.039 0.043
2Q2019 Apr 15, 2019 2DBP-02 SM-2 - BAILEY DR 0.048 0.041 0.040 0.046
1Q2019 Jan 08, 2019 2DBP-01 SM-3 - SPEEDWAY RD 0.051 0.059 0.040 0.044
1Q2019 Jan 08, 2019 2DBP-02 SM-2 - BAILEY DR 0.048 0.054 0.039 0.041
4Q2018 Oct 08, 2018 2DBP-01 SM-3 - SPEEDWAY RD 0.046 0.052 0.036 0.030
4Q2018 Oct 08, 2018 2DBP-02 SM-2 - BAILEY DR 0.044 0.050 0.037 0.032
3Q2018 Jul 09, 2018 2DBP-01 SM-3 - SPEEDWAY RD 0.041 0.045 0.040 0.039
3Q2018 Jul 09, 2018 2DBP-02 SM-2 - BAILEY DR 0.038 0.043 0.039 0.037
2Q2018 Apr 24, 2018 2DBP-01 SM-3 - SPEEDWAY RD 0.041 0.033 0.041 0.044
2Q2018 Apr 24, 2018 2DBP-02 SM-2 - BAILEY DR 0.038 0.032 0.041 0.043
1Q2018 Jan 22, 2018 2DBP-01 SM-3 - SPEEDWAY RD 0.045 0.043 0.039 0.041
1Q2018 Jan 22, 2018 2DBP-02 SM-2 - BAILEY DR 0.041 0.039 0.038 0.040
4Q2017 Oct 11, 2017 2DBP-01 SM-3 - SPEEDWAY RD 0.039 0.047 0.033 0.036
4Q2017 Oct 11, 2017 2DBP-02 SM-2 - BAILEY DR 0.036 0.041 0.034 0.035
3Q2017 Aug 01, 2017 2DBP-01 SM-3 - SPEEDWAY RD 0.048 0.045 0.034 0.032
3Q2017 Aug 01, 2017 2DBP-02 SM-2 - BAILEY DR 0.043 0.043 0.039 0.035
2Q2017 2DBP-01 SM-3 - SPEEDWAY RD 0.053 0.034
2Q2017 2DBP-02 SM-2 - BAILEY DR 0.042 0.036
1Q2017 Mar 01, 2017 2DBP-01 SM-3 - SPEEDWAY RD 0.053 0.044 0.039 0.033
1Q2017 Mar 01, 2017 2DBP-02 SM-2 - BAILEY DR 0.041 0.036 0.038 0.035
4Q2016 Oct 11, 2016 2DBP-01 SM-3 - SPEEDWAY RD 0.054 0.066 0.041 0.041
4Q2016 Oct 11, 2016 2DBP-02 SM-2 - BAILEY DR 0.041 0.050 0.039 0.042
3Q2016 Jul 25, 2016 2DBP-01 SM-3 - SPEEDWAY RD 0.051 0.055 0.042 0.039
3Q2016 Jul 25, 2016 2DBP-02 SM-2 - BAILEY DR 0.042 0.041 0.038 0.034
2Q2016 Apr 27, 2016 2DBP-01 SM-3 - SPEEDWAY RD 0.064 0.047 0.041 0.048
2Q2016 Apr 27, 2016 2DBP-02 SM-2 - BAILEY DR 0.060 0.039 0.044 0.042
1Q2016 Jan 20, 2016 2DBP-01 SM-3 - SPEEDWAY RD 0.059 0.056 0.035 0.037
1Q2016 Jan 20, 2016 2DBP-02 SM-2 - BAILEY DR 0.058 0.055 0.040 0.042
4Q2015 Oct 22, 2015 2DBP-01 SM-3 - SPEEDWAY RD 0.061 0.068 0.033 0.037
4Q2015 Oct 23, 2015 2DBP-02 SM-2 - BAILEY DR 0.059 0.068 0.037 0.043
3Q2015 Jul 28, 2015 2DBP-01 SM-3 - SPEEDWAY RD 0.075 0.079 0.024 0.028
3Q2015 Jul 28, 2015 2DBP-02 SM-2 - BAILEY DR 0.063 0.075 0.038 0.039
2Q2015 Apr 23, 2015 2DBP-01 SM-3 - SPEEDWAY RD 0.059 0.053 0.023 0.025
2Q2015 Apr 23, 2015 2DBP-02 SM-2 - BAILEY DR 0.044 0.039 0.031 0.031
1Q2015 Jan 14, 2015 2DBP-01 SM-3 - SPEEDWAY RD 0.067 0.058 0.020 0.022
1Q2015 Jan 14, 2015 2DBP-02 SM-2 - BAILEY DR 0.048 0.043 0.033 0.031
4Q2014 Oct 06, 2014 2DBP-01 SM-3 - SPEEDWAY RD 0.071 0.095 0.028 0.015
4Q2014 Oct 06, 2014 2DBP-02 SM-2 - BAILEY DR 0.054 0.064 0.040 0.040
3Q2014 Jul 08, 2014 2DBP-01 SM-3 - SPEEDWAY RD 0.057 0.053 0.045 0.031
3Q2014 Jul 08, 2014 2DBP-02 SM-2 - BAILEY DR 0.055 0.044 0.049 0.033
2Q2014 2DBP-01 SM-3 - SPEEDWAY RD 0.037 0.037
2Q2014 2DBP-02 SM-2 - BAILEY DR 0.040 0.040
1Q2014 Jan 27, 2014 2DBP-01 SM-3 - SPEEDWAY RD 0.028 0.028
1Q2014 Jan 27, 2014 2DBP-02 SM-2 - BAILEY DR 0.030 0.030
4Q2013 Oct 29, 2013 2DBP-01 SM-3 - SPEEDWAY RD 0.018 0.015
4Q2013 Oct 29, 2013 2DBP-02 SM-2 - BAILEY DR 0.019 0.018



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