Crystal Lake (Blue Earth County)

Blue Earth County, Minnesota - DNR stocking history, depth and survey data

Minnesota · Minnesota Department of Natural Resources (DNR) · DOW 07009800

DNR records show 8 stocking entries at Crystal Lake (Blue Earth County) since 2016, most recently walleye fry in 2025 (284,250 fish).

• Crystal Lake (Blue Earth County) has 8 DNR stocking records across 8 years (2016-2025): walleye (8).
• The most-stocked species by count is walleye: 2,585,840 fish on record.
• Maximum depth 8 ft, mean depth 8 ft; surface area 379 acres, 379 littoral acres, 5.5 miles of shoreline, per the DNR lake survey.
• Average water clarity (Secchi depth) 1.9 ft.
• Fish species DNR lists here: bigmouth buffalo, black bullhead, black crappie, bluegill, common carp, hybrid sunfish, northern pike, walleye, white crappie, white sucker, yellow bullhead, yellow perch.
• 1 public access on the DNR list.
• Most recent DNR fish survey: April 19, 2023 (targeted survey).
• Blue Earth County, nearest town Lake Crystal; DNR lake number (DOW) 07009800.

Depth map

Bathymetric contours from the Minnesota DNR lake survey mapped 10/28/1986 (orig map); depths in feet. Simplified for the web; not for navigation.

Stocking history

Public accesses

DNR fish survey, 2023

Two trap nets were set at Crystal Lake on 19 April 2023 to assess winterkill. Yellow Perch and Black Bullheads were abundant. A single Black Crappie and a single White Sucker were also sampled. We have reports of anglers catching Black Crappie from shore. Dead Common Carp were observed on the shoreline.

Minnesota DNR survey narrative, April 19, 2023.

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