McDaris, John RFeinberg, Joshua MRunkel, AnthonyLevine, JonathanAlexander Jr., E. CalvinKasahara, Sophie2021-11-232021-11-232021-11-23https://hdl.handle.net/11299/225351The 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.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.CC0 1.0 Universalchloridegroundwaterurban water qualityDatasethttps://doi.org/10.13020/jxx7-1k60