Surface Water Quality Modeling in the Rio Grande

by Nicole Seguin, Benchmark Environmental Corp, Albuquerque, United States,

Document Type: Proceeding Paper

Part of: Water Policy and Management: Solving the Problems


The City of Albuquerque (City) in New Mexico owns and operates the Southside Water Reclamation Plant (SWRP), which discharges an average of 200623 m3/d (53 mgd, 82 cfs) of secondary treated wastewater to Segment 2-105 of the Rio Grande. The City developed a surface water quality model to investigate the impact of the SWRP discharge on the Rio Grande (Seguin 1992). The model was used to assess instream compliance with the State and Pueblo water quality standards. The model will also be used as a wasteload allocation tool and to guide the City's future consideration of additional and/or alternative wastewater treatment to insure compliance with both the State and Pueblo standards. This paper discusses the system modeled, the model development, sampling programs established to calibrate and verify the model, the results of the model, and model applications.

Subject Headings: Urban areas | Water discharge | Surface water | Water quality | Terrain models | Hydrologic models | Water reclamation | Municipal water | Rio Grande | New Mexico | United States

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