Middle Jefferson
Le Sueur County, Minnesota — DOW #40009204
78 Surveys
Invasive Species Alert
Middle Jefferson has confirmed populations of:
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DNR Fish Surveys
Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Middle Jefferson.
Green = above normal range. Red = below normal.
Black Bullhead
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2018-07-16 | Standard trap nets | 0.1 (below normal) | 1.3 – 78.1 | 1.41 lb | 1 |
| 2018-07-16 | Standard gill nets | 8.6 (normal) | 4.6 – 83.0 | 1.19 lb | 43 |
| 2013-07-24 | Standard trap nets | 1.6 (normal) | 1.3 – 78.1 | 0.74 lb | 11 |
| 2013-07-24 | Standard gill nets | 73.5 (normal) | 4.6 – 83.0 | 0.50 lb | 147 |
| 2008-07-28 | Standard trap nets | 26.2 (normal) | 1.3 – 78.1 | 0.31 lb | 236 |
| 2008-07-28 | Standard gill nets | 118.0 (above normal) | 4.6 – 83.0 | 0.24 lb | 236 |
Yellow Perch
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2018-07-16 | Standard trap nets | 0.7 (normal) | 0.3 – 2.6 | 0.10 lb | 5 |
| 2018-07-16 | Standard gill nets | 6.2 (normal) | 3.0 – 22.5 | 0.14 lb | 31 |
| 2013-07-24 | Standard gill nets | 4.5 (normal) | 3.0 – 22.5 | 0.17 lb | 9 |
| 2008-07-28 | Standard trap nets | 3.3 (above normal) | 0.3 – 2.6 | 0.15 lb | 30 |
| 2008-07-28 | Standard gill nets | 12.0 (normal) | 3.0 – 22.5 | 0.11 lb | 24 |
Yellow Bullhead
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2018-07-16 | Standard gill nets | 16.0 (above normal) | 0.3 – 3.6 | 0.85 lb | 80 |
| 2018-07-16 | Standard trap nets | 9.9 (above normal) | 0.5 – 4.1 | 1.13 lb | 69 |
| 2013-07-24 | Standard gill nets | 3.0 (normal) | 0.3 – 3.6 | 0.37 lb | 6 |
| 2013-07-24 | Standard trap nets | 1.1 (normal) | 0.5 – 4.1 | 1.25 lb | 8 |
| 2008-07-28 | Standard trap nets | 1.3 (normal) | 0.5 – 4.1 | 1.38 lb | 12 |
Northern Pike
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2018-07-16 | Standard gill nets | 5.6 (normal) | 1.2 – 7.8 | 3.05 lb | 28 |
| 2018-07-16 | Standard trap nets | 0.7 | — | 3.65 lb | 5 |
| 2013-07-24 | Standard gill nets | 5.5 (normal) | 1.2 – 7.8 | 2.04 lb | 11 |
| 2013-07-24 | Standard trap nets | 0.6 | — | 1.46 lb | 4 |
Golden Shiner
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2018-07-16 | Standard gill nets | 7.6 (above normal) | 0.1 – 0.7 | 0.13 lb | 38 |
| 2018-07-16 | Standard trap nets | 0.1 (below normal) | 0.2 – 1.0 | 0.04 lb | 1 |
| 2013-07-24 | Standard gill nets | 18.0 (above normal) | 0.1 – 0.7 | 0.06 lb | 36 |
| 2008-07-28 | Standard gill nets | 5.5 (above normal) | 0.1 – 0.7 | 0.08 lb | 11 |
| 2008-07-28 | Standard trap nets | 4.9 (above normal) | 0.2 – 1.0 | 0.10 lb | 44 |
Freshwater Drum
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2018-07-16 | Standard trap nets | 6.4 (above normal) | 0.4 – 4.0 | 2.59 lb | 45 |
| 2018-07-16 | Standard gill nets | 5.4 (normal) | 3.6 – 24.2 | 2.15 lb | 27 |
| 2013-07-24 | Standard trap nets | 3.3 (normal) | 0.4 – 4.0 | 2.34 lb | 23 |
| 2013-07-24 | Standard gill nets | 13.0 (normal) | 3.6 – 24.2 | 1.81 lb | 26 |
| 2008-07-28 | Standard trap nets | 6.4 (above normal) | 0.4 – 4.0 | 1.83 lb | 58 |
| 2008-07-28 | Standard gill nets | 46.5 (above normal) | 3.6 – 24.2 | 1.56 lb | 93 |
White Bass
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2018-07-16 | Standard trap nets | 0.1 (below normal) | 0.4 – 1.9 | 2.13 lb | 1 |
| 2013-07-24 | Standard trap nets | 0.1 (below normal) | 0.4 – 1.9 | 1.54 lb | 1 |
| 2008-07-28 | Standard gill nets | 0.5 (below normal) | 0.8 – 7.1 | 1.17 lb | 1 |
| 2008-07-28 | Standard trap nets | 0.1 (below normal) | 0.4 – 1.9 | 0.99 lb | 1 |
Common Carp
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2018-07-16 | Standard gill nets | 0.4 (below normal) | 0.5 – 9.1 | 0.93 lb | 2 |
| 2018-07-16 | Standard trap nets | 1.6 (normal) | 0.7 – 5.1 | 10.63 lb | 11 |
| 2013-07-24 | Standard gill nets | 1.0 (normal) | 0.5 – 9.1 | 6.59 lb | 2 |
| 2013-07-24 | Standard trap nets | 2.6 (normal) | 0.7 – 5.1 | 5.46 lb | 18 |
