Environmental Management
- Webpage
Central Sands Lakes Study
In the past several decades, we have witnessed low water levels in water resources throughout the Central Sands, driven by changes in weather and land use. Due to concern about groundwater pumping from high-capacity wells, the DNR collaborated with…
- Webpage
High capacity well application and instructions
A high capacity well is a well that has the capacity to withdraw more than 100,000 gallons per day, or a well that, together with all other wells on the same property, has a capacity of more than 100,000 gallons per day. Residential wells and fire…
- Webpage
High capacity wells
A high capacity well is a well that has the capacity to withdraw more than 100,000 gallons per day, or a well that, together with all other wells on the same property, has a capacity of more than 100,000 gallons per day. Residential wells and fire…
- Webpage
Heat exchange drilling (geothermal systems)
Heat exchange drilling in Wisconsin requires a license.
- Webpage
Well filling and sealing
Abandoned or unused wells pose a great threat to the safety and quality of groundwater drinking water supplies. An unused well provides a direct path for contaminants and pollutants to the underground aquifers that supply working wells. Wells must…
- Webpage
Water Quality-Based Effluent Limitations (WQBELs)
Water quality-based effluent limitations are calculated in order to insure that discharges to waters of the state are in compliance with water quality standards. Water quality standards include water quality criteria (such as those in chs. NR 102 […
- Webpage
Variances to water quality standards
Wastewater discharges to surface water covered under Wisconsin Pollution Discharge Elimination System (WPDES) permits may be subject to water quality-based effluent limits (WQBELs). Under certain circumstances, these WQBELs may not be attainable…
- Webpage
Tools for Adaptive Management and Water Quality Trading
Subscribe to phosphorus rule updatesThe following resources may assist you in developing adaptive management and water quality trading plans.
- Webpage
Statewide Phosphorus Multi-Discharger Variance
Eligibility County resources Implementation -->The multi-discharger variance (MDV) for phosphorus extends the timeline for complying with low-level phosphorus limits.
- Webpage
Implementation
If a point source meets the eligibility requirements and requests the multi-discharger variance (MDV) for phosphorus, their Wisconsin Pollution Elimination Discharge System (WPDES) permit will, upon approval, be modified or reissued with the…