Wastewater Treatment and Disposal System for a Vegetable Processing Facilityby Clain A. Jones, Harding Lawson Associates, Seattle, United States,
Martin E. Harper, Harding Lawson Associates, Seattle, United States,
Bard Horton, Harding Lawson Associates, Seattle, United States,
Thomas J. Smayda, Harding Lawson Associates, Seattle, United States,
Abstract: The authors describe the implementation of a wastewater management system designed to dispose of up to 2.1 million gallons of vegetable processing wastewater generated per day at Bellingham Frozen Foods. Intensive surface and groundwater quality investigations were undertaken to determine the effects of land application of wastewater on the underlying ground water and an adjacent salmon-spawning stream. A year-long baseline monitoring program was implemented to evaluate pre-application site conditions. After waste characterization and environmental quality studies were completed, the wastewater management system was designed consisting of a 2-million-gallons-per-day pump station; six miles of 16-inch pipeline for conveyance; a 215-acre agricultural irrigation system; and a 20-million gallon lagoon for treatment and storage. Six months of monitoring data collected to evaluate any environmental impact to existing water quality, soil conditions, or organisms during the first spray season, revealed no impacts to there receptors.
Subject Headings: Wastewater management | Wastewater treatment plants | Systems management | Groundwater quality | Water treatment plants | Industrial wastes | Waste storage
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