Last stocked
January 1, 2025
Plants on record
26
Since 2010
Species recorded
3
Average size
7.6 in
Surface acres
139.6
Access and facts
- Water type
- reservoir
- Nearest town
- Dodgeville, WI
- Shore access
- Yes
- Boat ramp
- Yes
- ADA accessible
- Yes
- Fee required
- Yes
- Facilities
- restrooms, dock
Twin Valley Lake, in Gov. Dodge State Park, has an ADA-accessible ramp, boarding dock, and vault toilets; shore fishing is available, electric motors only, and a state park vehicle sticker is required.
Sources: water_type , access.boat_ramp , access.shore , access.ada , access.fee , facilities , nearest_town , shore_notes , fishing_notes , fishing_notes , watch_outs
How Twin Valley Lake is stocked
The first plant of the year usually falls in the first week of January. In 2025 it was January 1, 2025, about when it usually is.
No plants recorded in 2022 and 2024.
About 982 reported fish per acre, 3rd most of 5 lakes in Iowa County with both a fish count and a surface area.
Fish at Twin Valley Lake
Fishing Twin Valley Lake is most likely to be for Muskellunge. Muskellunge accounts for 11 of 26 plants on record, ahead of Walleye and one more.
Muskellunge 11 plants
- Plants
- 11 of 26
- Last stocked
- January 1, 2025
- Average length
- 11.1 in
Walleye 10 plants
- Plants
- 10 of 26
- Last stocked
- January 1, 2025
- Average length
- 6 in
Largemouth Bass 5 plants
- Plants
- 5 of 26
- Last stocked
- January 1, 2014
- Average length
- 3.2 in
Fishing Twin Valley Lake
Twin Valley Lake offers diverse fishing opportunities, with available species including Musky, Panfish, Largemouth Bass, Trout, and Walleye. Anglers can enjoy shore fishing at this location. The lake is restricted to electric motors and a slow no-wake speed, influencing how one navigates and fishes the waters.
Sources: apps.dnr.wi.gov , dnrmaps.wi.gov
What to watch for
Anglers should be aware of aquatic invasive species in Twin Valley Lake, which include the Chinese Mystery Snail, Curly-Leaf Pondweed, and Eurasian Water-Milfoil.
Fish stocked per year
- 2,5002010
- 99,8702011
- 14,9502012
- 7,6252013
- 3,9432014
- 1,5072015
- 1512016
- 1,3592017
- 972018
- 1,3592019
- 4002020
- 1,6312021
- 1352023
- 1,4942025
Stocking history
Showing 15 of 26 plants Showing 26 plants
| Date | Species | Quantity | Avg. length | Source |
|---|---|---|---|---|
| January 1, 2025 | Walleye | 1,359 | 6.5 in | report |
| January 1, 2025 | Muskellunge | 135 | 10.75 in | report |
| January 1, 2023 | Muskellunge | 135 | 11 in | report |
| January 1, 2021 | Walleye | 1,483 | 7 in | report |
| January 1, 2021 | Muskellunge | 148 | 12 in | report |
| January 1, 2020 | Walleye | 400 | 7 in | report |
| January 1, 2019 | Walleye | 1,359 | 6.2 in | report |
| January 1, 2018 | Muskellunge | 97 | 12.2 in | report |
| January 1, 2017 | Walleye | 1,359 | 3.4 in | report |
| January 1, 2016 | Muskellunge | 151 | 10.8 in | report |
| January 1, 2015 | Muskellunge | 148 | 11.8 in | report |
| January 1, 2015 | Walleye | 1,359 | 7 in | report |
| January 1, 2014 | Largemouth Bass | 3,795 | 3.2 in | report |
| January 1, 2014 | Muskellunge | 148 | 9.5 in | report |
| January 1, 2013 | Walleye | 1,520 | 6.6 in | report |
| January 1, 2013 | Muskellunge | 158 | 11.35 in | report |
| January 1, 2013 | Largemouth Bass | 5,947 | 3 in | report |
| January 1, 2012 | Muskellunge | 150 | 9.6 in | report |
| January 1, 2012 | Largemouth Bass | 14,800 | 2.45 in | report |
| January 1, 2011 | Walleye | 94,400 | 0.4 in | report |
| January 1, 2011 | Largemouth Bass | 3,800 | 3.3 in | report |
| January 1, 2011 | Walleye | 1,520 | 7.46 in | report |
| January 1, 2011 | Muskellunge | 150 | 10 in | report |
| January 1, 2010 | Muskellunge | 150 | 12.9 in | report |
| January 1, 2010 | Walleye | 1,530 | 8 in | report |
| January 1, 2010 | Largemouth Bass | 820 | 3.9 in | report |
Show 11 more plants Show less
Species stocked here
Depth-by-season, top lures, and bait notes for each species stocked here are on its own species guide, linked above.