99 research outputs found

    Groundwater geology of DeWitt, Piatt, and northern Macon Counties, Illinois

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    Contract report prepared for the Mahomet Valley Water AuthorityOpe

    Report to the California Public Utilities Commission Regarding Ex Parte Communications and Related Practices

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    Part I contains the analysis of existing law. We review the statutes and regulations governing ex parte communications before the CPUC, examine corresponding laws of other jurisdictions, and compare the CPUC statutes and regulations with those of the other jurisdictions. In Part II we examine actual ex parte practices before the CPUC. Based on data obtained from notices filed on the Commission’s website by parties to rate-setting cases, we provide a quantitative characterization of the extent and nature of noticed ex parte communications over the past roughly 22 years. We then place ex parte communications within the context of the CPUC’s proceedings. Part III provides the results of an interview process we undertook to hear the experiences and opinions of people with a stake or an interest in CPUC decision-making, including representatives of regulated utilities, intervenor groups who generally (but not always) appear in CPUC rate-setting cases in opposition to the positions of utilities, companies and industry groups who generally oppose specific utilities’ positions, legislators and legislative staff, public critics of CPUC ex parte practices, CPUC staff (administrative law judges (ALJs), attorneys, and technical staff), and the CPUC Commissioners and their staffs. Then, in Part IV, we present our analysis of this information and our recommendations for changes to statutes, CPUC rules, and Commission practices

    The Neutron star Interior Composition Explorer (NICER): design and development

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    Hydrogeology and Ground-Water Availability in Southwest McLean and Southeast Tazewell Counties Part 2: Aquifer Modeling and Final Report

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    An assessment of the aquifer characteristics and ground-water availability has been completed for one of the largest sand-and-gravel aquifers in Illinois, the Sankoty-Mahomet Sand aquifer, in the confluence area of the Mahomet and Mackinaw Bedrock Valleys in McLean and Tazewell Counties. Based on data gathered during the field portion of the study, a ground-water flow model was developed that simulates the effects of a hypothetical well field for various locations within the study area. It was used to estimate the quantity of ground water that could be withdrawn from the aquifer within the study area. The model was calibrated to match water levels measured in area wells in 1994 and to match the baseflow gains and losses in the Mackinaw River and Sugar Creek. A hypothetical well field, pumping 15 million gallons a day (mgd), was simulated at four locations, The results varied from a maximum drawdown of 8 feet in the Hopedale scenario to 55 feet in the Armington scenario. If a well field similar to the well fields modeled were installed in the study area, as many as 400 private wells may be impacted. In certain areas near the Mackinaw River, a well field would greatly reduce the ground-water portion of baseflow entering the Mackinaw River. Pumping three of the well fields together, at a total rate of 37.5 mgd, indicated that the aquifer should be able to sustain withdrawals in excess of 37.5 mgd if the pumpage is distributed in the study area
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