This emergency order is based on the following factors: 5 e-coli positive samples collected and analyzed on 3/28/2006 and 4 e-coli positive samples collectd on March 29, 2006 which exceeded the maximum contaminant level for total coliform bacteria; EPA's prior determination that structural and operational problems with the wells may indicate that the wells are under the direct influence of surface water; prior e-coli positive and total coliform-positive sample results from the system collected in August 2004; and general unsanitary conditions at the wellhead.