South Mound Springs

Rock County, Minnesota — DOW #67000200

38 Surveys
20.01
Acres
7.5 ft
Max Depth
0
11
Fish Species
0
Local Guides

DNR Fish Surveys

Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on South Mound Springs. Green = above normal range. Red = below normal.

White Crappie

Date Gear CPUE Normal Range Avg Weight Total Catch
1991-08-21 Standard gill nets 1.0 0.19 lb 1
1991-08-21 Standard trap nets 2.3 0.14 lb 9

RDS

Date Gear CPUE Normal Range Avg Weight Total Catch
1991-08-21 Standard trap nets 0.5 0.10 lb 2

Black Crappie

Date Gear CPUE Normal Range Avg Weight Total Catch
1991-08-21 Standard gill nets 3.0 (normal) 1.5 – 7.5 0.40 lb 3
1991-08-21 Standard trap nets 54.8 (above normal) 1.9 – 13.0 0.37 lb 219
1999-08-16 Standard trap nets 4.2 (normal) 1.9 – 13.0 0.67 lb 25
1995-08-15 Standard trap nets 2.0 (normal) 1.9 – 13.0 0.71 lb 8

Black Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1991-08-21 Standard gill nets 5.0 (normal) 1.5 – 48.5 0.28 lb 5
1991-08-21 Standard trap nets 2.8 (normal) 1.8 – 26.3 0.27 lb 11
1999-08-16 Standard trap nets 34.3 (above normal) 1.8 – 26.3 0.17 lb 206
1999-08-16 Survey seining 7.0 7
1995-08-15 Standard trap nets 48.5 (above normal) 1.8 – 26.3 0.06 lb 194

Channel Catfish

Date Gear CPUE Normal Range Avg Weight Total Catch
1991-08-21 Standard gill nets 7.0 0.84 lb 7
1991-08-21 Standard trap nets 0.3 0.09 lb 1
1999-08-16 Standard trap nets 0.3 0.09 lb 2
1995-08-15 Standard trap nets 0.3 0.75 lb 1

Bluegill

Date Gear CPUE Normal Range Avg Weight Total Catch
1991-08-21 Standard trap nets 3.0 (below normal) 3.1 – 24.9 0.19 lb 12

Largemouth Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
1991-08-21 Standard trap nets 0.5 (normal) 0.3 – 1.9 1.25 lb 2
1999-08-16 Standard trap nets 0.2 (below normal) 0.3 – 1.9 2.70 lb 1

White Sucker

Date Gear CPUE Normal Range Avg Weight Total Catch
1991-08-21 Standard trap nets 18.0 (above normal) 0.3 – 3.3 1.03 lb 72
1999-08-16 Standard trap nets 21.5 (above normal) 0.3 – 3.3 0.36 lb 129
1995-08-15 Standard trap nets 3.0 (normal) 0.3 – 3.3 0.77 lb 12

Common Carp

Date Gear CPUE Normal Range Avg Weight Total Catch
1991-08-21 Standard gill nets 12.0 1.52 lb 12
1991-08-21 Standard trap nets 6.8 (above normal) 0.4 – 1.6 1.51 lb 27
1999-08-16 Survey seining 1.0 1
1999-08-16 Standard trap nets 4.8 (above normal) 0.4 – 1.6 1.56 lb 29
1995-08-15 Standard trap nets 1.8 (above normal) 0.4 – 1.6 1.89 lb 7

Green Sunfish

Date Gear CPUE Normal Range Avg Weight Total Catch
1999-08-16 Standard trap nets 0.5 (normal) 0.2 – 12.4 0.10 lb 3
1995-08-15 Survey seining 8.0 8

OSS

Date Gear CPUE Normal Range Avg Weight Total Catch
1999-08-16 Standard trap nets 0.3 0.03 lb 2
1999-08-16 Survey seining 510.0 510
1995-08-15 Standard trap nets 1.5 0.03 lb 6
1995-08-15 Survey seining 227.0 227

Pumpkinseed

Date Gear CPUE Normal Range Total Catch
1999-08-16 Survey seining 5.0 5

Yellow Perch

Date Gear CPUE Normal Range Avg Weight Total Catch
1999-08-16 Standard trap nets 0.3 (below normal) 0.5 – 5.2 0.44 lb 2

Hybrid Sunfish

Date Gear CPUE Normal Range Total Catch
1999-08-16 Survey seining 6.0 6

Fathead Minnow

Date Gear CPUE Normal Range Total Catch
1999-08-16 Survey seining 500.0 500
1995-08-15 Survey seining 50.0 50

Depth Maps & Lake Info

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Map & Directions

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Nearby Bait & Tackle

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Fish Species

Species known to inhabit South Mound Springs. Click any species for a full fishing guide.

Black BullheadBlack CrappieChannel CatfishCommon CarpGreen SunfishHybrid SunfishLargemouth BassOrangespotted SunfishPumpkinseedWhite SuckerYellow Perch

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Data sourced from Minnesota DNR Division of Fish and Wildlife. Last verified: March 19, 2026. Learn how we maintain this data.