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Cam" <br />equipment was moved off and an investigation begun to determine reasons for the failure. <br />It is anticipated that additional attempts to make connection with either cavity #1A or <br />cavity #3A will be made during the first part of 2002. <br />During December 2001, the flow performance of cavity #1A began to decline. It is <br />believed that some damage has occurred to the casing or inlet screen allowing shale <br />debris to build up in the horizontal lateral section. A workover is planned for early 2002 <br />to improve performance. <br />Summary of WRN wells is as follows: <br />As of 1H2O02 Eight active production wells <br />Seven shut in production wells (one lacking connection to cavities) <br />Seventeen active monitoring wells <br />One shut in sonar access well <br />Two active subsidence/WL monitoring wells <br />One raw water supply well <br />Refer to Table 4-1 for names and descriptions of all existing wells. <br />4.1.7. Other Activities <br />The potientiometric levels monitored in the surrounding Dissolution Surface aquifer <br />monitoring wells provided continuous data, which was used to manage production/ <br />recovery operations at each of the active cavities. Throughout the year injection and <br />recovery rates were adjusted to maintain monitoring well levels to historic levels. <br /> <br />14 <br />