The Lower Mississippi River Watershed Management
Organization (LMRWMO) is located in the southeast part of the Twin
Cities metropolitan area, in northern
Dakota County and southern Ramsey County. The LMRWMO abuts the south
and west sides of the
Mississippi River, from the Mississippi River’s confluence with the
Minnesota River to Rosemount.
Adjacent watershed management organizations (WMOs) include Eagan-IGH
WMO, Lower Minnesota River Watershed District,
and the Vermillion River JPO.
The LMRWMO covers 35,493 acres (55.8 square
miles) and is composed of seven cities partially or wholly within the
organization’s boundaries. The
LMRWMO member cities are: Inver Grove Heights, Lilydale, Mendota
Heights, St. Paul, South St. Paul, Sunfish Lake, and West St. Paul.
Surface water in the LMRWMO ultimately discharges to the Mississippi
Watershed Management Plan Update - Citizen Input Survey
Watershed Management Plan Update (2019-2021)
Register for the Landscaping for Clean Water Program
Watershed Restoration and Protection Study
Self Guided Driving Tour
Thompson Lake Water Quality Improvement Project
The LMRWMO secured a $576,000 Clean Water Fund grant for stormwater improvements at Thompson Lake in West St. Paul as part of the
Thompson Lake Restoration. Read more about the project at the link above.