OHA Drinking Water Services
OR41
PWS ID: 00297 ---- FALLS CITY, 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
2Q2024 Apr 01, 2024 2DBP-01 SM-1 UPPER CITY PARK 0.029 0.029
2Q2024 Apr 01, 2024 2DBP-02 SM-2 987 PARRY RD 0.036 0.037
1Q2024 Jan 02, 2024 2DBP-01 SM-1 UPPER CITY PARK 0.029 0.029
1Q2024 Jan 02, 2024 2DBP-02 SM-2 987 PARRY RD 0.035 0.040
4Q2023 Oct 02, 2023 2DBP-01 SM-1 UPPER CITY PARK 0.037 0.033
4Q2023 Oct 02, 2023 2DBP-02 SM-2 987 PARRY RD 0.039 0.034
3Q2023 Jul 03, 2023 2DBP-01 SM-1 UPPER CITY PARK 0.033 0.033
3Q2023 Jul 03, 2023 2DBP-02 SM-2 987 PARRY RD 0.032 0.034
2Q2023 Apr 04, 2023 2DBP-01 SM-1 UPPER CITY PARK 0.034 0.034
2Q2023 Apr 03, 2023 2DBP-02 SM-2 987 PARRY RD 0.033 0.033
1Q2023 Jan 03, 2023 2DBP-01 SM-1 UPPER CITY PARK 0.033 0.041
1Q2023 Jan 03, 2023 2DBP-02 SM-2 987 PARRY RD 0.035 0.041
4Q2022 Oct 18, 2022 2DBP-01 SM-1 UPPER CITY PARK 0.023 0.024
4Q2022 Oct 18, 2022 2DBP-02 SM-2 987 PARRY RD 0.028 0.024
3Q2022 Jul 01, 2022 2DBP-01 SM-1 UPPER CITY PARK 0.025 0.024
3Q2022 Jul 01, 2022 2DBP-02 SM-2 987 PARRY RD 0.032 0.030
2Q2022 Apr 28, 2022 2DBP-01 SM-1 UPPER CITY PARK 0.024 0.024
2Q2022 Apr 28, 2022 2DBP-02 SM-2 987 PARRY RD 0.033 0.035
1Q2022 Jan 13, 2022 2DBP-01 SM-1 UPPER CITY PARK 0.024 0.022
1Q2022 Jan 13, 2022 2DBP-02 SM-2 987 PARRY RD 0.030 0.031
4Q2021 Oct 05, 2021 2DBP-01 SM-1 UPPER CITY PARK 0.030 0.027
4Q2021 Oct 05, 2021 2DBP-02 SM-2 987 PARRY RD 0.034 0.031
3Q2021 Jul 06, 2021 2DBP-01 SM-1 UPPER CITY PARK 0.035 0.028
3Q2021 Jul 06, 2021 2DBP-02 SM-2 987 PARRY RD 0.037 0.033
2Q2021 Apr 20, 2021 2DBP-01 SM-1 UPPER CITY PARK 0.037 0.035
2Q2021 Apr 20, 2021 2DBP-02 SM-2 987 PARRY RD 0.038 0.037
1Q2021 Jan 11, 2021 2DBP-01 SM-1 UPPER CITY PARK 0.038 0.042
1Q2021 Jan 11, 2021 2DBP-02 SM-2 987 PARRY RD 0.041 0.043
4Q2020 Oct 01, 2020 2DBP-01 SM-1 UPPER CITY PARK 0.043 0.041
4Q2020 Oct 01, 2020 2DBP-02 SM-2 987 PARRY RD 0.041 0.041
3Q2020 Jul 02, 2020 2DBP-01 SM-1 UPPER CITY PARK 0.043 0.038
3Q2020 Jul 02, 2020 2DBP-02 SM-2 987 PARRY RD 0.041 0.038
2Q2020 Apr 01, 2020 2DBP-01 SM-1 UPPER CITY PARK 0.043 0.042
2Q2020 Apr 01, 2020 2DBP-02 SM-2 987 PARRY RD 0.040 0.042
1Q2020 Feb 04, 2020 2DBP-01 SM-1 UPPER CITY PARK 0.047 0.050
1Q2020 Feb 04, 2020 2DBP-02 SM-2 987 PARRY RD 0.042 0.042
4Q2019 Oct 09, 2019 2DBP-01 SM-1 UPPER CITY PARK 0.046 0.046
4Q2019 Oct 09, 2019 2DBP-02 SM-2 987 PARRY RD 0.041 0.041
3Q2019 Jul 01, 2019 2DBP-01 SM-1 UPPER CITY PARK 0.038 0.040
3Q2019 Jul 01, 2019 2DBP-02 SM-2 987 PARRY RD 0.039 0.037
2Q2019 Apr 12, 2019 2DBP-01 SM-1 UPPER CITY PARK 0.045 0.043
2Q2019 Apr 12, 2019 2DBP-02 SM-2 987 PARRY RD 0.038 0.044
