OHA Drinking Water Services
OR41
PWS ID: 00549 ---- TRI-CITY JW&SA
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
3Q2016 Aug 02, 2016 2DBP-01 SM1 0.037 0.035 0.012 0.010
3Q2016 Aug 02, 2016 2DBP-02 SM2 0.029 0.027 0.021 0.017
2Q2016 May 02, 2016 2DBP-01 SM1 0.040 0.038 0.016 0.014
2Q2016 May 02, 2016 2DBP-02 SM2 0.033 0.027 0.025 0.027
1Q2016 Feb 02, 2016 2DBP-01 SM1 0.040 0.038 0.015 0.021
1Q2016 Feb 02, 2016 2DBP-02 SM2 0.030 0.032 0.020 0.023
4Q2015 Nov 02, 2015 2DBP-01 SM1 0.044 0.044 0.013 0.013
4Q2015 Nov 02, 2015 2DBP-02 SM2 0.034 0.035 0.022 0.019
3Q2015 Aug 03, 2015 2DBP-01 SM1 0.050 0.045 0.014 0.014
3Q2015 Aug 03, 2015 2DBP-02 SM2 0.043 0.036 0.029 0.023
2Q2015 May 06, 2015 2DBP-01 SM1 0.051 0.048 0.015 0.013
2Q2015 May 06, 2015 2DBP-02 SM2 0.042 0.034 0.031 0.028
1Q2015 Feb 02, 2015 2DBP-01 SM1 0.050 0.053 0.019 0.020
1Q2015 Feb 02, 2015 2DBP-02 SM2 0.044 0.047 0.031 0.035
4Q2014 Nov 05, 2014 2DBP-01 SM1 0.047 0.055 0.021 0.020
4Q2014 Nov 05, 2014 2DBP-02 SM2 0.041 0.054 0.028 0.035
3Q2014 Aug 06, 2014 2DBP-01 SM1 0.044 0.043 0.020 0.021
3Q2014 Aug 06, 2014 2DBP-02 SM2 0.032 0.034 0.025 0.023
2Q2014 May 05, 2014 2DBP-01 SM1 0.030 0.039 0.014 0.018
2Q2014 May 05, 2014 2DBP-02 SM2 0.021 0.026 0.018 0.022
1Q2014 Feb 04, 2014 2DBP-01 SM1 0.022 0.010
1Q2014 Feb 04, 2014 2DBP-02 SM2 0.015 0.014
4Q2013 Nov 04, 2013 2DBP-01 SM1 0.014 0.004
4Q2013 Nov 04, 2013 2DBP-02 SM2 0.010 0.009



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