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Ready-to-run meteorological data suitable for AERMOD.
Particulate matter (PM) refers to various air particles, including dust, soot, smoke, and liquid droplets that range in size from less than 0.1 microns in diameter (smaller than a single bacterium)…
Minnesota rivers are shrinking in the drought; some have their lowest flows in decades. What will be the long term effects?
Nearly all feedlot owners are required to register with the state and update their registration information every four years, unless they have applied for a permit recently. This page includes information about how to register.
Environmental information and permits that affect businesses that paint, coat, or strip surfaces.
Increased rainfall from climate change damages river water quality, which in turn damages fishing and recreation.
Groundwater is not a static thing, but moves around in the layers of rock and soil beneath our feet. How does this affect the work to treat contaminated groundwater and protect drinking water?
BALMM emphasizes land use practices to improve or protect water quality, particularly in the areas of watershed management, aquifer protection and floodplain management.
Find out what’s being done in Minnesota’s watersheds to protect and improve water quality.
MPCA staff studied the river during this summer's extreme drought conditions to see if tighter limits on phosphorus are protecting aquatic life.
New rules establish a program for the MPCA to collect information about products containing intentionally added PFAS and establish fees to be paid upon submission of required reporting.
The health of Minnesota's large rivers is a reflection of how well we are protecting overall water quality.
Finding ways to keep stormwater on land and let it soak into the ground can lessen the negative effects on water quality from stormwater.
Image Climate change is having a profound impact on Minnesota's natural environment. Many of our state's iconic native plants and animals — from birch…
Pollutant and runoff maps and data for major watersheds; watershed monitoring and assessment reports.
Governor Walz appointed Katrina Kessler as MPCA commissioner effective November 1. Kessler has been serving as an assistant commissioner.
The MPCA works with partners throughout Minnesota each year to gauge the health of waters and identify stressors that harm fish and other aquatic life.
Permit addresses the most common causes of contaminated groundwater, including releases of petroleum, volatile organic compounds, and other hazardous substances.
The fines stem from a release of sediment-laden water into a county ditch, and subsequent failures to notify, repair, and report on the incident.
A permit extension notification allows transfer stations and source-separated organic material (SSOM) compost facilities to apply for an extension of their permit without a complete permit reissuance application.