OHA Drinking Water Services
OR41
PWS ID: 01511 ---- OREGON CITY
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 Feb 13, 2024 2DBP-01 SM-5 18161 NEWELL CREST DR 0.057 0.055 0.040 0.038
1Q2024 Feb 13, 2024 2DBP-02 SM-4 HENRICI RESERVOIR 0.041 0.041 0.040 0.040
1Q2024 Feb 13, 2024 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.045 0.044 0.040 0.038
1Q2024 Feb 13, 2024 2DBP-04 BLANCHET DR SS 0.047 0.046 0.039 0.037
4Q2023 Nov 14, 2023 2DBP-01 SM-5 18161 NEWELL CREST DR 0.055 0.063 0.039 0.042
4Q2023 Nov 14, 2023 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.044 0.048 0.038 0.043
4Q2023 Nov 14, 2023 2DBP-04 BLANCHET DR SS 0.047 0.051 0.038 0.041
4Q2023 Nov 14, 2023 2DBP-05 11525 PARRISH ROAD 0.047 0.052 0.037 0.039
3Q2023 Aug 08, 2023 2DBP-01 SM-5 18161 NEWELL CREST DR 0.052 0.048 0.040 0.034
3Q2023 Aug 08, 2023 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.042 0.041 0.038 0.030
3Q2023 Aug 08, 2023 2DBP-04 BLANCHET DR SS 0.044 0.040 0.039 0.032
3Q2023 Aug 08, 2023 2DBP-05 11525 PARRISH ROAD 0.043 0.040 0.038 0.031
2Q2023 May 09, 2023 2DBP-01 SM-5 18161 NEWELL CREST DR 0.052 0.053 0.043 0.044
2Q2023 May 09, 2023 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.041 0.043 0.042 0.045
2Q2023 May 09, 2023 2DBP-04 BLANCHET DR SS 0.044 0.048 0.042 0.045
2Q2023 May 09, 2023 2DBP-05 11525 PARRISH ROAD 0.047 0.047 0.043 0.044
1Q2023 Feb 14, 2023 2DBP-01 SM-5 18161 NEWELL CREST DR 0.052 0.049 0.041 0.040
1Q2023 Feb 14, 2023 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.040 0.038 0.041 0.039
1Q2023 Feb 14, 2023 2DBP-04 BLANCHET DR SS 0.043 0.042 0.041 0.040
1Q2023 Feb 14, 2023 2DBP-05 11525 PARRISH ROAD 0.046 0.045 0.042 0.040
4Q2022 Nov 16, 2022 2DBP-01 SM-5 18161 NEWELL CREST DR 0.051 0.057 0.041 0.045
4Q2022 Nov 16, 2022 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.041 0.042 0.041 0.045
4Q2022 Nov 16, 2022 2DBP-04 BLANCHET DR SS 0.042 0.045 0.040 0.045
4Q2022 Nov 16, 2022 2DBP-05 11525 PARRISH ROAD 0.049 0.049 0.049 0.049
3Q2022 Aug 09, 2022 2DBP-01 SM-5 18161 NEWELL CREST DR 0.054 0.048 0.037 0.038
3Q2022 Aug 09, 2022 2DBP-02 SM-4 HENRICI RESERVOIR 0.046 0.043 0.035 0.034
3Q2022 Aug 09, 2022 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.043 0.040 0.036 0.036
3Q2022 Aug 09, 2022 2DBP-04 BLANCHET DR SS 0.044 0.039 0.036 0.035
2Q2022 May 10, 2022 2DBP-01 SM-5 18161 NEWELL CREST DR 0.055 0.056 0.033 0.038
2Q2022 May 10, 2022 2DBP-02 SM-4 HENRICI RESERVOIR 0.046 0.046 0.032 0.038
2Q2022 May 10, 2022 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.044 0.044 0.033 0.038
2Q2022 May 10, 2022 2DBP-04 BLANCHET DR SS 0.045 0.047 0.033 0.038
1Q2022 Feb 08, 2022 2DBP-01 SM-5 18161 NEWELL CREST DR 0.055 0.050 0.032 0.032
