Hydrologic data for a subsurface waste-injection site at Mulberry, Florida, 1972-76

William Edward Wilson

doi:10.3133/ofr77511

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Hydrologic data for a subsurface waste-injection site at Mulberry, Florida, 1972-76

William Edward Wilson

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Abstract

Beginning in October 1972, industrial waste has been injected into a limestone and dolomite brine aquifer 4,000-5,000 feet below land surface. During October 1975 through December 1976, the injection rate was about 8.2 million gallons per month. To determine what effect, if any, the injected waste is having on the ground-water body, water levels have been measured and water samples collected from two monitor wells that tap two different permeable zones above the injection zone, and from a satellite monitor well that taps the injection zone. The two monitor wells are installed in the annulus of the injection well and the satellite monitor well is 2,291 feet distant from the injection well. Water levels in the satellite monitoring well fluctuate in response to changes in the injection rate. Water levels in the monitor wells fluctuate in response to variations in recharge to and discharge from aquifers above the injection interval, from seasonal rainfall and from well discharge. In the shallow annulus monitor well, water levels fluctuate about 25 feet annually compared with about 2 feet in the deep annulus monitor well. Chemical analyses of water samples from all monitor wells show variations in concentration of constituents from time to time but no overall change.

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Source-reported bounding extent: 24.546468° to 31.000682° latitude; -87.634938° to -80.031362° longitude. This indicates report coverage, not an exact sampling location. View area on OpenStreetMap.

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William Edward Wilson. 1977. Hydrologic data for a subsurface waste-injection site at Mulberry, Florida, 1972-76. https://doi.org/10.3133/ofr77511

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