Walleye Stocked · 19 plants · last 2025 Best: dawn, dusk, night Delton Lake fishing
Delton Lake fishing is stocked with Bluegill, Channel Catfish, Fathead Minnow, Walleye, Largemouth Bass, Smallmouth Bass, and 1 more on a reservoir. It is stocked about 2.2 times a year since 2010. Species guides list dawn, day, and dusk for Bluegill and Northern Pike, dusk and night for Channel Catfish, and dawn, dusk, and night for Walleye.
- Last stocked
- 2025
- Walleye
- Plants on record
- 35
- Since 2010
- Species recorded
- 7
- Average size
- 4.4 in
- Surface acres
- 250.7
Fish at Delton Lake
Walleye Stocked · 19 plants · last 2025 Best: dawn, dusk, night 
Fathead Minnow Stocked · 7 plants · last 2024 Last stocked 2024 · avg 2.1 in · 7 plants
Fathead Minnow species guide
Bluegill Stocked · 5 plants · last 2015 Best: dawn, day, dusk 
Channel Catfish Stocked · 1 plant · last 2010 Best: dusk, night 
Largemouth Bass Stocked · 1 plant · last 2010 Best: dawn, dusk 
Northern Pike Stocked · 1 plant · last 2013 Best: dawn, day, dusk 
Smallmouth Bass Stocked · 1 plant · last 2010 Best: dawn, dusk Largemouth Bass and Walleye are common in the lake, while Panfish, Northern Pike, and Catfish are also present for anglers to pursue. (apps.dnr.wi.gov, accessed September 22, 2026)
Drafted by AI from the cited sources and checked before publishing.
How Delton Lake is stocked
No plants recorded in 2012, 2020, and 2022.
Fish stocked in 2010
307,826
Fish stocked in 2011
1,237,407
Fish stocked in 2013
153,554
Fish stocked in 2014
1,958
Fish stocked in 2015
7,982
Fish stocked in 2016
43,665
Fish stocked in 2017
2,211
Fish stocked in 2018
362
Fish stocked in 2019
1,358
Fish stocked in 2021
186,980
Fish stocked in 2023
335,040
Fish stocked in 2024
251,300
Fish stocked in 2025
2,670
Stocking history
| Date | Species | Quantity | Avg. length | Source |
|---|---|---|---|---|
| 2025 | Walleye | 2,670 | 6.52 in | report |
| 2024 | Walleye | 1,300 | 6 in | report |
| 2024 | Fathead Minnow | 250,000 | 2 in | report |
| 2023 | Fathead Minnow | 333,500 | 2 in | report |
| 2023 | Walleye | 1,540 | 6.58 in | report |
| 2021 | Fathead Minnow | 185,000 | 2 in | report |
| 2021 | Walleye | 339 | 8 in | report |
| 2021 | Walleye | 1,641 | 7 in | report |
| 2019 | Walleye | 1,358 | 4.5 in | report |
| 2018 | Walleye | 362 | 5.2 in | report |
| 2017 | Walleye | 2,211 | 5.5 in | report |
| 2016 | Walleye | 1,165 | 5.8 in | report |
| 2016 | Fathead Minnow | 42,500 | 2 in | report |
| 2015 | Bluegill | 4,000 | 4 in | report |
| 2015 | Walleye | 3,982 | 5.89 in | report |
| 2014 | Walleye | 700 | 7 in | report |
| 2014 | Walleye | 1,258 | 6 in | report |
| 2013 | Fathead Minnow | 40,000 | 2 in | report |
| 2013 | Bluegill | 40,000 | 2 in | report |
| 2013 | Walleye | 3,554 | 5.9 in | report |
| 2013 | Northern Pike | 70,000 | 1 in | report |
| 2011 | Fathead Minnow | 1,199,980 | 2 in | report |
| 2011 | Walleye | 9,345 | 1.47 in | report |
| 2011 | Walleye | 1,382 | 7.36 in | report |
| 2011 | Bluegill | 26,700 | 1.5 in | report |
| 2010 | Walleye | 4,806 | 1.66 in | report |
| 2010 | Walleye | 1,013 | 5.6 in | report |
| 2010 | Smallmouth Bass | 1,667 | 4.5 in | report |
| 2010 | Bluegill | 2,000 | 2 in | report |
| 2010 | Largemouth Bass | 6,675 | 3.3 in | report |
| 2010 | Walleye | 1,670 | 8 in | report |
| 2010 | Walleye | 1,000 | 7.5 in | report |
| 2010 | Fathead Minnow | 265,000 | 2.5 in | report |
| 2010 | Channel Catfish | 1,000 | 8 in | report |
| 2010 | Bluegill | 22,995 | 3 in | report |
Access and facts
- Water type
- reservoir
- Nearest town
- Lake Delton, WI
- Facilities
- dock
Main launch: a paved ramp in a south-side bay at Canyon Dr and Adams St, with a seasonal boarding dock and parking for 11-15 rigs. Two smaller ramps are on Hiawatha Dr and Clare Isle Dr. Shore anglers use a free fishing pier off Dam Rd and the shoreline along County Hwy A.
Drafted by AI from the cited sources and checked before publishing.
Advisories, closures, regulations and water conditions change. Check the Wisconsin Department of Natural Resources before you go.
About Delton Lake
Anglers should be aware that Delton Lake has low water clarity. There is also an invasive species, Curly-Leaf Pondweed, present in the lake, which could impact fishing conditions. (apps.dnr.wi.gov, accessed September 22, 2026)(apps.dnr.wi.gov, accessed September 22, 2026)
Drafted by AI from the cited sources and checked before publishing.
Nearest lakes
Common questions
What fish are at Delton Lake?
Fishing Delton Lake usually means Walleye: Walleye accounts for 19 of 35 plants on record, ahead of Fathead Minnow and 5 more. Walleye was last stocked 2025, averaging 5.9 in. Fathead Minnow was last stocked 2024, averaging 2.1 in. Bluegill was last stocked 2015, averaging 2.5 in. Channel Catfish was last stocked 2010, averaging 8 in. 3 more species are on the stocking report.
When is Delton Lake stocked?
Last stocked 2025. It is stocked about 2.2 times a year since 2010. No plants recorded in 2012, 2020, and 2022.
How big are the fish stocked at Delton Lake?
Stocked fish average 4.4 in. Walleye average 5.9 in. Fathead Minnow average 2.1 in. Bluegill average 2.5 in. Channel Catfish average 8 in.
How do you get on Delton Lake?
The nearest town is Lake Delton, WI. Facilities include dock. Main launch: a paved ramp in a south-side bay at Canyon Dr and Adams St, with a seasonal boarding dock and parking for 11-15 rigs. Two smaller ramps are on Hiawatha Dr and Clare Isle Dr. Shore anglers use a free fishing pier off Dam Rd and the shoreline along County Hwy A.