OHA Drinking Water Services
OR41
PWS ID: 95427 ---- OSU EXPERIMENT CENTER
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
4Q2020 Nov 23, 2020 2DBP-01 569 HANLEY ROAD 0.008 0
3Q2020 Aug 24, 2020 2DBP-01 569 HANLEY ROAD 0.009 0
2Q2020 2DBP-01 569 HANLEY ROAD 0.011 0
1Q2020 Mar 23, 2020 2DBP-01 569 HANLEY ROAD 0.011 0