water

2016 AGI Critical Issues Forum: Final Report

Widespread use of groundwater for irrigation in the United States emerged in the early- and mid-20th century, with withdrawals growing for decades subsequent as more — and higher capacity — wells were drilled. Access to abundant groundwater allowed farmers to grow more food on more land and to better withstand crop-withering droughts. The ensuing agricultural boom fed a growing U.S. population and fueled increasing national health, prosperity and food security. Today, roughly 11 percent of U.S.

Interactive map of groundwater levels and subsidence in the Houston-Galveston area

The U.S. Geological Survey provides an interactive map that allows users to view changes in groundwater levels and associated land subsidence since 1977 in the Houston-Galveston area.

The map uses annual data from over 800 wells, and shows changes in water levels in three major aquifers in the region: the Chicot, Evangeline, and Jasper aquifers.

Interactive map of water wells in South Dakota

The South Dakota Department of Environment and Natural Resources provides an interactive map of water wells in the state based on water well completion reports. Users can search for wells by place, ownership, well type, driller, and date of completion.

By clicking on an individual well, you can access well data and the completion report. All data and reports can be downloaded for further use. The interactive map also provides a searchable database of drillers and pump installers in the state.

NGWA Monitoring Uptick in Exempt Well Issues #water

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The National Ground Water Association (NGWA) published an article tracking cases on issues related to quantity of water and land use. Initially this was an issue faced by well owners in western states, but these cases are now appearing in the eastern U.S. as well. The article discusses five cases going through various states right now.

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