OHA Drinking Water Services
OR41
PWS ID: 00667 ---- RALEIGH WATER DISTRICT
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
4Q2012 Dec 05, 2012 2DBP-01 6500 OLD SCHOLLS 0.025 0.034 0.016 0.022
4Q2012 Dec 05, 2012 2DBP-02 6320 SW SCHOLLS FERRY 0.023 0.033 0.018 0.027
3Q2012 Sep 04, 2012 2DBP-01 6500 OLD SCHOLLS 0.015 0.011
3Q2012 Sep 04, 2012 2DBP-02 6320 SW SCHOLLS FERRY 0.014 0.010
2Q2012 Jun 05, 2012 2DBP-01 6500 OLD SCHOLLS 0.007 0.006
2Q2012 Jun 05, 2012 2DBP-02 6320 SW SCHOLLS FERRY 0.007 0.006