OHA Drinking Water Services
OR41
PWS ID: 00237 ---- HILLTOP IMPROVEMENT DISTRICT
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)
10/01/2011 12/31/2011 4Q2011 POU FOR ARSENIC REMOVAL POU-190.000
07/01/2011 09/30/2011 3Q2011 POU FOR ARSENIC REMOVAL POU-190.000
04/01/2011 06/30/2011 2Q2011 POU FOR ARSENIC REMOVAL POU-190.000
10/01/2010 12/31/2010 4Q2010 EP for WELL EP-A0.018
07/01/2010 09/30/2010 3Q2010 EP for WELL EP-A0.015
04/01/2010 06/30/2010 2Q2010 EP for WELL EP-A0.019
01/01/2010 03/31/2010 1Q2010 EP for WELL EP-A0.019
10/01/2009 12/31/2009 4Q2009 EP for WELL EP-A0.018
07/01/2009 09/30/2009 3Q2009 EP for WELL EP-A0.018
04/01/2009 06/30/2009 2Q2009 EP for WELL EP-A0.017
01/01/2009 03/31/2009 1Q2009 EP for WELL EP-A0.014
10/01/2008 12/31/2008 4Q2008 EP for WELL EP-A0.014
07/01/2008 09/30/2008 3Q2008 EP for WELL EP-A0.016
04/01/2008 06/30/2008 2Q2008 EP for WELL EP-A0.016
01/01/2008 03/31/2008 1Q2008 EP for WELL EP-A0.016
10/01/2007 12/31/2007 4Q2007 EP for WELL EP-A0.018
07/01/2007 09/30/2007 3Q2007 EP for WELL EP-A0.017




More information for this water system: SDWIS ID 3280
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