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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

Abstract:

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 | Water treatment | Pumping tests | Hydraulic models | Hydraulic conductivity | Groundwater flow | Data analysis | Arizona | United States

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