"Ammonium from septic-tank effluent under aerobic conditions can convert to
nitrate, contaminating ground water and posing potential health risks to humans (
primarily very young infants). The U.S. Environmental Protection Agency's
maximum contaminant level for drinking water (Utah ground-water-quality
standard) for nitrate is 10 mg/L(for the ranges of ... One way to evaluate the
potential impact of septic-tank systems on ground-wate ..."
"Although the uranium content of outcrops of the Park City Formation near
Bacchus is unknown, rock assays of ... Waddell and others (1987) indicate fine-
grained low permeability sediments are common in the deep valley fill of this
area, and act as a confining bed that ... U.S. Soil Conservation Service (SCS),
now the Natural Resources Conservation Service, mapped soils in western Salt
Lake Valley ..."