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The MPCA’s Smart Salting program helps cut down on chloride pollution by training snowplow drivers and municipalities to use less salt on the roadways.

Under the federal Clean Water Act, states must designate beneficial uses for all waters and develop water quality standards to protect each use.

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.…

Many industrial by-products are good candidates for land application based on their nutrient content.

Owners/operators of construction activity must complete several steps before completing a permit application and beginning construction. These steps also help owners/operators determine their eligibility for coverage under the general permit.

The MPCA 401 certification fills a unique niche in protecting water quality by applying state water quality standards to projects.

Information for cannabis growers and processors to understand environmental regulations and permits that may apply to their businesses.