OHA Drinking Water Services
OR41
PWS ID: 00845 ---- SUMPTER, CITY OF
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
1Q2024 Jan 08, 2024 2DBP-01 #10 IRON HORSE LN 0.049 0.039 0.037 0.030
4Q2023 Nov 06, 2023 2DBP-01 #10 IRON HORSE LN 0.058 0.060 0.040 0.041
3Q2023 Aug 02, 2023 2DBP-01 #10 IRON HORSE LN 0.043 0.049 0.033 0.034
2Q2023 Jun 05, 2023 2DBP-01 #10 IRON HORSE LN 0.045 0.052 0.035 0.042
1Q2023 2DBP-01 #10 IRON HORSE LN 0.054 0.049
4Q2022 Dec 05, 2022 2DBP-01 #10 IRON HORSE LN 0.048 0.046 0.045 0.042
3Q2022 Jul 18, 2022 2DBP-01 #10 IRON HORSE LN 0.053 0.055 0.051 0.048
2Q2022 Jun 06, 2022 2DBP-01 #10 IRON HORSE LN 0.053 0.065 0.053 0.066
1Q2022 Jan 03, 2022 2DBP-01 #10 IRON HORSE LN 0.050 0.037 0.052 0.038
4Q2021 Oct 04, 2021 2DBP-01 #10 IRON HORSE LN 0.049 0.054 0.052 0.056
3Q2021 Aug 02, 2021 2DBP-01 #10 IRON HORSE LN 0.050 0.051 0.052 0.049
2Q2021 May 10, 2021 2DBP-01 #10 IRON HORSE LN 0.051 0.059 0.056 0.064
1Q2021 Feb 01, 2021 2DBP-01 #10 IRON HORSE LN 0.053 0.031 0.053 0.037
4Q2020 Oct 05, 2020 2DBP-01 #10 IRON HORSE LN 0.056 0.060 0.056 0.061
3Q2020 2DBP-01 #10 IRON HORSE LN 0.035 0.036
2Q2020 Jun 01, 2020 2DBP-01 #10 IRON HORSE LN 0.061 0.070 0.058 0.065
1Q2020 Mar 19, 2020 2DBP-01 #10 IRON HORSE LN 0.035 0.035 0.036 0.036
4Q2019 2DBP-01 #10 IRON HORSE LN 0.017 0.024
3Q2019 2DBP-01 #10 IRON HORSE LN 0.017 0.024
2Q2019 2DBP-01 #10 IRON HORSE LN 0.035 0.013
1Q2019 Mar 13, 2019 2DBP-01 #10 IRON HORSE LN 0.035 0.029 0.013 0.017
4Q2018 2DBP-01 #10 IRON HORSE LN 0.042 0.025
3Q2018 Aug 01, 2018 2DBP-01 #10 IRON HORSE LN 0.046 0.046 0.017 0.018
2Q2018 2DBP-01 #10 IRON HORSE LN 0.040 0.029
1Q2018 Feb 07, 2018 2DBP-01 #10 IRON HORSE LN 0.040 0.038 0.029 0.034
4Q2017 Nov 08, 2017 2DBP-01 #10 IRON HORSE LN 0.045 0.048 0.020 0.014
3Q2017 Aug 09, 2017 2DBP-01 #10 IRON HORSE LN 0.062 0.034 0.022 0.039
2Q2017 2DBP-01 #10 IRON HORSE LN 0.067 0.024
1Q2017 2DBP-01 #10 IRON HORSE LN 0.067 0.024
4Q2016 Nov 30, 2016 2DBP-01 #10 IRON HORSE LN 0.061 0.075 0.036 0.018
3Q2016 Aug 10, 2016 2DBP-01 #10 IRON HORSE LN 0.044 0.045 0.045 0.049
2Q2016 2DBP-01 #10 IRON HORSE LN 0.045 0.046
1Q2016 Feb 24, 2016 2DBP-01 #10 IRON HORSE LN 0.045 0.046 0.046 0.050
4Q2015 Nov 11, 2015 2DBP-01 #10 IRON HORSE LN 0.040 0.040 0.031 0.031



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