Town Line Lake
Cass County, Minnesota, near Longville. DNR lake ID 11019000.
Town Line Lake is a 697.7-acre lake in Cass County, Minnesota, near Longville. Its deepest point reaches 11 ft, and about 100% of the lake is shallower than 15 feet. Summer water clarity averages 6.2 feet in Minnesota Pollution Control Agency monitoring, which places it in the mesotrophic nutrient class. The DNR lists it for Eurasian watermilfoil. DNR surveys document northern pike, largemouth bass, black crappie, bluegill, yellow perch.
Buying or selling on Town Line Lake? Ask us what lakeshore here actually sells for, which stretches of shoreline buyers compete for, and what’s coming up before it’s listed.
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Quick facts
| DNR lake ID | 11019000 |
|---|---|
| County | Cass County, near Longville |
| Surface area | 697.7 acres |
| Maximum depth | 11 ft |
| Share under 15 ft | 100% |
| Water clarity (summer) | 6.2 ft through 2023 |
| Phosphorus (summer) | 10.0 µg/L |
| Algae, chlorophyll-a (summer) | 2.5 µg/L |
| Nutrient class | Mesotrophic |
| Invasive species | Eurasian watermilfoil |
| Public water accesses | 1 |
Water quality
Summer averages from Minnesota Pollution Control Agency monitoring through 2023: clarity 6.2 ft, phosphorus 10.0 µg/L, algae (chlorophyll-a) 2.5 µg/L. Using the Carlson trophic state index, Town Line Lake rates as mesotrophic.
Fishing on Town Line Lake
The most recent DNR standard fish survey was in 2018 (8 years ago). Catch per net is compared with the DNR’s typical range for lakes of the same type.
| Species | Net | Catch per net | Typical range |
|---|---|---|---|
| Northern pike | gill | 34.83 | 4.6 to 11.6 |
| Northern pike | trap | 8.44 | n/a |
| Yellow perch | gill | 10.5 | 8.0 to 40.3 |
| Yellow perch | trap | 0.44 | 0.8 to 4.5 |
| Black crappie | gill | 1.67 | 1.0 to 7.3 |
| Black crappie | trap | 4.78 | 0.8 to 6.5 |
| Bluegill | gill | 6.67 | n/a |
| Bluegill | trap | 26.11 | 2.5 to 25.0 |
| Largemouth bass | gill | 1.33 | 0.3 to 1.3 |
| Pumpkinseed | gill | 4.0 | n/a |
| Pumpkinseed | trap | 1.89 | 1.4 to 8.6 |
| Rock bass | gill | 0.17 | 0.3 to 1.8 |
| Rock bass | trap | 0.11 | 0.3 to 1.4 |
| Hybrid sunfish | trap | 0.22 | n/a |
Largest fish measured in recent DNR samples: Walleye 19.0 in (2001), Largemouth bass 14.0 in (2018), Northern pike 33.0 in (2018).
Game and panfish documented since 2005: Northern pike, Largemouth bass, Black crappie, Bluegill, Yellow perch, Pumpkinseed, Hybrid sunfish, Rock bass.
Fishing regulations
No lake-specific regulation found in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Regulations change. Confirm with the DNR before fishing.
Invasive species
On the Minnesota DNR infested waters list for: Eurasian watermilfoil (listed 2009).
Public boat access
- Town Line Lake: 1 concrete slab launch ramp, 1 dock, 4 trailer spaces. 13 mi W of Remer on Hwy 200 then 1 mi N on Cnty Rd 8 on W shore. Directions
DNR water access records (2023). Confirm current conditions with the DNR.
Nearby lakes
- Maple Lake 3.2 mi, Cass County
- Kego Lake 3.4 mi, Cass County
- Lomish Lake 3.5 mi, Cass County
- Boy Lake 3.5 mi, Cass County
- Long Lake 3.6 mi, Cass County
- Three Island Lake 3.8 mi, Cass County
- Portage Lake 4.4 mi, Cass County
- Boxell Lake 4.6 mi, Cass County
Questions about Town Line Lake
How deep is Town Line Lake?
Town Line Lake reaches a maximum depth of 11 ft according to Minnesota DNR records. About 100% of the lake is shallower than 15 feet.
How big is Town Line Lake?
Town Line Lake covers about 697.7 acres in Cass County, Minnesota.
How clear is Town Line Lake?
Summer water clarity on Town Line Lake averages 6.2 feet (Secchi depth) in MPCA monitoring through 2023. Its trophic state is mesotrophic.
Does Town Line Lake have zebra mussels or other invasive species?
The Minnesota DNR infested waters list includes Town Line Lake for Eurasian watermilfoil.
What fish are in Town Line Lake?
Minnesota DNR surveys document northern pike, largemouth bass, black crappie, bluegill, yellow perch, pumpkinseed, hybrid sunfish, rock bass in Town Line Lake. The most recent standard survey was in 2018.
Where is the public boat access on Town Line Lake?
Town Line Lake has 1 public water access site on DNR record: Town Line Lake.
How is the walleye population on Town Line Lake?
In Minnesota DNR net surveys from 1990 to 2001, walleye numbers on Town Line Lake ran mostly below the typical range for similar lakes. Nets measure how many fish a lake holds, not where they’re biting, so local guides are the best source for current fishing.
Are there lake homes for sale on Town Line Lake?
Homes on Town Line Lake come up for sale throughout the year, and some sell before they’re ever publicly advertised. Tell us what you’re looking for and our agents will run a custom search and send you matching homes on Town Line Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Town Line Lake?
A mid-size lake with room for boating and fishing, about 100% shallow shoreline under 15 feet, and summer clarity around 6.2 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Town Line Lake?
No lake-specific regulation was found for Town Line Lake in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Ask us about Town Line Lake
Whether you’re buying, selling, or just curious, our team works Cass County lakes every day. Send us a note or call (218) 656-6469.
Sources: Minnesota DNR LakeFinder records, DNR fish surveys (latest 2018), DNR infested waters list (Sept 2026), Minnesota Rules 6264.0400 (April 2026), MPCA monitoring via the Water Quality Portal, DNR water access records (2023), LAGOS-US. Lakewide information from public data; it does not describe any specific property. Verify shoreline, bottom type, and depth at any frontage.