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In the southern half of Todd County, more than three-quarters of the drilled wells in the uplands are adequate for a domestic supply. Yields as high as 50 gallons per minute have been reported from wells penetrating large solution channels. In the low-lying areas of the Elk and West Forks of the Red River and along Spring Creek, most wells are inadequate for domestic use, unless the well intercepts a major solution opening in the limestone; in that case, the yield could be very large. Groundwater in the northern half of the county is not as prevalent as in the southern half of the county. Most wells in the northern half of the county are inadequate for a domestic supply. Some wells in sandstone formations yield enough water for a domestic supply. Springs with flows ranging from a few gallons per minute to 3,000 gallons per minute are found in the county. Minimum flows generally occur in early fall; maximum flows, in late winter. |
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