Effects of Effluent Spray Irrigation and Sludge Disposal on Ground Water in aKarst Region, Northwest Pinellas County, Florida

摘要

The report describes the effects of effluent spray irrigation and sludge disposalon ground water in the vicinity of the North Plant sewage-treatment and disposal site in northwestern Pinellas County. The specific objectives of the study were to determine (1) the extent to which effluent and sludge disposal operations have affected the quality of the ground water at and downgradient from the disposal site; and (2) if fertilizer, herbicides and insecticides, and effluent applied at a resort east of the disposal site are moving through the ground-water system into the site.