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I I. I I I I I I I Ie I I I I I I I. I I 2.0 Key Study Questions 2. I Meeting with the State Engineer's Office On October 16, 1996, a meeting was held with personnel from the State Engineer's Office (SEO) to discuss the Senate Bill 96-153 work. Following the direction of Senate Bill 96-153 the key questions for the Phase 2 study were agreed upon at this meeting. The key questions are: 1. How does the pumping water level in a Denver Basin aquifer well decline over time? 2. How do the declines in pumping water levels in Denver Basin aquifer wells effect groundwater production rates over time? 3. What is the cost of maintaining groundwater production levels over time? 3.0 Availability of Well Pumping Data 3. I. Denver Basin Aquifer Groundwater Production Data It is clear that better information on Denver Basin aquifer groundwater production would be helpful in the evaluation of the economic life issue. Owners and operators of fee wells are required to maintain groundwater production records. It is not required that these records be submitted to the SEO unless they are requested. Previous efforts by the State Engineer's Office to obtain Denver Basin aquifer groundwater production information have not been successful. Some current information on municipal production from the Denver Basin aquifers was obtained as a part of the Metro Water Supply Investigation. Arapahoe and Douglas Counties have assembled estimates of municipal Denver Basin aquifer groundwater production. The estimate of municipal well production from the Denver Basin aquifers in Douglas and Arapahoe Counties is 22,000 af/yr. Gathering and compiling data from all fee wells is well beyond the scope of this project. The study will rely on production estimates developed by previous investigators or current production rates at individual wells. 3 HRS WATER CONSUlTANTS, INC