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In the lowlands along the Rough River and the valleys draining into Caney Creek, and in the area extending 10 miles east and west from Leitchfield, most drilled wells are adequate for a domestic supply. Yields as high as 100 gallons per minute have been reported from wells penetrating fault zones that are prominent in parts of Grayson County. Depths of adequate wells range from 100 to 300 feet. In the remaining areas of the county, only a few wells yield enough water for a domestic supply, except in the lowland areas bordering streams, where yields are sometimes sufficient for domestic use. |
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