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An index of biological integrity (IBI) is a particularly powerful tool that provides an accurate measure of the condition of the biological communities and are a direct determinant of the attainment of aquatic life uses.
The kind of permit a facility needs depends on how much air pollution the facility could emit based on its equipment or processes.
This long-term data gathering initiative helps track trends in water bodies around the state. The MPCA is grateful for every volunteer who has dedicated time to monitoring their favorite lake or stream.
The AQI was developed to provide a simple, uniform way to report daily air quality conditions.
The MPCA studies, monitors, and regulates water pollutants to protect human health and the environment. Minnesota water quality standards strives to protect water for use, measures health of waters, and guides limits on what regulated facilities can discharge to surface waters.
We come from the stars Nibi Walks: A prayer for the water
The MPCA 401 certification fills a unique niche in protecting water quality by applying state water quality standards to projects.
The Clean Water Council was created to advise the Legislature and the Governor on the administration and implementation of the 2006 Clean Water Legacy Act
Protecting and restoring water quality is one of the MPCA's core areas of focus.
The MPCA has important roles in protecting and restoring waters in degraded conditions.
Water quality trading is a market-based approach to the protection and restoration of surface waters, another tool to be used in conjunction with existing voluntary, regulatory, and financial assistance programs.
The MPCA studies, monitors, and regulates numerous water pollutants to protect human health and the environment. At the state level, three agencies share the monitoring and control of pollutants:the…
Permits help the MPCA protect the environment.
Clean Water Fund dollars come from the Clean Water, Land and Legacy Amendment that Minnesotans approved in 2008.
Southeastern Minnesota is characterized by an unusual type of geography called karst, where the distinction between groundwater and surface water is blurry.
The MPCA monitors and assesses lakes around the state to determine if they meet water quality standards.
A water quality variance is a temporary change in a state's water quality standard for a specific pollutant and its relevant criteria, allowing deviation from meeting a water quality-based effluent limit for a particular discharger.
Dakota County is now hosting We Are Water MN, a traveling exhibit and community engagement program that explores Minnesotans’ relationships with water.
The MPCA is authorized to develop numeric water quality criteria that apply specifically to a water body or region where the pollutant is found, using data from that water body or region.
Waterways in the northeastern part of the state are generally in better condition than those in the southern, central, and western regions.