Loon
Blue Earth County, Minnesota — DOW #07009600
165 Surveys
DNR Fish Surveys
Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Loon.
Green = above normal range. Red = below normal.
Black Bullhead
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1987-08-26 | Standard trap nets | 80.1 (normal) | 11.5 – 132.6 | 0.38 lb | 641 |
| 1987-08-26 | Standard gill nets | 121.0 (normal) | 30.3 – 150.6 | 0.50 lb | 363 |
| 2016-08-15 | Standard trap nets | 53.8 (normal) | 11.5 – 132.6 | 0.12 lb | 538 |
| 2016-08-15 | Standard gill nets | 105.3 (normal) | 30.3 – 150.6 | 0.30 lb | 421 |
| 1991-07-08 | Standard gill nets | 48.8 (normal) | 30.3 – 150.6 | 0.21 lb | 195 |
| 1991-07-08 | Standard trap nets | 28.4 (normal) | 11.5 – 132.6 | 0.25 lb | 227 |
| 2022-08-15 | Standard trap nets | 39.4 (normal) | 11.5 – 132.6 | 0.11 lb | 473 |
| 2022-08-15 | Standard gill nets | 242.7 (above normal) | 30.3 – 150.6 | 0.12 lb | 728 |
| 2006-08-07 | Standard trap nets | 9.2 (below normal) | 11.5 – 132.6 | 0.43 lb | 110 |
| 2006-08-07 | Standard gill nets | 56.3 (normal) | 30.3 – 150.6 | 0.49 lb | 169 |
| 1996-08-15 | Standard trap nets | 0.4 (below normal) | 11.5 – 132.6 | 1.21 lb | 5 |
| 1996-08-15 | Standard gill nets | 14.7 (below normal) | 30.3 – 150.6 | 0.92 lb | 44 |
| 1982-08-26 | Standard trap nets | 42.1 (normal) | 11.5 – 132.6 | 0.59 lb | 337 |
| 1982-08-26 | Standard gill nets | 116.5 (normal) | 30.3 – 150.6 | 0.56 lb | 233 |
| 2001-08-15 | Standard gill nets | 6.2 (below normal) | 30.3 – 150.6 | 0.49 lb | 37 |
Yellow Perch
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1987-08-26 | Standard trap nets | 3.9 (above normal) | 0.3 – 3.8 | 0.27 lb | 31 |
| 1987-08-26 | Standard gill nets | 53.7 (above normal) | 2.7 – 25.0 | 0.31 lb | 161 |
| 2016-08-15 | Standard trap nets | 0.4 (normal) | 0.3 – 3.8 | 0.34 lb | 4 |
| 2016-08-15 | Standard gill nets | 6.8 (normal) | 2.7 – 25.0 | 0.34 lb | 27 |
| 1991-07-08 | Standard trap nets | 0.3 (below normal) | 0.3 – 3.8 | 0.12 lb | 2 |
| 1991-07-08 | Standard gill nets | 0.5 (below normal) | 2.7 – 25.0 | 0.18 lb | 2 |
| 2022-08-15 | Standard trap nets | 1.3 (normal) | 0.3 – 3.8 | 0.29 lb | 15 |
| 2022-08-15 | Standard gill nets | 6.3 (normal) | 2.7 – 25.0 | 0.25 lb | 19 |
| 2006-08-07 | Standard trap nets | 0.3 (normal) | 0.3 – 3.8 | 0.15 lb | 4 |
| 2006-08-07 | Standard gill nets | 1.7 (below normal) | 2.7 – 25.0 | 0.28 lb | 5 |
| 1996-08-15 | Standard trap nets | 0.3 (normal) | 0.3 – 3.8 | 0.06 lb | 4 |
| 1996-08-15 | Survey seining | 7.5 | — | 0.02 lb | 15 |
| 1996-08-15 | Standard gill nets | 0.3 (below normal) | 2.7 – 25.0 | 0.13 lb | 1 |
| 1982-08-26 | Standard trap nets | 28.8 (above normal) | 0.3 – 3.8 | 0.21 lb | 230 |
| 1982-08-26 | Standard gill nets | 63.0 (above normal) | 2.7 – 25.0 | 0.23 lb | 126 |
| 2001-08-15 | Standard trap nets | 1.2 (normal) | 0.3 – 3.8 | 0.11 lb | 14 |
