Thomas Lake
About Thomas Lake
Thomas Lake is a 41-acre lake near Eagan in Dakota County, Minnesota. It reaches 8 feet at its deepest point, and has roughly 2.6 miles of shoreline. DNR surveys put average water clarity at about 4.5 feet.
Minnesota DNR fisheries surveys list 6 fish species here, including largemouth bass, black crappie, bluegill, and pumpkinseed. The DNR has stocking records for the lake, so check the stocking report for the most recent species and year classes. The most recent fisheries survey on file dates to 2016.
The DNR lists public water access for the lake; confirm the launch type before towing a trailer in. The lake is listed as infested with Eurasian watermilfoil — clean, drain and dry your boat and gear before leaving. Ice typically goes out around April 4, based on 7 years of DNR ice-out records.
Plan Your Visit to Thomas Lake
- 41 acres, up to 8 feet deep, near Eagan
- Public access on record — bring a boat you can hand-launch unless you confirm a ramp
- Game fish on the DNR survey: largemouth bass, black crappie, bluegill, and pumpkinseed
- Average water clarity around 4.5 feet
- Listed as infested with Eurasian watermilfoil — clean, drain and dry before you leave
Access & Fees
- Public access
- Public access on record
- Launch fee
- Free at DNR accesses
Conditions
- Surface area
- 41 acres
- Max depth
- 8 ft
- Shoreline
- 2.6 mi
- Water clarity
- 4.5 ft
- Shallows (under 15 ft)
- 38 acres
Rules & Regulations
- A Minnesota fishing license is required for anglers 16 and older
- Drain plugs must be out and all water drained before leaving any access; remove aquatic plants from boats and trailers
- Children under 10 must wear a life jacket on a boat that is underway
Facilities
No developed facilities on record. Plan to be self-sufficient.
- Ice is never completely safe — check thickness yourself before walking or driving on any lake
Angler's Report
Minnesota DNR LakeFinder- Species on survey
- 6
- Game fish
- 4
- Stocked
- Yes
- Last DNR survey
- 2016
- Special regulations
- No
- Fishing pier
- No
- Ice fishing
- Yes
- Boat launch
- No
Fishing data: Minnesota Department of Natural Resources. Regulations change — confirm with the current DNR fishing regulations.
Ice-Out History
- Median ice-out
- April 4
- Years of record
- 7
- Earliest
- March 25, 2007
- Latest
- April 16, 2008
- Most recent
- April 7, 2022
See every lake on the ice-out tracker. Ice-out data: Minnesota DNR State Climatology Office.
Activities
Amenities
Fish Species
Plan your trip to Thomas Lake
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Frequently Asked Questions
Where is Thomas Lake?
Thomas Lake is in Dakota County, Minnesota, near Eagan. It covers 41 acres and reaches 8 feet deep.
How big and how deep is Thomas Lake?
Thomas Lake covers 41 acres with about 2.6 miles of shoreline. Its maximum depth is 8 feet.
What fish can you catch at Thomas Lake?
Minnesota DNR surveys list Largemouth Bass, Black Crappie, Bluegill, and Pumpkinseed. A Minnesota fishing license is required for anyone 16 and older.
Is there a public boat launch on Thomas Lake?
Public access is on record, but not a trailer ramp: public access on record.
Can you swim at Thomas Lake?
There is no mapped public swim beach at Thomas Lake. Minnesota's public waters are open to swimming where you have legal access, but there are no lifeguards or water-quality monitoring away from designated beaches.
Is Thomas Lake stocked?
Yes. The Minnesota DNR has stocking records for Thomas Lake; species and numbers vary by year, so see the stocking report on DNR LakeFinder.
When does the ice go out on Thomas Lake?
The median ice-out date is April 4, from 7 years of Minnesota DNR records. The earliest on record is March 25, 2007 and the latest is April 16, 2008.
Does Thomas Lake have invasive species?
Yes. The DNR lists Thomas Lake as infested with Eurasian watermilfoil. State law requires you to clean off plants, pull the drain plug and drain all water before leaving the access.