OHA Drinking Water Services
OR41
PWS ID: 95404 ---- US MARKET #450
Arsenic Running Annual Averages

Results shown are only for quarterly or monthly monitoring schedules.
Averages are subject to change as new data is taken into consideration.

Arsenic MCL = 0.010 mg/L. MCL exceedances are indicated with red text.

MP Begin MP End MP Name Location Sample
Point		 Arsenic RAA
(mg/L)
10/01/2009 12/31/2009 4Q2009 EP FOR WELL EP-A0.003
07/01/2009 09/30/2009 3Q2009 EP FOR WELL EP-A0.003