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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.
The Upper Iowa River is a 156-mile-long tributary of the Mississippi River that rises in Mower County in southeastern Minnesota near the Iowa border. It then flows south through three Iowa counties before flowing into the Mississippi. It drains nearly 641,000 acres (1,005 square miles).
The MPCA plans to amend water quality standards (Minn. Rules chapter 7050) affecting Class 2 beneficial uses, which protect surface waters for aquatic life and recreation.
MPCA permits are required for extensions, additions, or other modifications to sanitary sewer collection systems that result in new or increased discharges of pollutants.
Pesticide NPDES permit steps to compliance Step 4: Report adverse pesticide incidents
The MPCA regulates both underground and aboveground commercial storage tanks above a certain size that hold petroleum or hazardous liquids.
Properly trained and certified SSTS personnel are critical. What work duties can local program staff do before becoming certified, and how can that process be expedited?
The Little Sioux River Watershed covers more than 1.8 million acres in southwestern Minnesota. Its small prairie streams flow through the southern portions of Nobles and Jackson counties and into Iowa.
Only a very small portion of the 1.35-million-acre Upper Big Sioux River Watershed is located in Lincoln County in western Minnesota; the vast majority is located in eastern South Dakota.
MPCA rules govern how septic systems are designed, installed, and managed in Minnesota.
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.
MPCA guidance for evaluating when closed landfills may exit the postclosure care phase.
Within the three major watersheds that cover the Twin Cities area, there are 33 smaller watersheds managed by their own watershed district or watershed management organization.
Privacy rightsSeveral federal and state laws protect your privacy rights regarding the information the MPCA has about you. At times, an MPCA staff member may ask you to provide information about…
SSTS work in Minnesota must be completed by licensed businesses under the supervision of certified individuals.
Removing of an old dam and restoring a creek's curves are improving habitat and water quality in the Pomme de Terre River Watershed.
Most AST systems that contain liquid capable of polluting the waters of the state are subject to state rules and permits.
Financing for wastewater and stormwater projects is available for public entities.
The Minnesota Pollution Control Agency is planning amendments to rules governing water quality fees (Minn. R. ch. 7002 and 7083).
Apply for funds to help assess sites with known or suspected contamination and develop remediation plans.