| 2001-08-15 | Survey seining | 7.0 | — | 0.02 lb | 28 |
| 2001-08-15 | Standard gill nets | 10.2 (normal) | 2.7 – 25.0 | 0.15 lb | 61 |
Green Sunfish
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1987-08-26 | Standard trap nets | 0.8 (normal) | 0.2 – 1.9 | 0.40 lb | 6 |
| 1991-07-08 | Standard trap nets | 0.3 (normal) | 0.2 – 1.9 | 0.06 lb | 2 |
| 1996-08-15 | Standard trap nets | 0.1 (below normal) | 0.2 – 1.9 | 0.36 lb | 1 |
| 1996-08-15 | Survey seining | 0.5 | — | — | 1 |
| 1982-08-26 | Standard trap nets | 12.5 (above normal) | 0.2 – 1.9 | 0.16 lb | 100 |
| 1982-08-26 | Standard gill nets | 0.5 (normal) | 0.4 – 6.5 | 0.25 lb | 1 |
| 2001-08-15 | Standard trap nets | 0.1 (below normal) | 0.2 – 1.9 | 0.05 lb | 1 |
Yellow Bullhead
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1987-08-26 | Standard gill nets | 0.3 (below normal) | 0.5 – 3.5 | 0.25 lb | 1 |
| 1987-08-26 | Standard trap nets | 3.6 (above normal) | 0.5 – 2.5 | 0.38 lb | 29 |
| 2016-08-15 | Standard gill nets | 0.8 (normal) | 0.5 – 3.5 | 0.43 lb | 3 |
| 2016-08-15 | Standard trap nets | 4.0 (above normal) | 0.5 – 2.5 | 0.41 lb | 40 |
| 1991-07-08 | Standard trap nets | 0.4 (below normal) | 0.5 – 2.5 | 1.02 lb | 3 |
| 2022-08-15 | Standard gill nets | 0.3 (below normal) | 0.5 – 3.5 | 0.39 lb | 1 |
| 2022-08-15 | Standard trap nets | 4.3 (above normal) | 0.5 – 2.5 | 0.54 lb | 52 |
| 2006-08-07 | Standard trap nets | 1.3 (normal) | 0.5 – 2.5 | 0.53 lb | 15 |
| 1996-08-15 | Standard trap nets | 0.3 (below normal) | 0.5 – 2.5 | 2.55 lb | 3 |
| 2001-08-15 | Standard trap nets | 0.1 (below normal) | 0.5 – 2.5 | 0.39 lb | 1 |
Northern Pike
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1987-08-26 | Standard gill nets | 2.3 (normal) | 1.1 – 8.0 | 2.57 lb | 7 |
| 1987-08-26 | Standard trap nets | 0.1 | — | 7.00 lb | 1 |
| 2016-08-15 | Standard gill nets | 0.8 (below normal) | 1.1 – 8.0 | 1.41 lb | 3 |
| 2016-08-15 | Standard trap nets | 0.7 | — | 3.83 lb | 7 |
| 1991-07-08 | Standard trap nets | 1.4 | — | 5.27 lb | 11 |
| 2022-08-15 | Standard gill nets | 1.7 (normal) | 1.1 – 8.0 | 3.10 lb | 5 |
| 2022-08-15 | Standard trap nets | 0.5 | — | 3.56 lb | 6 |
| 2006-08-07 | Standard gill nets | 0.3 (below normal) | 1.1 – 8.0 | 1.32 lb | 1 |
| 2006-08-07 | Standard trap nets | 0.6 | — | 2.02 lb | 7 |
| 1996-08-15 | Standard trap nets | 0.3 | — | 4.02 lb | 4 |
| 2001-08-15 | Standard gill nets | 1.3 (normal) | 1.1 – 8.0 | 0.61 lb | 8 |
| 2001-08-15 | Standard trap nets | 0.2 | — | 0.12 lb | 2 |
| 2001-08-15 | Survey seining | 0.3 | — | 0.10 lb | 1 |
Common Carp
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1987-08-26 | Standard gill nets | 114.0 (above normal) | 1.0 – 13.8 | 0.14 lb | 342 |
| 1987-08-26 | Standard trap nets | 183.3 (above normal) | 1.0 – 5.5 | 0.13 lb | 1466 |
| 2016-08-15 | Standard gill nets | 1.3 (normal) | 1.0 – 13.8 | 6.26 lb | 5 |
