Baseline Water-Quality Data for Sand-Plain Aquifers in Hubbard, Morrison, Otter Tail, and Wadena Counties, Minnesota

Baseline Water-Quality Data for Sand-Plain Aquifers in Hubbard, Morrison, Otter Tail, and Wadena Counties, Minnesota

1982

Development of water supplies from surficial sand-plain aquifers in west central Minnesota has aroused public awareness of the possibility for degradation of water quality. The sand-plain areas are generally underlain by sandy soils that permit rapid infiltration of precipitation and, possibly, of surface contaminants. One hundred twenty-three wells were sampled in Hubbard, Morrison, Otter Tail, and Wadena Counties during 1979-81 to establish regional baseline water quality. The wells were chosen to provide optimum area! coverage based on geology, direction of ground-water flow, and extent of aquifer development. Water from the sand-plain aquifers is of the calcium bicarbonate type. The water is hard to very hard with disolved solids ranging from about 100 to 700 milligrams per liter. Locally, concentrations of dissolved solids, iron, manganese, and nitrate exceeded limits recommended by the Minnesota Pollution Control Agency for drinking water.

U.S. Department of the Interior
U.S. Geological Survey
Soil and Water Conservation Districts of Hubbard, Morrison, Otter Tail, and Wadena Counties
Minnesota Department of Natural Resources

U.S. Geological Survey

111

Water Quality & Pollutants
Groundwater

Water quality
Sand-Plain aquifer
Aquifer
Hubbard
Morrison
Otter Tail
Wadena

Hubbard
Morrison
Otter Tail
Wadena

1980-1989

No

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