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Ground-water quality near the northwest 58th Street solid-waste disposal facility, Dade County, Florida

Water-Resources Investigations Report 78-45

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Abstract

The Northwest 58th Street solid-waste disposal facility, 3 miles west of a major Dade County municipal water-supply well field, overlays the Biscayne aquifer, a permeable, solution-riddled limestone which transmits leachates eastward at a calculated rate of 2.9 feet per day. A discrete, identifiable leachate plume has been recognized under and downgradient from the waste disposal facility. Concentrations of sodium, ammonia, and dissolved solids decreased with depth beneath the disposal area and downgradient in response to an advective and convective dispersion. At a distance of about one-half downgradient, the rate of contribution of leachate from the source to the leading edge of the plume was about equal to the rate of loss of leachate from the leading edge of the plume by diffusion and dilution by rainfall infiltration during the period August 1973 - July 1975. Heavy metals and pesticides are filtered, adsorbed by aquifer materials, or are precipitated near the disposal area. (Woodard-USGS)

Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Ground-water quality near the northwest 58th Street solid-waste disposal facility, Dade County, Florida
Series title:
Water-Resources Investigations Report
Series number:
78-45
Edition:
-
Year Published:
1978
Language:
ENGLISH
Publisher:
U.S. Geological Survey,
Description:
vi, 61 p. :ill., maps ;26 cm.