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OR41
PWS ID: 92597 ---- USFS CLACKAMAS LAKE WS
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)
04/01/2011 06/30/2011 2Q2011 EP FOR WELL (CLAC 015049) EP-A0.000
07/01/2010 09/30/2010 3Q2010 EP FOR WELL (CLAC 015049) EP-A0.000
04/01/2010 06/30/2010 2Q2010 EP FOR WELL (CLAC 015049) EP-A0.000



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