1Q2022 Feb 08, 2022 2DBP-02 SM-4 HENRICI RESERVOIR 0.046 0.043 0.029 0.030
1Q2022 Feb 08, 2022 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.044 0.042 0.030 0.031
1Q2022 Feb 08, 2022 2DBP-04 BLANCHET DR SS 0.044 0.042 0.031 0.030
4Q2021 Nov 09, 2021 2DBP-01 SM-5 18161 NEWELL CREST DR 0.057 0.064 0.030 0.033
4Q2021 Nov 09, 2021 2DBP-02 SM-4 HENRICI RESERVOIR 0.048 0.050 0.029 0.030
4Q2021 Nov 09, 2021 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.045 0.048 0.030 0.030
4Q2021 Nov 09, 2021 2DBP-04 BLANCHET DR SS 0.047 0.050 0.031 0.033
3Q2021 Aug 10, 2021 2DBP-01 SM-5 18161 NEWELL CREST DR 0.053 0.051 0.029 0.027
3Q2021 Aug 10, 2021 2DBP-02 SM-4 HENRICI RESERVOIR 0.047 0.045 0.029 0.026
3Q2021 Aug 10, 2021 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.042 0.042 0.029 0.027
3Q2021 Aug 10, 2021 2DBP-04 BLANCHET DR SS 0.045 0.043 0.029 0.027
2Q2021 May 11, 2021 2DBP-01 SM-5 18161 NEWELL CREST DR 0.053 0.054 0.031 0.032
2Q2021 May 11, 2021 2DBP-02 SM-4 HENRICI RESERVOIR 0.045 0.047 0.030 0.031
2Q2021 May 11, 2021 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.041 0.042 0.029 0.031
2Q2021 May 11, 2021 2DBP-04 BLANCHET DR SS 0.045 0.046 0.030 0.032
1Q2021 Feb 09, 2021 2DBP-01 SM-5 18161 NEWELL CREST DR 0.051 0.050 0.032 0.029
1Q2021 Feb 11, 2021 2DBP-02 SM-4 HENRICI RESERVOIR 0.045 0.045 0.030 0.031
1Q2021 Feb 09, 2021 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.041 0.040 0.030 0.030
1Q2021 Feb 11, 2021 2DBP-04 BLANCHET DR SS 0.045 0.046 0.030 0.030
4Q2020 Nov 09, 2020 2DBP-01 SM-5 18161 NEWELL CREST DR 0.053 0.055 0.036 0.033
4Q2020 Nov 09, 2020 2DBP-02 SM-4 HENRICI RESERVOIR 0.046 0.047 0.034 0.030
4Q2020 Nov 09, 2020 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.041 0.042 0.031 0.029
4Q2020 Nov 09, 2020 2DBP-04 BLANCHET DR SS 0.045 0.046 0.032 0.030
3Q2020 Aug 11, 2020 2DBP-01 SM-5 18161 NEWELL CREST DR 0.055 0.051 0.039 0.037
3Q2020 Aug 11, 2020 2DBP-02 SM-4 HENRICI RESERVOIR 0.047 0.043 0.034 0.032
3Q2020 Aug 11, 2020 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.045 0.040 0.031 0.029
3Q2020 Aug 11, 2020 2DBP-04 BLANCHET DR SS 0.044 0.042 0.032 0.031
2Q2020 May 12, 2020 2DBP-01 SM-5 18161 NEWELL CREST DR 0.057 0.055 0.037 0.040
2Q2020 May 12, 2020 2DBP-02 SM-4 HENRICI RESERVOIR 0.048 0.048 0.033 0.035
2Q2020 May 12, 2020 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.046 0.046 0.030 0.033
2Q2020 May 12, 2020 2DBP-04 BLANCHET DR SS 0.044 0.045 0.031 0.033
1Q2020 Feb 11, 2020 2DBP-01 SM-5 18161 NEWELL CREST DR 0.059 0.058 0.037 0.038
1Q2020 Feb 11, 2020 2DBP-02 SM-4 HENRICI RESERVOIR 0.049 0.050 0.033 0.036
