OHA Drinking Water Services
OR41
PWS ID: 00302 ---- SOUTH COAST WATER COMPANY
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
3Q2020 Aug 04, 2020 2DBP-01 83351 PARKWAY DR 0.029 0.031 0.016 0.017
2Q2020 May 12, 2020 2DBP-01 83351 PARKWAY DR 0.031 0.032 0.015 0.018
1Q2020 Feb 04, 2020 2DBP-01 83351 PARKWAY DR 0.024 0.023 0.009 0.009
4Q2019 Nov 05, 2019 2DBP-01 83351 PARKWAY DR 0.026 0.027 0.010 0.012
3Q2019 Aug 27, 2019 2DBP-01 83351 PARKWAY DR 0.022 0.031 0.007 0.011
2Q2019 May 14, 2019 2DBP-01 83351 PARKWAY DR 0.025 0.015 0.016 0.004
1Q2019 Feb 05, 2019 2DBP-01 83351 PARKWAY DR 0.047 0.026 0.033 0.017
4Q2018 Nov 13, 2018 2DBP-01 83351 PARKWAY DR 0.051 0.043 0.035 0.042
3Q2018 Aug 07, 2018 2DBP-01 83351 PARKWAY DR 0.059 0.064 0.044 0.049
2Q2018 May 08, 2018 2DBP-01 83351 PARKWAY DR 0.057 0.070 0.042 0.049
1Q2018 Feb 06, 2018 2DBP-01 83351 PARKWAY DR 0.038 0.041 0.030 0.028
4Q2017 Nov 14, 2017 2DBP-01 83351 PARKWAY DR 0.029 0.038 0.026 0.034
3Q2017 Aug 10, 2017 2DBP-01 83351 PARKWAY DR 0.031 0.032 0.027 0.029
2Q2017 May 02, 2017 2DBP-01 83351 PARKWAY DR 0.024 0.025 0.020 0.021
1Q2017 Feb 07, 2017 2DBP-01 83351 PARKWAY DR 0.041 0.016 0.034 0.019
4Q2016 Oct 18, 2016 2DBP-01 83351 PARKWAY DR 0.066 0.056 0.051 0.047
3Q2016 2DBP-01 83351 PARKWAY DR 0.074 0.052
2Q2016 May 17, 2016 2DBP-01 83351 PARKWAY DR 0.074 0.075 0.052 0.055
1Q2016 Feb 02, 2016 2DBP-01 83351 PARKWAY DR 0.060 0.075 0.039 0.048
4Q2015 Oct 09, 2015 2DBP-01 83351 PARKWAY DR 0.054 0.057 0.043 0.036
3Q2015 2DBP-01 83351 PARKWAY DR 0.048 0.045
2Q2015 May 05, 2015 2DBP-01 83351 PARKWAY DR 0.059 0.044 0.043 0.040
1Q2015 Feb 10, 2015 2DBP-01 83351 PARKWAY DR 0.069 0.066 0.055 0.052
4Q2014 Nov 11, 2014 2DBP-01 83351 PARKWAY DR 0.070 0.068 0.054 0.052
3Q2014 Aug 26, 2014 2DBP-01 83351 PARKWAY DR 0.057 0.079 0.042 0.050
2Q2014 May 13, 2014 2DBP-01 83351 PARKWAY DR 0.034 0.052 0.033 0.052
1Q2014 Feb 18, 2014 2DBP-01 83351 PARKWAY DR 0.016 0.015
4Q2013 Nov 19, 2013 2DBP-01 83351 PARKWAY DR 0 0



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