Environmental Management
- Webpage
Arsenic – Occurrence in Wisconsin
Private well sampling Map 2014 - 2019 Beginning in 2014 the department has required arsenic sampling when pump work is done on existing wells. The map is from the 35,000+ samples collected over the first four and a half years. The map depicts the…
- Webpage
Special casing area requirements for arsenic
For Outagamie and Winnebago counties (effective October 1, 2004)
- Webpage
Arsenic
Arsenic is a naturally occurring element found in soil and bedrock throughout Wisconsin. Under certain conditions, arsenic can be released into groundwater and enter water wells. Long-term exposure to arsenic in drinking water is known to increase…
- Webpage
NR 140 Groundwater Quality Standards Update
Subscribe to NR 140 UpdatesAs part of a continuing commitment to protect public health and the environment, the DNR periodically updates groundwater quality standards in ch. NR 140, Wis. Adm. Code.
- Webpage
Wisconsin's groundwater law
Wisconsin's groundwater law, Ch. 160, Wis. Stats., established the framework for a comprehensive approach to protect public health and welfare and the environment. The intent of this law is to minimize the concentration of polluting substances in…
- Webpage
Groundwater Retrieval Network (GRN)
The following are terms used in the Groundwater Retrieval Network (GRN).
- Webpage
The Groundwater Retrieval Network
The Groundwater Retrieval Network (GRN) reports well information and well sample result data from several DNR databases. GRN can help you find information about an individual well or analyze regional or statewide groundwater conditions.
- Webpage
Groundwater Coordinating Council And Agency-Funded Research Highlights
Projects funded by the Groundwater Coordinating Council (GCC), state agencies and the UW have provided valuable information regarding Wisconsin's groundwater resources, helped evaluate existing programs, increased the knowledge of the movement of…
- Webpage
Wisconsin Groundwater Research and Monitoring Program
Wisconsin is recognized as a national leader in groundwater research, which is appropriate given how uniquely important this resource is for public health, the economy and the environment in this state. For example: