OHA Drinking Water Services
OR41
PWS ID: 00702 ---- RHODODENDRON WTR ASSOC
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 16, 2015 2DBP-01 24640 ARTHUR HAILEY 0.016 0.021 0.016 0.021
3Q2015 Sep 14, 2015 2DBP-01 24640 ARTHUR HAILEY 0.034 0.011 0.015 0.011
2Q2015 May 18, 2015 2DBP-01 24640 ARTHUR HAILEY 0.042 0.035 0.017 0.016
1Q2015 Feb 16, 2015 2DBP-01 24640 ARTHUR HAILEY 0.039 0.040 0.016 0.015
4Q2014 Dec 08, 2014 2DBP-01 24640 ARTHUR HAILEY 0.042 0.068 0.021 0.021
3Q2014 2DBP-01 24640 ARTHUR HAILEY 0.012 0.015
2Q2014 May 19, 2014 2DBP-01 24640 ARTHUR HAILEY 0.009 0.011 0.011 0.014
1Q2014 Feb 20, 2014 2DBP-01 24640 ARTHUR HAILEY 0.007 0.008
4Q2013 Dec 18, 2013 2DBP-01 24640 ARTHUR HAILEY 0.002 0.001



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