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Look up
data about the quality of groundwater near homes or businesses or get an estimate of groundwater availability.
Protect
the quality and quantity of groundwater for your family, business customers and community.
Learn
where your groundwater comes from and how it moves underground to reach your drinking water well and the lakes and streams you enjoy.

GCC Report to the Legislature Progress Portfolio

This portfolio features fundamental progress made on key groundwater issues that are consistently identified as priorities in the Groundwater Coordinating Council's annual recommendations. Since 1984, the state and federal agencies that partner as the GCC have worked together to address these themes. These profiles highlight how agency collaboration and special projects funded by GCC agencies protect the environment, the economy and public health at the local, regional and state levels.

Protecting Groundwater from Nonpoint Contamination

Photo of groundwater

Flooded fields after manure spreading can quickly carry
nitrogen and other nonpoint source pollution to groundwater.
Photo credit: DNR.

Protecting groundwater from nonpoint source contamination is a complex management challenge due to the difficulty in identifying relative contributions from sources, the inherent variability in landscape characteristics and the often slow response time of groundwater. The GCC has made progress on protecting groundwater from nonpoint source contamination, especially:

  • the herbicide atrazine;
  • other pesticides & their metabolites; and
  • nitrate.

» Read more.


Understanding Natural Geochemistry

Photo of geological formation

Photo credit: WGNHS

A complex combination of geochemical factors affects whether or not an element in a geologic formation will leach into groundwater at dangerous levels. The GCC has made progress understanding natural geochemistry across the state, especially with respect to:

  • Arsenic in northeast and southeast Wisconsin;
  • Radium in southeast Wisconsin; and
  • Chromium in Dane County.

» Read more.


Tracking Pathogens to Their Source

Photo of cows in a field

Pathogens from human sewage and animal waste are among the oldest and most ubiquitous drinking water contaminants, but our understanding of how they reach groundwater supplies is continually evolving. The GCC has made progress identifying the sources and transport pathways of:

  • human enteric viruses; and
  • fecal bacteria.

» Read more.


Predicting and Responding to Drought and Flood

Photo of flooded field

Flooding in Spring Green, WI in June 2008. Photo credit: WI
ASCE

Floods and droughts are part of life in Wisconsin and elsewhere, but they come with significant economic, public health and environmental costs. The GCC has enhanced the state's ability to predict and respond to these extreme weather events through:

  • advancing models that can evaluate the biophysical effects of different irrigation strategies and climates; and
  • facilitating local climate and health community engagement processes through the BRACE program.

» Read more.


Fostering Public Awareness

Photo of teacher

Photo credit: Doug Gouff

It's challenging to visualize and intuit how groundwater works and how our actions affect it. GCC has made progress in fostering public awareness through:

  • Teacher Training Workshops for sand tank groundwater models;
  • the Buried Treasure publication; and
  • outreach by the health sector to overcome barriers to private well testing.

» Read more.


Creating Community Based Solutions

Photo of watertower

Communities across the state are united in their dependence on groundwater, but hydrogeologic settings and pressures on groundwater resources are unique to each locality. The GCC has made progress in empowering local communities to design groundwater solutions that make sense for them with:

  • comprehensive planning resources;
  • the Environmental Public Health Tracking public portal; and
  • targeted support for source water protection.

» Read more.


Last revised: Thursday August 30 2018