OHA Drinking Water Services
OR41
PWS ID: 01072 ---- JOHNSON CREEK WATER SERVICE
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
4Q2015 Nov 24, 2015 2DBP-01 SEA CREST CLUB HOUSE 0.059 0.063 0.018 0.025
4Q2015 Nov 24, 2015 2DBP-02 RESTAURANT RESTROOM 0.056 0.059 0.020 0.025
3Q2015 Jul 22, 2015 2DBP-01 SEA CREST CLUB HOUSE 0.056 0.060 0.017 0.014
3Q2015 Jul 22, 2015 2DBP-02 RESTAURANT RESTROOM 0.054 0.056 0.018 0.016
2Q2015 Jun 18, 2015 2DBP-01 SEA CREST CLUB HOUSE 0.056 0.054 0.018 0.015
2Q2015 Jun 18, 2015 2DBP-02 RESTAURANT RESTROOM 0.058 0.053 0.019 0.017
1Q2015 Mar 04, 2015 2DBP-01 SEA CREST CLUB HOUSE 0.054 0.053 0.017 0.016
1Q2015 Mar 04, 2015 2DBP-02 RESTAURANT RESTROOM 0.059 0.056 0.019 0.020
4Q2014 Dec 03, 2014 2DBP-01 SEA CREST CLUB HOUSE 0.053 0.054 0.020 0.024
4Q2014 Dec 03, 2014 2DBP-02 RESTAURANT RESTROOM 0.058 0.060 0.019 0.022
3Q2014 Sep 03, 2014 2DBP-01 SEA CREST CLUB HOUSE 0.052 0.057 0.018 0.018
3Q2014 Sep 03, 2014 2DBP-02 RESTAURANT RESTROOM 0.044 0.063 0.019 0.017
2Q2014 Jun 18, 2014 2DBP-01 SEA CREST CLUB HOUSE 0.035 0.048 0.012 0.014
2Q2014 Jun 18, 2014 2DBP-02 RESTAURANT RESTROOM 0.026 0.040 0.013 0.016
1Q2014 Mar 12, 2014 2DBP-01 SEA CREST CLUB HOUSE 0.023 0.010
1Q2014 Mar 12, 2014 2DBP-02 RESTAURANT RESTROOM 0.011 0.011
4Q2013 Dec 18, 2013 2DBP-01 SEA CREST CLUB HOUSE 0.012 0.006
4Q2013 Dec 18, 2013 2DBP-02 RESTAURANT RESTROOM 0 0.007



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