| 2008-07-28 | Standard gill nets | 34.0 (above normal) | 0.5 – 9.1 | 0.73 lb | 68 |
| 2008-07-28 | Standard trap nets | 19.3 (above normal) | 0.7 – 5.1 | 1.65 lb | 174 |
Largemouth Bass
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2018-07-16 | Standard electrofishing | 58.4 | — | 0.82 lb | 85 |
| 2018-07-16 | Standard gill nets | 0.4 (normal) | 0.3 – 1.8 | 1.31 lb | 2 |
| 2018-07-16 | Standard trap nets | 0.9 (above normal) | 0.1 – 0.8 | 2.18 lb | 6 |
| 2013-07-24 | Standard gill nets | 1.0 (normal) | 0.3 – 1.8 | 2.33 lb | 2 |
| 2013-07-24 | Standard trap nets | 0.4 (normal) | 0.1 – 0.8 | 2.23 lb | 3 |
| 2008-07-28 | Standard trap nets | 0.7 (normal) | 0.1 – 0.8 | 2.88 lb | 6 |
Walleye
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2018-07-16 | Standard gill nets | 2.0 (below normal) | 3.2 – 15.3 | 2.41 lb | 10 |
| 2008-07-28 | Standard gill nets | 1.0 (below normal) | 3.2 – 15.3 | 5.18 lb | 2 |
| 2008-07-28 | Standard trap nets | 0.1 (below normal) | 0.3 – 1.7 | 4.13 lb | 1 |
Hybrid Sunfish
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2018-07-16 | Standard trap nets | 0.1 | — | 0.11 lb | 1 |
| 2008-07-28 | Standard trap nets | 1.4 | — | 0.18 lb | 13 |
Bluegill
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2018-07-16 | Standard gill nets | 10.6 | — | 0.21 lb | 53 |
| 2018-07-16 | Standard trap nets | 50.7 (above normal) | 1.0 – 14.9 | 0.11 lb | 355 |
| 2013-07-24 | Standard gill nets | 7.0 | — | 0.34 lb | 14 |
| 2013-07-24 | Standard trap nets | 17.0 (above normal) | 1.0 – 14.9 | 0.07 lb | 119 |
| 2008-07-28 | Standard gill nets | 3.0 | — | 0.19 lb | 6 |
| 2008-07-28 | Standard trap nets | 33.2 (above normal) | 1.0 – 14.9 | 0.12 lb | 299 |
Pumpkinseed
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2018-07-16 | Standard gill nets | 0.6 | — | 0.24 lb | 3 |
| 2018-07-16 | Standard trap nets | 1.1 (normal) | 0.4 – 4.5 | 0.16 lb | 8 |
| 2013-07-24 | Standard trap nets | 1.6 (normal) | 0.4 – 4.5 | 0.10 lb | 11 |
| 2008-07-28 | Standard trap nets | 0.6 (normal) | 0.4 – 4.5 | 0.22 lb | 5 |
Bowfin
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2018-07-16 | Standard gill nets | 0.2 (normal) | 0.1 – 1.0 | 0.13 lb | 1 |
| 2018-07-16 | Standard trap nets | 2.3 (above normal) | 0.1 – 0.7 | 3.61 lb | 16 |
| 2013-07-24 | Standard trap nets | 3.1 (above normal) | 0.1 – 0.7 | 3.74 lb | 22 |
| 2008-07-28 | Standard gill nets | 0.5 (normal) | 0.1 – 1.0 | 5.00 lb | 1 |
| 2008-07-28 | Standard trap nets | 1.3 (above normal) | 0.1 – 0.7 | 5.98 lb | 12 |
Black Crappie
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2018-07-16 | Standard gill nets | 70.2 (above normal) | 0.8 – 11.1 | 0.10 lb | 351 |
| 2018-07-16 | Standard trap nets | 20.4 (above normal) | 1.0 – 12.3 | 0.29 lb | 143 |
| 2013-07-24 | Standard gill nets | 14.5 (above normal) | 0.8 – 11.1 | 0.15 lb | 29 |
| 2013-07-24 | Standard trap nets | 0.6 (below normal) | 1.0 – 12.3 | 0.19 lb | 4 |
| 2008-07-28 | Standard gill nets | 1.0 (normal) | 0.8 – 11.1 | 0.32 lb | 2 |
| 2008-07-28 | Standard trap nets | 10.7 (normal) | 1.0 – 12.3 | 0.38 lb | 96 |
LNG
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2013-07-24 | Standard gill nets | 0.5 | — | 0.66 lb | 1 |
| 2008-07-28 | Standard trap nets | 0.1 | — | 1.80 lb | 1 |
Green Sunfish
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2008-07-28 | Standard trap nets | 0.1 (normal) | 0.1 – 0.7 | 0.04 lb | 1 |
Common Shiner
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2008-07-28 | Standard trap nets | 0.1 | — | 0.12 lb | 1 |
BIB
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2008-07-28 | Standard trap nets | 0.1 (below normal) | 0.2 – 1.5 | 8.09 lb | 1 |
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Fish Species
Species known to inhabit Middle Jefferson. Click any species for a full fishing guide.
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Data sourced from Minnesota DNR Division of Fish and Wildlife. Last verified: March 19, 2026.
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