| 2016-08-15 | Standard trap nets | 0.6 (below normal) | 1.0 – 5.5 | 4.86 lb | 6 |
| 1991-07-08 | Standard gill nets | 74.0 (above normal) | 1.0 – 13.8 | 0.67 lb | 296 |
| 1991-07-08 | Standard trap nets | 1.4 (normal) | 1.0 – 5.5 | 0.99 lb | 11 |
| 2022-08-15 | Standard trap nets | 0.3 (below normal) | 1.0 – 5.5 | 5.09 lb | 3 |
| 2006-08-07 | Standard gill nets | 1.7 (normal) | 1.0 – 13.8 | 4.37 lb | 5 |
| 2006-08-07 | Standard trap nets | 0.6 (below normal) | 1.0 – 5.5 | 6.04 lb | 7 |
| 1996-08-15 | Standard gill nets | 17.7 (above normal) | 1.0 – 13.8 | 2.87 lb | 53 |
| 1996-08-15 | Standard trap nets | 2.1 (normal) | 1.0 – 5.5 | 4.37 lb | 25 |
| 1982-08-26 | Standard trap nets | 0.1 (below normal) | 1.0 – 5.5 | 1.75 lb | 1 |
| 2001-08-15 | Survey seining | 0.5 | — | 5.69 lb | 2 |
| 2001-08-15 | Standard gill nets | 9.2 (normal) | 1.0 – 13.8 | 2.99 lb | 55 |
| 2001-08-15 | Standard trap nets | 0.8 (below normal) | 1.0 – 5.5 | 0.43 lb | 10 |
Golden Shiner
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1987-08-26 | Standard trap nets | 0.3 (normal) | 0.2 – 1.1 | 0.03 lb | 2 |
| 2016-08-15 | Standard gill nets | 0.3 (below normal) | 0.5 – 2.6 | 0.09 lb | 1 |
| 2016-08-15 | Standard trap nets | 0.1 (below normal) | 0.2 – 1.1 | 0.04 lb | 1 |
| 2006-08-07 | Standard trap nets | 0.8 (normal) | 0.2 – 1.1 | 0.09 lb | 9 |
| 1996-08-15 | Survey seining | 0.5 | — | 0.07 lb | 1 |
| 1982-08-26 | Standard gill nets | 1.0 (normal) | 0.5 – 2.6 | 0.06 lb | 2 |
| 1982-08-26 | Standard trap nets | 0.6 (normal) | 0.2 – 1.1 | 0.10 lb | 5 |
| 2001-08-15 | Survey seining | 0.3 | — | 0.04 lb | 1 |
| 2001-08-15 | Standard trap nets | 0.9 (normal) | 0.2 – 1.1 | 0.04 lb | 11 |
Walleye
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1987-08-26 | Standard gill nets | 32.3 (above normal) | 2.3 – 18.1 | 1.90 lb | 97 |
| 1987-08-26 | Standard trap nets | 9.1 (above normal) | 0.5 – 3.0 | 3.42 lb | 73 |
| 2016-08-15 | Standard gill nets | 15.8 (normal) | 2.3 – 18.1 | 0.39 lb | 63 |
| 2016-08-15 | Standard trap nets | 3.9 (above normal) | 0.5 – 3.0 | 0.37 lb | 39 |
| 1991-07-08 | Standard gill nets | 9.8 (normal) | 2.3 – 18.1 | 1.10 lb | 39 |
| 1991-07-08 | Standard trap nets | 6.3 (above normal) | 0.5 – 3.0 | 2.78 lb | 50 |
| 2022-08-15 | Standard gill nets | 14.7 (normal) | 2.3 – 18.1 | 1.30 lb | 44 |
| 2022-08-15 | Standard trap nets | 5.8 (above normal) | 0.5 – 3.0 | 1.05 lb | 69 |
| 2006-08-07 | Standard gill nets | 37.3 (above normal) | 2.3 – 18.1 | 0.46 lb | 112 |
| 2006-08-07 | Standard trap nets | 0.4 (below normal) | 0.5 – 3.0 | 0.43 lb | 5 |
| 1996-08-15 | Survey seining | 1.0 | — | — | 2 |
| 1996-08-15 | Standard gill nets | 25.0 (above normal) | 2.3 – 18.1 | 0.89 lb | 75 |
| 1996-08-15 | Standard trap nets | 3.1 (above normal) | 0.5 – 3.0 | 0.93 lb | 37 |
| 1982-08-26 | Standard gill nets | 75.0 (above normal) | 2.3 – 18.1 | 0.79 lb | 150 |
