Effect of Pump-Ins on California Aqueduct Water Quality

by B. Auchard,
C. Edwards,
M. Morris,
J. R. Phillips,
L. A. Soo,
Sun Liang,

Document Type: Proceeding Paper

Part of: North American Water and Environment Congress & Destructive Water


A model has been developed, based on the assumption of constant Aqueduct volume, to predict the effect of ground water pump-ins on Aqueduct water quality. Designated SuperCAMP (California Aqueduct Modeling Package), the model divides the Aqueduct into a series of stirred tank reactors along the Aqueduct to a minimum length of 100 feet or a maximum of 32,000 elements. The computer model is a Microsoft Windows-based program with a user-friendly graphical interface. Predictions have been verified against historical data for conservative constituents; sulfate, chloride, and electrical conductivity. Furthermore, SuperCAMP has been compared to the results of a previously developed model, CAMP, which was based on the assumption of constant linear flow velocity in the Aqueduct. During the test periods selected pump-in flow ranged from 0 to 41 percent of total Aqueduct flow. Over a three month period as many as 75 pump-ins and 75 deliveries might take place.

Subject Headings: Aqueducts | Water quality | Computer models | Pumps | Groundwater quality | Water resources | Linear flow | California | United States

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