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Residential- and high-strength wastewater products registered for use in Minnesota, including the manufacturer's name, a link to the company's web site, and the registered product's name and model.

Mercury is a naturally occurring element that is toxic to humans and animals. At room temperature, mercury is a silvery, liquid metal, but it can also evaporate and become airborne. Mercury does not…

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.

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.

Designing stormwater systems to handle the challenges of climate change differs in every community across the state. Here’s how one community is meeting that challenge

The MPCA sought applications from contractors to partner with auto repair shops, dealerships, tech colleges or other entities to identify and fix high-emitting vehicles.

Ready-to-run meteorological data suitable for AERMOD.