Private well testing is an evidence-based strategy to reduce risks from exposure to harmful contaminants. It is a primary way contaminants can be detected, potential for health risks can be estimated, and actions taken.

In Eastern Wisconsin, water levels over large regions have decreased due to many wells pumping from beneath a confining layer. This combination of geology and cumulative pumping from the wells has resulted in a large regional drawdown cone centered around Brown County, Wisconsin.

The goal of this project was to develop a sampling and testing algorithm to support the new site assessment requirements under the Revised Total Coliform Rule (RTCR) consistent with the “find and fix” goals of the Wisconsin Department of Natural Resources (WDNR).

Enteric viruses, because of their small size, have a high potential to move deeply through the subsurface environment, penetrate aquitards, and reach confined aquifers.

This report documents data and information gathering efforts for 2013 through 2015 that support groundwater management activities in the Wisconsin central sands.

The need to protect watersheds from fecal contamination has led to an investigation of monitoring toolsto supplement coliform/E. coli measurements. A suite or toolbox of tests developed to s...