1Q2020 Feb 11, 2020 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.047 0.045 0.031 0.032
1Q2020 Feb 11, 2020 2DBP-04 BLANCHET DR SS 0.043 0.044 0.031 0.034
4Q2019 Nov 12, 2019 2DBP-01 SM-5 18161 NEWELL CREST DR 0.057 0.062 0.036 0.036
4Q2019 Nov 12, 2019 2DBP-02 SM-4 HENRICI RESERVOIR 0.046 0.050 0.029 0.029
4Q2019 Nov 12, 2019 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.047 0.050 0.029 0.029
4Q2019 Nov 12, 2019 2DBP-04 BLANCHET DR SS 0.042 0.042 0.028 0.029
3Q2019 Aug 13, 2019 2DBP-01 SM-5 18161 NEWELL CREST DR 0.057 0.056 0.039 0.033
3Q2019 Aug 13, 2019 2DBP-02 SM-4 HENRICI RESERVOIR 0.043 0.045 0.029 0.026
3Q2019 Aug 13, 2019 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.043 0.043 0.031 0.026
3Q2019 Aug 13, 2019 2DBP-04 BLANCHET DR SS 0.044 0.040 0.033 0.026
2Q2019 May 14, 2019 2DBP-01 SM-5 18161 NEWELL CREST DR 0.052 0.056 0.039 0.041
2Q2019 May 14, 2019 2DBP-02 SM-4 HENRICI RESERVOIR 0.042 0.043 0.029 0.032
2Q2019 May 14, 2019 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.042 0.045 0.031 0.035
2Q2019 May 14, 2019 2DBP-04 BLANCHET DR SS 0.043 0.045 0.033 0.035
1Q2019 Feb 12, 2019 2DBP-01 SM-5 18161 NEWELL CREST DR 0.053 0.050 0.038 0.039
1Q2019 Feb 12, 2019 2DBP-02 SM-4 HENRICI RESERVOIR 0.041 0.039 0.029 0.029
1Q2019 Feb 12, 2019 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.041 0.041 0.031 0.031
1Q2019 Feb 12, 2019 2DBP-04 BLANCHET DR SS 0.044 0.043 0.033 0.033
4Q2018 Nov 13, 2018 2DBP-01 SM-5 18161 NEWELL CREST DR 0.051 0.057 0.038 0.041
4Q2018 Nov 13, 2018 2DBP-02 SM-4 HENRICI RESERVOIR 0.040 0.041 0.033 0.029
4Q2018 Nov 13, 2018 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.039 0.040 0.035 0.033
4Q2018 Nov 13, 2018 2DBP-04 BLANCHET DR SS 0.043 0.047 0.036 0.038
3Q2018 Aug 14, 2018 2DBP-01 SM-5 18161 NEWELL CREST DR 0.047 0.046 0.035 0.032
3Q2018 Aug 14, 2018 2DBP-02 SM-4 HENRICI RESERVOIR 0.040 0.040 0.035 0.030
3Q2018 Aug 14, 2018 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.039 0.038 0.035 0.030
3Q2018 Aug 14, 2018 2DBP-04 BLANCHET DR SS 0.040 0.038 0.034 0.030
2Q2018 May 07, 2018 2DBP-01 SM-5 18161 NEWELL CREST DR 0.045 0.050 0.036 0.037
2Q2018 May 07, 2018 2DBP-02 SM-4 HENRICI RESERVOIR 0.038 0.041 0.037 0.038
2Q2018 May 07, 2018 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.037 0.040 0.037 0.038
2Q2018 May 07, 2018 2DBP-04 BLANCHET DR SS 0.040 0.044 0.035 0.036
1Q2018 Feb 13, 2018 2DBP-01 SM-5 18161 NEWELL CREST DR 0.043 0.042 0.039 0.038
1Q2018 Feb 13, 2018 2DBP-02 SM-4 HENRICI RESERVOIR 0.037 0.036 0.042 0.041
1Q2018 Feb 13, 2018 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.035 0.034 0.042 0.041
1Q2018 Feb 13, 2018 2DBP-04 BLANCHET DR SS 0.040 0.037 0.040 0.038
