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<br />C. E. Johnston <br />-2- <br />October 11, 1994 <br />Section II• <br />Recommendations: <br />1. The total depth for each piezometer will be provided in future <br />AHRs. <br />Observations: <br />1. The units presented in the AHR for flow measurements in <br />Hubbard Creek were incorrect. The flow measurements are <br />converted to cubic feet per second (cfs) not gallons per <br />minutes. I apologize for this mistake. A flume or weir would <br />have to be constructed to more accurately measure the flow in <br />Hubbard Creek. This type of device is typically washed out or <br />destroyed during spring run-off so it would be a constant <br />maintenance problem. Considering the fact that the depletion <br />of the flow in Hubbard Creek is not an issue, the current <br />method of estimating the flow in Hubbard Creek is considered <br />acceptable. <br />Please call if you have any questions. <br />Sincerely, <br />'Jim Stov~.E. <br />Chief Engineer <br />