Environmental Management
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Report to the Legislature
The Groundwater Coordinating Council prepares an annual report each year that summarizes the operations and activities of the council, describes the state of the groundwater resource and its management and makes recommendations. The report is due…
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Answers to your questions about groundwater
Approximately two-thirds of the people in Wisconsin obtain their drinking water from groundwater. If your water comes from a well, public or private, you’re one of these people! Groundwater is also essential for Wisconsin’s farm and business…
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Current groundwater standards
Current public health and public welfare groundwater standards are contained in Ch. NR 140, Wis. Adm. Code.
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Air Permit Search
Notice: Update personal bookmarks to the new link for the button below. Air Permit Search
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Air Pollution Control Operation Permit Renewals FAQ
The following questions and answers explain how to submit an air pollution control operation permit renewal application.
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Registration Permit Options
Registration operation permits (ROP) allow low emitting facilities to quickly register for an air permit. The permits contain facility-wide emission caps as well as monitoring, recordkeeping and reporting requirements. All four registration permit…
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Air Program Publications, Guidance and Policy
Policy, procedural and technical guidance related to the Air Program can be found using the portal below. The portal works best in a modern web browser, such as Chrome or Edge.Questions about specific guidance can be directed to Ron Binzley or Maria…
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Air Permit Options
Air permits limit the amount of air pollution a facility is allowed to emit to keep the air clean and healthy. Individual permits are customized to promote environmental compliance and provide a basis for legal enforcement if permit conditions are…
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Permitting Requirements for Nonattainment Areas in Wisconsin
Areas that currently are or have been designated as being in "nonattainment" of a national ambient air quality standard (NAAQS) have more restrictive permitting requirements, and sources in those areas may be subject to more stringent regulations…
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Air Dispersion Modeling
Air dispersion modeling simulates how air pollutants disperse in the atmosphere. Inputs to the model include emissions, stack parameters, meteorological data, terrain and the height of surrounding structures. Dispersion modeling is performed with…