4Q2017 Nov 14, 2017 2DBP-01 SM-5 18161 NEWELL CREST DR 0.040 0.045 0.039 0.040
4Q2017 Nov 14, 2017 2DBP-02 SM-4 HENRICI RESERVOIR 0.035 0.038 0.040 0.040
4Q2017 Nov 14, 2017 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.033 0.037 0.040 0.039
4Q2017 Nov 14, 2017 2DBP-04 BLANCHET DR SS 0.038 0.042 0.039 0.039
3Q2017 Aug 08, 2017 2DBP-01 SM-5 18161 NEWELL CREST DR 0.043 0.038 0.041 0.036
3Q2017 Aug 08, 2017 2DBP-02 SM-4 HENRICI RESERVOIR 0.036 0.033 0.041 0.037
3Q2017 Aug 08, 2017 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.035 0.030 0.040 0.037
3Q2017 Aug 08, 2017 2DBP-04 BLANCHET DR SS 0.040 0.036 0.041 0.036
2Q2017 May 09, 2017 2DBP-01 SM-5 18161 NEWELL CREST DR 0.043 0.045 0.041 0.046
2Q2017 May 09, 2017 2DBP-02 SM-4 HENRICI RESERVOIR 0.036 0.037 0.040 0.047
2Q2017 May 09, 2017 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.035 0.037 0.040 0.047
2Q2017 May 09, 2017 2DBP-04 BLANCHET DR SS 0.040 0.044 0.041 0.047
1Q2017 Feb 07, 2017 2DBP-01 SM-5 18161 NEWELL CREST DR 0.042 0.039 0.040 0.038
1Q2017 Feb 07, 2017 2DBP-02 SM-4 HENRICI RESERVOIR 0.035 0.033 0.037 0.037
1Q2017 Feb 07, 2017 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.034 0.032 0.036 0.038
1Q2017 Feb 07, 2017 2DBP-04 BLANCHET DR SS 0.037 0.036 0.040 0.038
4Q2016 Nov 08, 2016 2DBP-01 SM-5 18161 NEWELL CREST DR 0.044 0.048 0.042 0.043
4Q2016 Nov 08, 2016 2DBP-02 SM-4 HENRICI RESERVOIR 0.037 0.040 0.039 0.037
4Q2016 Nov 08, 2016 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.037 0.041 0.038 0.036
4Q2016 Nov 08, 2016 2DBP-04 BLANCHET DR SS 0.038 0.042 0.042 0.042
3Q2016 Aug 09, 2016 2DBP-01 SM-5 18161 NEWELL CREST DR 0.045 0.039 0.043 0.036
3Q2016 Aug 09, 2016 2DBP-02 SM-4 HENRICI RESERVOIR 0.034 0.035 0.036 0.035
3Q2016 Aug 09, 2016 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.035 0.032 0.039 0.034
3Q2016 Aug 09, 2016 2DBP-04 BLANCHET DR SS 0.037 0.034 0.043 0.037
2Q2016 May 10, 2016 2DBP-01 SM-5 18161 NEWELL CREST DR 0.046 0.046 0.042 0.048
2Q2016 May 10, 2016 2DBP-02 SM-4 HENRICI RESERVOIR 0.033 0.034 0.035 0.040
2Q2016 May 10, 2016 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.036 0.036 0.037 0.041
2Q2016 May 10, 2016 2DBP-04 BLANCHET DR SS 0.038 0.038 0.041 0.048
1Q2016 Feb 09, 2016 2DBP-01 SM-5 18161 NEWELL CREST DR 0.046 0.045 0.038 0.041
1Q2016 Feb 09, 2016 2DBP-02 SM-4 HENRICI RESERVOIR 0.033 0.034 0.033 0.037
1Q2016 Feb 09, 2016 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.036 0.036 0.037 0.040
1Q2016 Feb 09, 2016 2DBP-04 BLANCHET DR SS 0.038 0.037 0.038 0.041
4Q2015 Nov 10, 2015 2DBP-01 SM-5 18161 NEWELL CREST DR 0.047 0.052 0.037 0.040
4Q2015 Nov 10, 2015 2DBP-02 SM-4 HENRICI RESERVOIR 0.031 0.033 0.033 0.028
