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APP 2 31980 FoaK: 43 FAA70 Please note that, as presented in the Geraghty & Miller's summary, Alternate No. 1 (Scenario II) is less costly than Alternate No. 2 (Scenario III) for the testing program. The final requirements are three production wells for the Phase I construction program. Therefore, potential saving for Alternative No. 2 program is about $16,100 plus additional inflation cost if the remaining (second and/or third) production well is to be constructed in mid -year 1981. We are recommending that the County proceed with the test program based on Alternative No. 2 (Geraghty & Miller's Scenario III) utilizing a production well for an observation well and constructing the third production well during the last part of the te9t well program. We will present the above and other findings and recommendations in cdnjunction with the Test Well Program to the Commission on April 23, 1980. Please call if you have any -questions. Sincerely, Ralph E.`Eng, P.E. For the Joint Venture COMMISSIONER WODTKE INQUIRED ABOUT THE DEPTH OF THE OBSERVA- TION WELL, AND MR. TESSIER EXPLAINED THAT THE TYPE 3 OBSERVATION WELL IS THE SAME DEPTH AS THE PRODUCTION WELL. ONE OF THE REASONS THAT IT IS SO COSTLY IS THAT THE CASING HAS TO BE CEMENTED ALL THE WAY BACK UP TO THE LAND SURFACE,AND SO IT IS ABOUT TWICE WHAT YOU HAVE TO PAY FOR A REGULAR IRRIGATION WELL. INTERGOVERNMENTAL COORDINATOR THOMAS ASKED IF THAT MONEY IS RECOVERABLE WHEN WE HAVE THE GRANT, AND MR. ENG STATED THAT IT IS: ALL OF THIS IS ALLOCATED IN THE BUDGET, INCLUDING THE ENGINEERING. COMMISSIONER LYONS INQUIRED WHETHER THE TEST WELL PROGRAM WAS BEING CONDUCTED FOR US OR FOR THE ST. .JOHN'S WATER MANAGEMENT DISTRICT. MR. ENG EXPLAINED THAT IT IS ABOUT 20% FOR US AND 80% RE- QUIRED BY THE WATER MANAGEMENT DISTRICT. WE NEED TO DETERMINE WHAT IS A SAFE PUMPING RATE FROM THESE WELLS AND THE QUANTITY OF FLOW WE CAN OBTAIN: ALL THE TECHNICAL DATA IS NECESSARY TO OBTAIN THE CONSUMP- TIVE USE PERMIT FROM THE WATER DISTRICT. 116