Silver Lake
Cass County, Minnesota, near Longville. DNR lake ID 11020200.
Silver Lake is a 121.2-acre lake in Cass County, Minnesota, near Longville. Its deepest point reaches 20 ft, and about 57% of the lake is shallower than 15 feet. Summer water clarity averages 12.4 feet in Minnesota Pollution Control Agency monitoring, which places it in the mesotrophic nutrient class. It is not on the DNR infested waters list as of September 2026. DNR surveys document northern pike, largemouth bass, black crappie, bluegill, yellow perch.
Buying or selling on Silver 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 | 11020200 |
|---|---|
| County | Cass County, near Longville |
| Surface area | 121.2 acres |
| Maximum depth | 20 ft |
| Share under 15 ft | 57% |
| Water clarity (summer) | 12.4 ft through 2023 |
| Phosphorus (summer) | 12.6 µg/L |
| Algae, chlorophyll-a (summer) | 4.3 µg/L |
| Nutrient class | Mesotrophic |
| Invasive species | Not on DNR infested waters list (Sept 2026) |
| Public water accesses | 1 |
Water quality
Summer averages from Minnesota Pollution Control Agency monitoring through 2023: clarity 12.4 ft, phosphorus 12.6 µg/L, algae (chlorophyll-a) 4.3 µg/L. