OHA Drinking Water Services
OR41
PWS ID: 00453 ---- LA GRANDE, 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
4Q2014 Oct 01, 2014 2DBP-01 NAT GUARD MAINT 0.002 0.001 0 0
4Q2014 Oct 01, 2014 2DBP-02 2016 Y AVE 0.001 0.002 0 0
4Q2014 Oct 01, 2014 2DBP-03 707 HILLCREST DR 0.002 0.003 0 0
4Q2014 Oct 01, 2014 2DBP-04 EVERGREEN ADAMS 0.001 0.001 0 0
3Q2014 Jul 09, 2014 2DBP-01 NAT GUARD MAINT 0.003 0.002 0 0
3Q2014 Jul 09, 2014 2DBP-02 2016 Y AVE 0.001 0.001 0 0
3Q2014 Jul 09, 2014 2DBP-03 707 HILLCREST DR 0.002 0.002 0 0
3Q2014 Jul 09, 2014 2DBP-04 EVERGREEN ADAMS 0.002 0.001 0 0
2Q2014 Apr 09, 2014 2DBP-01 NAT GUARD MAINT 0.003 0.003 0 0.001
2Q2014 Apr 09, 2014 2DBP-02 2016 Y AVE 0.001 0.001 0 0
2Q2014 Apr 09, 2014 2DBP-03 707 HILLCREST DR 0.001 0.001 0 0
2Q2014 Apr 09, 2014 2DBP-04 EVERGREEN ADAMS 0.002 0.003 0 0
1Q2014 Jan 15, 2014 2DBP-01 NAT GUARD MAINT 0.003 0
1Q2014 Jan 15, 2014 2DBP-02 2016 Y AVE 0.001 0
1Q2014 Jan 15, 2014 2DBP-03 707 HILLCREST DR 0.001 0
1Q2014 Jan 15, 2014 2DBP-04 EVERGREEN ADAMS 0.002 0
4Q2013 Oct 09, 2013 2DBP-01 NAT GUARD MAINT 0.001 0
4Q2013 Oct 09, 2013 2DBP-02 2016 Y AVE 0.001 0
4Q2013 Oct 09, 2013 2DBP-03 707 HILLCREST DR 0.001 0
4Q2013 Oct 09, 2013 2DBP-04 EVERGREEN ADAMS 0.001 0