Skip to content

Red Rock Lake

swd-redrock_lrg.jpgThe Red Rock Lake Subwatershed is a 1.97-square-mile subsection of the Purgatory Creek Subwatershed (a subsection of the Riley Purgatory Bluff Creek Watershed District) that drains to Red Rock Lake, which ultimately drains to Purgatory Creek.


Size 121 acres
Volume 615 acre-ft
Average depth 4.7 ft
Max depth 19 ft
Watershed size 1286 acres
Land draining directly into 332 acres
MPCA lake classification Shallow
Impairment listing Mercury
Trophic status Eutrophic
Common fish Bluegill, Northern Pike, Pumpkinseed, Yellow Perch
Invasive species Curlyleaf Pondweed, Eurasian Watermilfoil


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.

Water Quality