Denver, J.M.2008-04-022008-04-021989-06http://udspace.udel.edu/handle/19716/3166The unconfined aquifer is a major source of water supply in eastern Sussex County, Delaware. It also is an important source of water for surface-water bodies and deeper, confined aquifers. The aquifer consists mainly of permeable sand and gravel; its shallow water table is susceptible to contamination by nitrate and other chemical constituents associated with agricultural practices and effluent from septic systems.en-USeastern Sussex County, Delawareunconfined aquiferwater supplyconfined aquifershallow water tableeffluentseptic systemagricultural practicesTechnical Report