| 1982-08-26 | Standard trap nets | 5.9 (above normal) | 0.5 – 3.0 | 1.65 lb | 47 |
| 2001-08-15 | Survey seining | 0.8 | — | 0.02 lb | 3 |
| 2001-08-15 | Standard gill nets | 12.0 (normal) | 2.3 – 18.1 | 0.19 lb | 72 |
| 2001-08-15 | Standard trap nets | 1.4 (normal) | 0.5 – 3.0 | 0.07 lb | 17 |
Bluegill
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1987-08-26 | Standard gill nets | 12.3 | — | 0.07 lb | 37 |
| 1987-08-26 | Standard trap nets | 11.5 (normal) | 1.2 – 20.0 | 0.12 lb | 92 |
| 2016-08-15 | Standard trap nets | 2.5 (normal) | 1.2 – 20.0 | 0.15 lb | 25 |
| 1991-07-08 | Standard trap nets | 10.1 (normal) | 1.2 – 20.0 | 0.24 lb | 81 |
| 1991-07-08 | Standard gill nets | 1.3 | — | 0.12 lb | 5 |
| 2022-08-15 | Standard gill nets | 0.3 | — | 0.34 lb | 1 |
| 2022-08-15 | Standard trap nets | 2.8 (normal) | 1.2 – 20.0 | 0.30 lb | 33 |
| 2006-08-07 | Standard trap nets | 11.1 (normal) | 1.2 – 20.0 | 0.14 lb | 133 |
| 1996-08-15 | Standard trap nets | 4.4 (normal) | 1.2 – 20.0 | 0.30 lb | 53 |
| 1982-08-26 | Standard gill nets | 12.0 | — | 0.45 lb | 24 |
| 1982-08-26 | Standard trap nets | 16.8 (normal) | 1.2 – 20.0 | 0.40 lb | 134 |
| 2001-08-15 | Survey seining | 1.8 | — | — | 7 |
| 2001-08-15 | Standard trap nets | 0.1 (below normal) | 1.2 – 20.0 | 0.22 lb | 1 |
Pumpkinseed
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1987-08-26 | Standard gill nets | 0.3 | — | 0.25 lb | 1 |
| 1987-08-26 | Standard trap nets | 1.4 (normal) | 0.3 – 4.9 | 0.07 lb | 11 |
| 1991-07-08 | Standard trap nets | 0.3 (below normal) | 0.3 – 4.9 | 0.06 lb | 2 |
| 1982-08-26 | Standard gill nets | 2.5 | — | 0.10 lb | 5 |
| 1982-08-26 | Standard trap nets | 8.1 (above normal) | 0.3 – 4.9 | 0.08 lb | 65 |
Black Crappie
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1987-08-26 | Standard gill nets | 11.3 (normal) | 1.4 – 13.8 | 0.17 lb | 34 |
| 1987-08-26 | Standard trap nets | 6.0 (normal) | 1.2 – 20.5 | 0.25 lb | 48 |
| 2016-08-15 | Standard gill nets | 18.5 (above normal) | 1.4 – 13.8 | 0.34 lb | 74 |
| 2016-08-15 | Standard trap nets | 74.2 (above normal) | 1.2 – 20.5 | 0.09 lb | 742 |
| 1991-07-08 | Standard gill nets | 3.8 (normal) | 1.4 – 13.8 | 0.39 lb | 15 |
| 1991-07-08 | Standard trap nets | 23.1 (above normal) | 1.2 – 20.5 | 0.48 lb | 185 |
| 2022-08-15 | Standard gill nets | 4.0 (normal) | 1.4 – 13.8 | 0.43 lb | 12 |
| 2022-08-15 | Standard trap nets | 9.7 (normal) | 1.2 – 20.5 | 0.49 lb | 116 |
| 2006-08-07 | Standard gill nets | 24.7 (above normal) | 1.4 – 13.8 | 0.27 lb | 74 |
| 2006-08-07 | Standard trap nets | 53.7 (above normal) | 1.2 – 20.5 | 0.16 lb | 644 |
| 1996-08-15 | Standard gill nets | 46.3 (above normal) | 1.4 – 13.8 | 0.10 lb | 139 |
| 1996-08-15 | Standard trap nets | 10.5 (normal) | 1.2 – 20.5 | 0.23 lb | 126 |
| 1982-08-26 | Standard trap nets | 3.3 (normal) | 1.2 – 20.5 | 0.30 lb | 26 |
