Door County – UW-Oshkosh’s Environmental Research and Innovation Center is conducting a groundwater study in Door County as a continuation of the studies it undertook in fall 2019 and 2020. The goals are to build a database of groundwater quality in Door County and to educate property owners about the importance of testing well water.

The testing parameters include bacteria (total coliforms/E. coli) and nitrate for a discounted cost of $30 for the first 250 registrants; the cost for those registering after the first 250 will be $45. Participants will also have the option to add arsenic and cumulative tests (pH, hardness, alkalinity and iron) for an additional $25. 

Registrants will receive their sample kits by mail following receipt of payment for their chosen tests. Sign up by Sept. 10 by filling out an online form at 

A video-call forum will be held to provide information about collecting and dropping off samples. Sample collection for all participants will be Oct. 8 and 9, with drop-off times and locations sent along with the sample kit.

The study is a cooperative effort between UW-Oshkosh and Door County, with funding provided by Door County Public Health, the Door County Soil and Water Conservation Department and Door County Medical Center.

Questions? Contact Carmen Thiel at [email protected] or 920.424.0182.