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OR41
PWS ID: 01426 ---- VALLEY VISTA WATER IMPROV DIST
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)
07/01/2012 09/30/2012 3Q2012 EP FOR WELLS #1 & #2 EP-A0.000
04/01/2012 06/30/2012 2Q2012 EP FOR WELLS #1 & #2 EP-A0.000
01/01/2012 03/31/2012 1Q2012 EP FOR WELLS #1 & #2 EP-A0.005
10/01/2011 12/31/2011 4Q2011 EP FOR WELLS #1 & #2 EP-A0.011
07/01/2011 09/30/2011 3Q2011 EP FOR WELLS #1 & #2 EP-A0.015
04/01/2011 06/30/2011 2Q2011 EP FOR WELLS #1 & #2 EP-A0.016
01/01/2011 03/31/2011 1Q2011 EP FOR WELLS #1 & #2 EP-A0.019
10/01/2010 12/31/2010 4Q2010 EP FOR WELLS #1 & #2 EP-A0.019
07/01/2010 09/30/2010 3Q2010 EP FOR WELLS #1 & #2 EP-A0.020
04/01/2010 06/30/2010 2Q2010 EP FOR WELLS #1 & #2 EP-A0.020
01/01/2010 03/31/2010 1Q2010 EP FOR WELLS #1 & #2 EP-A0.016
10/01/2009 12/31/2009 4Q2009 EP FOR WELLS #1 & #2 EP-A0.018
07/01/2009 09/30/2009 3Q2009 EP FOR WELLS #1 & #2 EP-A0.013
04/01/2009 06/30/2009 2Q2009 EP FOR WELLS #1 & #2 EP-A0.010
01/01/2009 03/31/2009 1Q2009 EP FOR WELLS #1 & #2 EP-A0.009



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