OHA Drinking Water Services
OR41
PWS ID: 00672 ---- POWERS, CITY OF
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
3Q2015 Aug 17, 2015 2DBP-01 S1-1 42861 HWY 242 0.019 0.017 0.013 0.012
2Q2015 May 07, 2015 2DBP-01 S1-1 42861 HWY 242 0.018 0.017 0.014 0.013
1Q2015 Feb 04, 2015 2DBP-01 S1-1 42861 HWY 242 0.020 0.018 0.016 0.014
4Q2014 Nov 13, 2014 2DBP-01 S1-1 42861 HWY 242 0.019 0.022 0.017 0.018
3Q2014 Aug 07, 2014 2DBP-01 S1-1 42861 HWY 242 0.020 0.017 0.018 0.016
2Q2014 May 01, 2014 2DBP-01 S1-1 42861 HWY 242 0.016 0.021 0.014 0.019
1Q2014 Feb 06, 2014 2DBP-01 S1-1 42861 HWY 242 0.011 0.010
4Q2013 Nov 14, 2013 2DBP-01 S1-1 42861 HWY 242 0.008 0.006