Analysis of Hydraulic Impacts at the Tucson Reclaimed Water Recharge Project

by Peter A. Mock, CH2M Hill Inc, United States,

Document Type: Proceeding Paper

Part of: Artificial Recharge of Ground Water


The Tucson Reclaimed Water Recharge site has been implemented with increasingly sophisticated calculation methods as data collection efforts advanced. Initial project scoping utilized driller's logs and analytical, two-dimensional mounding calculations prior to extensive on-site drilling and testing. The results of a long-term aquifer test at the site indicated that the ratio of horizontal to vertical hydraulic conductivity was on the order of 50:1. Such anisotropy was again indicated during fresh water testing with shallow spreading basins. Ground water level rises were greater than predicted with the two-dimensional analytical solution. A three-dimensional finite difference ground water flow model was calibrated to water-level data from the aquifer test and fresh-water basin tests.

Subject Headings: Water reclamation | Data analysis | Project management | Hydraulics | Pumping tests | Hydraulic conductivity | Groundwater flow | Hydraulic models | Arizona | United States

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