OHA Drinking Water Services
OR41
PWS ID: 90416 ---- GEORGIA-PACIFIC, WAUNA MILL
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 Aug 14, 2024 2DBP-01 STP OFFICE 0.034 0.034 0.022 0.021
2Q2024 May 01, 2024 2DBP-01 STP OFFICE 0.038 0.033 0.026 0.023
1Q2024 Feb 22, 2024 2DBP-01 STP OFFICE 0.038 0.034 0.024 0.024
4Q2023 Nov 07, 2023 2DBP-01 STP OFFICE 0.038 0.041 0.023 0.026
3Q2023 Jul 12, 2023 2DBP-01 STP OFFICE 0.037 0.043 0.023 0.026
2Q2023 Apr 19, 2023 2DBP-01 STP OFFICE 0.035 0.032 0.022 0.019
1Q2023 Jan 18, 2023 2DBP-01 STP OFFICE 0.036 0.032 0.023 0.021
4Q2022 Oct 17, 2022 2DBP-01 STP OFFICE 0.037 0.039 0.025 0.026
3Q2022 Jul 06, 2022 2DBP-01 STP OFFICE 0.035 0.041 0.024 0.027
2Q2022 May 03, 2022 2DBP-01 STP OFFICE 0.031 0.032 0.023 0.021
1Q2022 Mar 09, 2022 2DBP-01 STP OFFICE 0.031 0.028 0.025 0.023
4Q2021 Dec 09, 2021 2DBP-01 STP OFFICE 0.031 0.031 0.026 0.024
3Q2021 Aug 25, 2021 2DBP-01 STP OFFICE 0.033 0.032 0.028 0.028
2Q2021 May 12, 2021 2DBP-01 STP OFFICE 0.038 0.035 0.029 0.028
1Q2021 Feb 09, 2021 2DBP-01 STP OFFICE 0.041 0.034 0.030 0.029
4Q2020 Nov 30, 2020 2DBP-01 STP OFFICE 0.040 0.044 0.028 0.031
3Q2020 Aug 11, 2020 2DBP-01 STP OFFICE 0.038 0.043 0.028 0.030
2Q2020 May 11, 2020 2DBP-01 STP OFFICE 0.039 0.039 0.027 0.027
1Q2020 Feb 28, 2020 2DBP-01 STP OFFICE 0.036 0.031 0.027 0.023
4Q2019 Nov 06, 2019 2DBP-01 STP OFFICE 0.038 0.039 0.027 0.029
3Q2019 Aug 02, 2019 2DBP-01 STP OFFICE 0.039 0.044 0.027 0.029
2Q2019 May 08, 2019 2DBP-01 STP OFFICE 0.038 0.036 0.027 0.027
1Q2019 Feb 01, 2019 2DBP-01 STP OFFICE 0.041 0.035 0.029 0.024
4Q2018 Dec 31, 2018 2DBP-01 STP OFFICE 0.038 0.042 0.027 0.030
3Q2018 Sep 28, 2018 2DBP-01 STP OFFICE 0.036 0.043 0.024 0.030
2Q2018 Jun 29, 2018 2DBP-01 STP OFFICE 0.030 0.036 0.018 0.026
1Q2018 Mar 14, 2018 2DBP-01 STP OFFICE 0.027 0.022 0.012 0.010
4Q2017 Nov 03, 2017 2DBP-01 STP OFFICE 0.026 0.029 0.012 0.012
3Q2017 Aug 07, 2017 2DBP-01 STP OFFICE 0.025 0.028 0.011 0.011
2Q2017 May 08, 2017 2DBP-01 STP OFFICE 0.024 0.027 0.011 0.013
1Q2017 Feb 17, 2017 2DBP-01 STP OFFICE 0.030 0.018 0.017 0.009
4Q2016 Nov 11, 2016 2DBP-01 STP OFFICE 0.035 0.031 0.021 0.017
3Q2016 Aug 17, 2016 2DBP-01 STP OFFICE 0.039 0.037 0.025 0.021
2Q2016 May 13, 2016 2DBP-01 STP OFFICE 0.043 0.047 0.029 0.033
1Q2016 Feb 17, 2016 2DBP-01 STP OFFICE 0.040 0.037 0.027 0.026
4Q2015 Nov 09, 2015 2DBP-01 STP OFFICE 0.040 0.040 0.027 0.027
3Q2015 Aug 07, 2015 2DBP-01 STP OFFICE 0.040 0.042 0.027 0.027
2Q2015 May 15, 2015 2DBP-01 STP OFFICE 0.042 0.042 0.026 0.028
1Q2015 Feb 11, 2015 2DBP-01 STP OFFICE 0.040 0.038 0.028 0.023
4Q2014 Nov 19, 2014 2DBP-01 STP OFFICE 0.039 0.041 0.030 0.028
3Q2014 Aug 22, 2014 2DBP-01 STP OFFICE 0.040 0.043 0.033 0.030
2Q2014 May 09, 2014 2DBP-01 STP OFFICE 0.027 0.037 0.027 0.038
1Q2014 Feb 13, 2014 2DBP-01 STP OFFICE 0.017 0.016
4Q2013 Nov 15, 2013 2DBP-01 STP OFFICE 0.010 0.008



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