Lake Ann
The Ann Lake Subwatershed is a 0.40-square-mile subsection of the Riley Creek Subwatershed (a subsection of the Riley Purgatory Bluff Creek Watershed District) that drains to Ann Lake, which ultimately drains to Riley Creek.
Characteristics
| Size | 119 acres |
| Average depth | 16.8 feet |
| Max depth | 40 feet |
| Watershed size | 257 acres |
| Impervious surface | 2% of watershed |
| MPCA lake classification | Deep lake |
| Impairment listing | Mercury |
| Common fish | Bluegill, Northern Pike, Largemouth Bass, Yellow Perch, Pumkinseed Sunfish |
| Invasive species | Curlyleaf Pondweed, Eurasian Watermilfoil, Common Carp, Brittle Naiad |
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.
