Skip to content

Lake Riley

swd-duck_lrg.jpgThe Lake Riley Subwatershed is a 2.78-square-mile subsection of the Riley Creek Subwatershed (a subsection of the Riley Purgatory Bluff Creek Watershed District) that drains to Lake Riley, which ultimately drains to Riley Creek.


Size 297 acres
Average depth 23 ft
Max depth 49 ft
Watershed size 1,776 acres
Impervious surface 18% of watershed
MPCA lake classification Deep lake
Impairment listing Mercury, Nutrients, Fish
Common fish Bluegill, Northern Pike, Yellow Perch, Yellow Bullhead, Black Crappie
Invasive species Curlyleaf Pondweed, Eurasion Watermilfoil, Zebra Mussels


Learn More

  • DNR Lakefinder - Get information on water levels, fish stocking, and water clarity.
  • MPCA Surface Water Data - Find historical lake and stream water quality data.
  • Metropolitan Council - View and download information on lakes, rivers, streams, rain gauges and for the Minneapolis/St. Paul metropolitan area.