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Most wells drilled in valley bottoms are adequate for a modern domestic supply. Nearly three-quarters of the wells drilled on hillsides are adequate for a domestic supply, except in the northern third of the county where only half of drilled wells on hillsides produce enough water for domestic use. Wells on hilltops and ridges yield smaller quantities of water. In the central and southern two-thirds of the county, drilled wells more than 200 feet deep in valleys may yield enough water for small municipal or industrial supplies. Groundwater from most drilled wells in this area is moderately to extremely hard and contains noticeable amounts of iron. Salty water may be found in wells drilled less than 100 feet below the level of the principal valley bottoms, except in the northern third of the county, where salty water can be found as shallow as 50 feet. A few springs supply enough water for domestic use. Almost all springs yield less than 5 gallons per minute. |
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