Dewey
St. Louis County, Minnesota — DOW #69091200
56 Surveys
DNR Fish Surveys
Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Dewey.
Green = above normal range. Red = below normal.
Tullibee (Cisco)
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1988-07-18 | Standard gill nets | 1.4 (normal) | 1.4 – 13.1 | 0.96 lb | 7 |
| 2007-07-23 | Standard gill nets | 2.5 (normal) | 1.4 – 13.1 | 1.70 lb | 15 |
| 1982-07-26 | Standard gill nets | 7.2 (normal) | 1.4 – 13.1 | 1.33 lb | 36 |
Northern Pike
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1988-07-18 | Standard gill nets | 4.8 (normal) | 1.8 – 5.5 | 2.61 lb | 24 |
| 1988-07-18 | Standard trap nets | 0.3 | — | 1.00 lb | 1 |
| 2007-07-23 | Standard gill nets | 6.5 (above normal) | 1.8 – 5.5 | 3.40 lb | 39 |
| 2007-07-23 | Standard trap nets | 0.8 | — | 1.87 lb | 6 |
| 1982-07-26 | Standard gill nets | 3.4 (normal) | 1.8 – 5.5 | 2.05 lb | 17 |
| 1982-07-26 | Standard trap nets | 0.6 | — | 0.74 lb | 5 |
Black Crappie
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1988-07-18 | Standard gill nets | 2.0 (normal) | 0.4 – 3.3 | 0.24 lb | 10 |
| 1988-07-18 | Standard trap nets | 1.0 (normal) | 0.8 – 4.5 | 0.23 lb | 4 |
| 2007-07-23 | Survey seining | 1.3 | — | — | 4 |
| 2007-07-23 | Standard gill nets | 1.0 (normal) | 0.4 – 3.3 | 0.33 lb | 6 |
| 2007-07-23 | Standard trap nets | 1.4 (normal) | 0.8 – 4.5 | 0.29 lb | 11 |
| 1982-07-26 | Standard gill nets | 0.4 (normal) | 0.4 – 3.3 | 0.45 lb | 2 |
| 1982-07-26 | Standard trap nets | 0.5 (below normal) | 0.8 – 4.5 | 0.20 lb | 4 |
White Sucker
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1988-07-18 | Standard gill nets | 2.6 (normal) | 2.3 – 8.7 | 2.58 lb | 13 |
| 2007-07-23 | Standard gill nets | 0.5 (below normal) | 2.3 – 8.7 | 1.95 lb | 3 |
| 1982-07-26 | Standard gill nets | 2.6 (normal) | 2.3 – 8.7 | 1.54 lb | 13 |
| 1982-07-26 | Standard trap nets | 0.4 (normal) | 0.2 – 0.9 | 2.33 lb | 3 |
Bluegill
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1988-07-18 | Standard trap nets | 6.5 (normal) | 3.2 – 21.2 | 0.12 lb | 26 |
| 2007-07-23 | Survey seining | 18.7 | — | — | 56 |
| 2007-07-23 | Standard gill nets | 1.0 | — | 0.16 lb | 6 |
| 2007-07-23 | Standard trap nets | 9.5 (normal) | 3.2 – 21.2 | 0.13 lb | 76 |
| 1982-07-26 | Standard trap nets | 6.3 (normal) | 3.2 – 21.2 | 0.31 lb | 50 |
| 1982-07-26 | Standard gill nets | 1.6 | — | 0.25 lb | 8 |
Yellow Perch
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1988-07-18 | Standard trap nets | 0.8 (normal) | 0.3 – 2.5 | 0.10 lb | 3 |
| 1988-07-18 | Standard gill nets | 0.2 (below normal) | 1.7 – 14.1 | 0.10 lb | 1 |
| 2007-07-23 | Standard trap nets | 0.1 (below normal) | 0.3 – 2.5 | 0.06 lb | 1 |
| 2007-07-23 | Survey seining | 0.3 | — | — | 1 |
| 2007-07-23 | Standard gill nets | 5.2 (normal) | 1.7 – 14.1 | 0.09 lb | 31 |
| 1982-07-26 | Standard trap nets | 0.1 (below normal) | 0.3 – 2.5 | 0.10 lb | 1 |
| 1982-07-26 | Standard gill nets | 1.2 (below normal) | 1.7 – 14.1 | 0.12 lb | 6 |
Rock Bass
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1988-07-18 | Standard trap nets | 1.0 (normal) | 0.5 – 1.8 | 0.15 lb | 4 |
| 2007-07-23 | Survey seining | 0.3 | — | — | 1 |
| 2007-07-23 | Standard gill nets | 0.3 (below normal) | 0.5 – 2.2 | 0.33 lb | 2 |
| 2007-07-23 | Standard trap nets | 0.5 (normal) | 0.5 – 1.8 | 0.25 lb | 4 |
| 1982-07-26 | Standard trap nets | 0.3 (below normal) | 0.5 – 1.8 | 0.10 lb | 2 |
| 1982-07-26 | Standard gill nets | 0.4 (below normal) | 0.5 – 2.2 | 0.60 lb | 2 |
Pumpkinseed
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1988-07-18 | Standard trap nets | 2.0 (normal) | 1.0 – 5.2 | 0.14 lb | 8 |
| 2007-07-23 | Survey seining | 1.7 | — | — | 5 |
| 2007-07-23 | Standard gill nets | 0.2 | — | 0.08 lb | 1 |
| 2007-07-23 | Standard trap nets | 0.9 (below normal) | 1.0 – 5.2 | 0.24 lb | 7 |
| 1982-07-26 | Standard trap nets | 0.4 (below normal) | 1.0 – 5.2 | 0.13 lb | 3 |
Golden Shiner
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2007-07-23 | Survey seining | 4.0 | — | 12 |
Mottled Sculpin
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2007-07-23 | Survey seining | 0.3 | — | 1 |
Bluntnose Minnow
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2007-07-23 | Survey seining | 12.3 | — | 37 |
Spottail Shiner
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2007-07-23 | Survey seining | 0.7 | — | 2 |
Largemouth Bass
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2007-07-23 | Standard electrofishing | 33.6 | — | 1.56 lb | 34 |
| 2007-07-23 | Survey seining | 4.3 | — | — | 13 |
| 1982-07-26 | Standard gill nets | 0.2 (normal) | 0.2 – 1.1 | 0.30 lb | 1 |
Common Shiner
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2007-07-23 | Survey seining | 1.0 | — | 3 |
Iowa Darter
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2007-07-23 | Survey seining | 0.7 | — | 2 |
Walleye
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2007-07-23 | Standard gill nets | 0.3 (below normal) | 2.0 – 9.7 | 2.49 lb | 2 |
Johnny Darter
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2007-07-23 | Survey seining | 0.7 | — | 2 |
BNS
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2007-07-23 | Survey seining | 15.0 | — | 45 |
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Fish Species
Species known to inhabit Dewey. Click any species for a full fishing guide.
Other Lakes in St. Louis County
Data sourced from Minnesota DNR Division of Fish and Wildlife. Last verified: March 19, 2026.
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