OHA Drinking Water Services
OR41
PWS ID: 01449 ---- MARSHLAND WATER ASSOCIATION
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)
07/01/2010 09/30/2010 3Q2010 EP FOR WELL (COLU839) EP-A0.014
04/01/2010 06/30/2010 2Q2010 EP FOR WELL (COLU839) EP-A0.014
01/01/2010 03/31/2010 1Q2010 EP FOR WELL (COLU839) EP-A0.014
10/01/2009 12/31/2009 4Q2009 EP FOR WELL (COLU839) EP-A0.013
07/01/2009 09/30/2009 3Q2009 EP FOR WELL (COLU839) EP-A0.013
04/01/2009 06/30/2009 2Q2009 EP FOR WELL (COLU839) EP-A0.012
01/01/2009 03/31/2009 1Q2009 EP FOR WELL (COLU839) EP-A0.014
10/01/2008 12/31/2008 4Q2008 EP FOR WELL (COLU839) EP-A0.014
07/01/2008 09/30/2008 3Q2008 EP FOR WELL (COLU839) EP-A0.014
04/01/2008 06/30/2008 2Q2008 EP FOR WELL (COLU839) EP-A0.014
01/01/2008 03/31/2008 1Q2008 EP FOR WELL (COLU839) EP-A0.007



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