4Q2015 Nov 10, 2015 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.037 0.038 0.037 0.036
4Q2015 Nov 10, 2015 2DBP-04 BLANCHET DR SS 0.040 0.041 0.036 0.039
3Q2015 Aug 11, 2015 2DBP-01 SM-5 18161 NEWELL CREST DR 0.047 0.041 0.037 0.030
3Q2015 Aug 11, 2015 2DBP-02 SM-4 HENRICI RESERVOIR 0.035 0.031 0.036 0.030
3Q2015 Aug 11, 2015 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.038 0.034 0.036 0.031
3Q2015 Aug 11, 2015 2DBP-04 BLANCHET DR SS 0.041 0.038 0.036 0.028
2Q2015 May 12, 2015 2DBP-01 SM-5 18161 NEWELL CREST DR 0.046 0.048 0.037 0.039
2Q2015 May 12, 2015 2DBP-02 SM-4 HENRICI RESERVOIR 0.036 0.036 0.037 0.039
2Q2015 May 12, 2015 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.037 0.040 0.037 0.040
2Q2015 May 12, 2015 2DBP-04 BLANCHET DR SS 0.039 0.041 0.038 0.039
1Q2015 Feb 10, 2015 2DBP-01 SM-5 18161 NEWELL CREST DR 0.048 0.046 0.041 0.039
1Q2015 Feb 10, 2015 2DBP-02 SM-4 HENRICI RESERVOIR 0.037 0.035 0.040 0.040
1Q2015 Feb 10, 2015 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.037 0.038 0.040 0.041
1Q2015 Feb 10, 2015 2DBP-04 BLANCHET DR SS 0.040 0.040 0.042 0.040
4Q2014 Nov 12, 2014 2DBP-01 SM-5 18161 NEWELL CREST DR 0.046 0.054 0.041 0.044
4Q2014 Nov 12, 2014 2DBP-02 SM-4 HENRICI RESERVOIR 0.037 0.042 0.038 0.039
4Q2014 Nov 12, 2014 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.033 0.038 0.038 0.039
4Q2014 Nov 12, 2014 2DBP-04 BLANCHET DR SS 0.037 0.042 0.041 0.044
3Q2014 Aug 12, 2014 2DBP-01 SM-5 18161 NEWELL CREST DR 0.044 0.039 0.038 0.035
3Q2014 Aug 12, 2014 2DBP-02 SM-4 HENRICI RESERVOIR 0.035 0.033 0.037 0.033
3Q2014 Aug 12, 2014 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.031 0.028 0.037 0.033
3Q2014 Aug 12, 2014 2DBP-04 BLANCHET DR SS 0.035 0.031 0.039 0.036
2Q2014 May 13, 2014 2DBP-01 SM-5 18161 NEWELL CREST DR 0.035 0.047 0.031 0.043
2Q2014 May 13, 2014 2DBP-02 SM-4 HENRICI RESERVOIR 0.026 0.036 0.031 0.043
2Q2014 May 13, 2014 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.025 0.033 0.031 0.043
2Q2014 May 13, 2014 2DBP-04 BLANCHET DR SS 0.028 0.038 0.032 0.044
1Q2014 Feb 11, 2014 2DBP-01 SM-5 18161 NEWELL CREST DR 0.022 0.019
1Q2014 Feb 11, 2014 2DBP-02 SM-4 HENRICI RESERVOIR 0.017 0.019
1Q2014 Feb 11, 2014 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.016 0.019
1Q2014 Feb 11, 2014 2DBP-04 BLANCHET DR SS 0.019 0.020
4Q2013 Nov 12, 2013 2DBP-01 SM-5 18161 NEWELL CREST DR 0.014 0.010
4Q2013 Nov 12, 2013 2DBP-02 SM-4 HENRICI RESERVOIR 0.010 0.010
4Q2013 Nov 12, 2013 2DBP-03 S1-1 20007 BEAVERCREEK RD 0.010 0.010
4Q2013 Nov 12, 2013 2DBP-04 BLANCHET DR SS 0.011 0.010




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