Twin Cities Metropolitan Area Groundwater Chloride Data, 1965-2021



This dataset is compiled from 55 years of groundwater quality testing work done by the Minnesota Pollution Control Agency, the Minnesota Department Natural Resources, and the Minnesota Department of Health.

The data includes well identifier and location, date(s) of sampling, chloride concentration, aquifer unit sampled, and the thickness of clay present in overlying quaternary deposits.
Date made availableNov 23 2021
PublisherData Repository for the University of Minnesota
Date of data productionJul 1 1965 - Aug 24 2021

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