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What is the blue-green scum that looks like spilled paint?In lakes that are over-enriched with phosphorus and nitrogen, algae tend to prosper and create algae blooms. Blue-green algae and one type in…
Water quality trades that have been arranged in Minnesota illustrate many opportunities to enhance pollution reduction efforts while offering flexibility and cost savings to regulated municipalities and industries.
Minnesota rules require many facilities that produce air emissions to conduct performance testing.
Implementing water quality standards come with tangible costs and benefits. Costs such as taxes to residents, regulated parties, and communities help achieve benefits such as increased property values, tourism, and protecting human health.
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.
Does it seems like the number of alerts due to wildfires has increased in the past few years? We’ve had 46 air-quality alerts since 2015—34 of those due to wildfire smoke.
Installing an engineNo permit amendments are needed for holders of registration (Options C and D), capped, and general permits (state or Part 70) to install a non-emergency engine, if the total…
Water quality standards are frequently adopted statewide or by ecoregions. These standards can include large areas with different types of water, biological communities and natural water chemistries.
Nitrogen management plans help operators of wastewater treatment facilities understand the inputs of nitrogen to their facilities and evaluate options that can reduce the amount of nitrogen discharged.
Intense storms of late spring can wash soil and other pollutants into rivers. Producers can use several techniques to protect their soil and water quality.
MPCA investigators say West Fraser paid a fine of $15,775 for air permit violations at their facility in Solway.
Hot mix asphalt plants in Minnesota must follow federal and state air standards.
Central Bi-Products emitted higher levels of hydrogen sulfide than is allowed, causing odor complaints in the community of Long Prairie and resulting in a $3 million fine. Central Bi-Products has agreed to spend a minimum of $4.4 million on a supplemental environmental project that will improve its wastewater treatment.
Hutchinson Utilities exceeded its permit limit for particulate matter during an air quality performance test. High levels of particulates are known to cause environmental harm and health problems.
The Floristic Quality Assessment (FQA) is a vegetation-based ecological assessment approach that can be used for wetland quality monitoring and assessment.
Sanimax USA LLC failed to seek a required major air permit amendment and conduct air emissions modeling prior to making changes to its pollution control equipment systems in 2019 at its animal products rendering facility in South St. Paul, Minnesota.
Grant money was available to regulated air pollution emitting facilities for improvements that reduce emissions for environmental justice areas in Minnesota.
Important details to help make your e-Service administrative submittal go as smoothly as possible.
The Minnesota Pollution Control Agency has developed a draft air permit for MagIron LLC in Coleraine that will require a fugitive dust control plan to help reduce emissions of particulate matter from roads, storage, stockpiles, and exposed mining areas.
Grede Foundry violated the terms of its air permit in 2024, according to a Minnesota Pollution Control Agency investigation.