Document Type

Peer-Reviewed Article

Publication Date

2003

Journal Title or Book Title

Journal of Environmental Science and Health. Part A: Toxic Hazardous Substances and Environmental Engineering

Volume

38

Issue

9

Version

Post-Print

Publisher's Statement

This is an Accepted Manuscript of an article published by Taylor & Francis in Journal of Environmental Science and Health Part A in 2003, available online: http://www.tandfonline.com/doi/full/10.1081/ESE-120022891.

DOI

10.1081/ESE-120022891

Abstract

The current study was undertaken to characterize the East and West Ponds and develop a mathematical model of the effects of nutrient and BOD loading on dissolved oxygen (DO) concentrations in these ponds. The model predicted that both ponds will recover adequately given the average expected range of nutrient and BOD loading due to waste from surface runoff and migratory birds. The predicted dissolved oxygen levels in both ponds were greater than 5.0 mg/L, and were supported by DO levels in the field which were typically above 5.0 mg/L during the period of this study. The model predicted a steady-state NBOD concentration of 12.0–14.0 mg/L in the East Pond, compared to an average measured value of 3.73 mg/L in 1994 and an average measured value of 12.51 mg/L in a 1996–97 study. The model predicted that the NBOD concentration in the West Pond would be under 3.0 mg/L compared to the average measured values of 7.50 mg/L in 1997, and 8.51 mg/L in 1994. The model predicted that phosphorus (as ) concentration in the East Pond will approach 4.2 mg/L in 4 months, compared to measured average value of 2.01 mg/L in a 1994 study. The model predicted that phosphorus concentration in the West Pond will approach 1.00 mg/L, compared to a measured average phosphorus (as ) concentration of 1.57 mg/L in a 1994 study.

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