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Environmental information and resources for the biochar industry.
Nitrogen, like phosphorus, is a nutrient that pollutes in state waters, and its concentration in many rivers has been increasing from historic natural levels over time due to human influences.…
The Shell Rock River begins at Albert Lea Lake in Freeborn County in south-central Minnesota, a few miles from the Iowa border. It flows 113 miles into Iowa, where it enters the Cedar River. In Minnesota, the Shell Rock drains 246 square miles (160,000 acres), all in Freeborn County.
Important details to help make your e-Service administrative submittal go as smoothly as possible.
The Sauk River Watershed covers 667,200 acres (1,043 square miles) and extends from the Mississippi River near St. Cloud to within 3 miles of Alexandria.
Minnesota has revised state water quality standards to incorporate a tiered aquatic life use (TALU) framework for rivers and streams.
Thermal paper is thin with a slick feel or sheen finish and discolors easily when scratched.
When leaves fall on streets, sidewalks, and other hardscapes in urban areas, they wash into the storm drains and end up in lakes and rivers where they feed algae growth. The algae then decomposes and uses up oxygen that fish and native plants need.
There are two types of federal air regulations, the National Emission Standards for Hazardous Air Pollutants (NESHAPs) and New Source Performance Standards (NSPSs). Either or both regulations may…
The Root River starts as a drainage ditch in Mower County, then winds 81 miles from intensely farmed areas through more wooded, rolling terrain, and finally empties into the Mississippi River south of La Crosse, Wisconsin.
Public entities In Minnesota, most sustainable purchasing requirements are implemented at the local government level. However, there are some state requirements for public entities: Minnesota state…
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.
Ready-to-run meteorological data suitable for AERMOD.
State and federal permits and regulations that are designed to protect groundwater and surface water (lakes, rivers, streams, and wetlands) apply to specific facilities and processes that could pose…
The Redwood River is located in southwestern Minnesota in the counties of Lincoln, Lyon, Murray, Pipestone, Redwood, and Yellow Medicine.
The North Fork Crow River Watershed covers 949,107 acres.
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.
The Nemadji River Watershed spans the Minnesota-Wisconsin border and covers nearly 1.2 million acres.
Smart technology, conservation practices, and a commitment to clean water help this family dairy and crop operation thrive — while protecting rivers, streams, and future generations.
The Minnesota portion of the Roseau River watershed covers 774,197 acres; an additional 594,560 acres are across the U.S. border in Canada.