Contains a report and accompanying maps to be used with the Pesticide Management Plans for local, state, and federal government agencies and agricultural pesticide users, giving a base of information concerning sensitivity and vulnerability of ground water.

This report characterizes the relationship of geology to groundwater occurrence and flow, with emphasis on determining the thickness of the valley-fill aquifer and water yielding properties of the fractured rock aquifers. Develops a water budget for the drainage basin and classifies the groundwater quality and identifies the likely sources of nitrate in groundwater.