Treatment Efficiency of Waste Stabilization Ponds

by Kenneth A. Mangelson, Asst. Prof. of Civ. Engrg.; South Dakota School of Mines and Technol., Rapid City, SD,
Gary Z. Watters, Assoc. Prof. of Civ. Engrg.; Utah State Univ., Logan, UT,

Serial Information: Journal of the Sanitary Engineering Division, 1972, Vol. 98, Issue 2, Pg. 407-425

Document Type: Journal Paper


A practical method is given for evaluating the influence of the hydraulics on waste water pond performance. The analysis is based on time-concentration data collected at the outlet for tracer tests performed on prototype ponds and on a hydraulic model. Time-concentration data were collected for many pond designs to evaluate the importance of depth distortion, Reynolds Number, inlets and outlets, length-to-width ratios, and baffling. These data were then coupled with the first order reaction equation to determine the expected treatment efficiency for the different pond designs.

Subject Headings: Waste stabilization ponds | Ponds | Data collection | Hydraulic models | Hydrologic data | Probe instruments | Distortion (structural) | Reynolds number

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