1Q2019 Jan 17, 2019 2DBP-01 SM-1 UPPER CITY PARK 0.042 0.046
1Q2019 Jan 17, 2019 2DBP-02 SM-2 987 PARRY RD 0.035 0.038
4Q2018 Oct 18, 2018 2DBP-01 SM-1 UPPER CITY PARK 0.038 0.036
4Q2018 Oct 18, 2018 2DBP-02 SM-2 987 PARRY RD 0.034 0.033
3Q2018 Jul 19, 2018 2DBP-01 SM-1 UPPER CITY PARK 0.042 0.045
3Q2018 Jul 19, 2018 2DBP-02 SM-2 987 PARRY RD 0.034 0.031
2Q2018 Apr 19, 2018 2DBP-01 SM-1 UPPER CITY PARK 0.034 0.036
2Q2018 Apr 19, 2018 2DBP-02 SM-2 987 PARRY RD 0.035 0.036
1Q2018 Jan 04, 2018 2DBP-01 SM-1 UPPER CITY PARK 0.042 0.034
1Q2018 Jan 04, 2018 2DBP-02 SM-2 987 PARRY RD 0.035 0.037
4Q2017 Oct 05, 2017 2DBP-01 SM-1 UPPER CITY PARK 0.038 0.044
4Q2017 Oct 05, 2017 2DBP-02 SM-2 987 PARRY RD 0.031 0.034
3Q2017 Jul 06, 2017 2DBP-01 SM-1 UPPER CITY PARK 0.044 0.035
3Q2017 Jul 06, 2017 2DBP-02 SM-2 987 PARRY RD 0.036 0.029
2Q2017 Apr 20, 2017 2DBP-01 SM-1 UPPER CITY PARK 0.045 0.054
2Q2017 Apr 20, 2017 2DBP-02 SM-2 987 PARRY RD 0.034 0.036
1Q2017 Jan 19, 2017 2DBP-01 SM-1 UPPER CITY PARK 0.042 0.034
1Q2017 Jan 19, 2017 2DBP-02 SM-2 987 PARRY RD 0.035 0.032
4Q2016 Oct 20, 2016 2DBP-01 SM-1 UPPER CITY PARK 0.043 0.053
4Q2016 Oct 20, 2016 2DBP-02 SM-2 987 PARRY RD 0.038 0.044
3Q2016 Jul 07, 2016 2DBP-01 SM-1 UPPER CITY PARK 0.038 0.034
3Q2016 Jul 07, 2016 2DBP-02 SM-2 987 PARRY RD 0.028 0.029
2Q2016 Apr 07, 2016 2DBP-01 SM-1 UPPER CITY PARK 0.042 0.043
2Q2016 Apr 07, 2016 2DBP-02 SM-2 987 PARRY RD 0.029 0.031
1Q2016 Jan 21, 2016 2DBP-01 SM-1 UPPER CITY PARK 0.037 0.035
1Q2016 Jan 21, 2016 2DBP-02 SM-2 987 PARRY RD 0.024 0.028
4Q2015 Oct 15, 2015 2DBP-01 SM-1 UPPER CITY PARK 0.038 0.042
4Q2015 Oct 15, 2015 2DBP-02 SM-2 987 PARRY RD 0.024 0.021
3Q2015 Jul 16, 2015 2DBP-01 SM-1 UPPER CITY PARK 0.034 0.037
3Q2015 Jul 16, 2015 2DBP-02 SM-2 987 PARRY RD 0.024 0.025
2Q2015 Apr 16, 2015 2DBP-01 SM-1 UPPER CITY PARK 0.037 0.030
2Q2015 Apr 16, 2015 2DBP-02 SM-2 987 PARRY RD 0.024 0.022
1Q2015 Jan 08, 2015 2DBP-01 SM-1 UPPER CITY PARK 0.045 0.036
1Q2015 Jan 08, 2015 2DBP-02 SM-2 987 PARRY RD 0.030 0.027
4Q2014 Oct 02, 2014 2DBP-01 SM-1 UPPER CITY PARK 0.047 0.046
4Q2014 Oct 02, 2014 2DBP-02 SM-2 987 PARRY RD 0.035 0.028
3Q2014 Jul 17, 2014 2DBP-01 SM-1 UPPER CITY PARK 0.051 0.053
3Q2014 Jul 17, 2014 2DBP-02 SM-2 987 PARRY RD 0.042 0.035
2Q2014 Apr 10, 2014 2DBP-01 SM-1 UPPER CITY PARK 0.037 0.052
2Q2014 Apr 10, 2014 2DBP-02 SM-2 987 PARRY RD 0.036 0.046
1Q2014 Jan 16, 2014 2DBP-01 SM-1 UPPER CITY PARK 0.021
1Q2014 Jan 16, 2014 2DBP-02 SM-2 987 PARRY RD 0.027
4Q2013 Nov 21, 2013 2DBP-01 SM-1 UPPER CITY PARK 0.012
4Q2013 Nov 21, 2013 2DBP-02 SM-2 987 PARRY RD 0.013



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