| 2001-08-15 | Standard gill nets | 0.3 (below normal) | 1.4 – 13.8 | 0.51 lb | 2 |
| 2001-08-15 | Standard trap nets | 1.8 (normal) | 1.2 – 20.5 | 0.05 lb | 21 |
White Sucker
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1987-08-26 | Standard trap nets | 1.6 (normal) | 0.3 – 2.6 | 1.46 lb | 13 |
| 2016-08-15 | Standard gill nets | 1.5 (normal) | 0.8 – 6.5 | 2.19 lb | 6 |
| 1991-07-08 | Standard trap nets | 1.5 (normal) | 0.3 – 2.6 | 1.44 lb | 12 |
| 2022-08-15 | Standard gill nets | 1.3 (normal) | 0.8 – 6.5 | 2.32 lb | 4 |
| 2006-08-07 | Standard gill nets | 0.7 (below normal) | 0.8 – 6.5 | 1.34 lb | 2 |
| 2006-08-07 | Standard trap nets | 0.4 (normal) | 0.3 – 2.6 | 1.45 lb | 5 |
| 1996-08-15 | Standard trap nets | 1.6 (normal) | 0.3 – 2.6 | 2.69 lb | 19 |
| 1982-08-26 | Standard gill nets | 8.0 (above normal) | 0.8 – 6.5 | 2.12 lb | 16 |
| 2001-08-15 | Standard gill nets | 0.2 (below normal) | 0.8 – 6.5 | 0.03 lb | 1 |
| 2001-08-15 | Standard trap nets | 0.6 (normal) | 0.3 – 2.6 | 1.44 lb | 7 |
White Crappie
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2016-08-15 | Standard gill nets | 0.3 (below normal) | 0.5 – 8.4 | 0.29 lb | 1 |
| 2016-08-15 | Standard trap nets | 1.8 (normal) | 0.3 – 6.0 | 0.37 lb | 18 |
| 2022-08-15 | Standard trap nets | 0.3 (normal) | 0.3 – 6.0 | 0.30 lb | 4 |
Hybrid Sunfish
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2016-08-15 | Standard trap nets | 0.1 | — | 0.16 lb | 1 |
| 2022-08-15 | Standard trap nets | 0.2 | — | 0.39 lb | 2 |
| 1982-08-26 | Standard gill nets | 0.5 | — | 0.06 lb | 1 |
Brown Bullhead
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2022-08-15 | Standard trap nets | 0.1 (below normal) | 0.4 – 4.5 | 0.40 lb | 1 |
BIB
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2022-08-15 | Standard gill nets | 10.3 (above normal) | 0.8 – 7.0 | 2.85 lb | 31 |
| 2022-08-15 | Standard trap nets | 0.8 (normal) | 0.2 – 1.0 | 4.31 lb | 9 |
Channel Catfish
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2006-08-07 | Standard gill nets | 7.0 | — | 1.82 lb | 21 |
| 2006-08-07 | Standard trap nets | 2.6 | — | 0.67 lb | 31 |
| 1996-08-15 | Standard gill nets | 1.3 | — | 0.95 lb | 4 |
| 1996-08-15 | Standard trap nets | 0.3 | — | 0.73 lb | 3 |
Fathead Minnow
| Date | Gear | CPUE | Normal Range | Total Catch |
| 1996-08-15 | Survey seining | 215.0 | — | 430 |
| 2001-08-15 | Survey seining | 5.3 | — | 21 |
Johnny Darter
| Date | Gear | CPUE | Normal Range | Total Catch |
| 1996-08-15 | Survey seining | 6.0 | — | 12 |
| 2001-08-15 | Survey seining | 1.0 | — | 4 |
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Fish Species
Species known to inhabit Loon. Click any species for a full fishing guide.
Other Lakes in Blue Earth County
Data sourced from Minnesota DNR Division of Fish and Wildlife. Last verified: March 19, 2026.
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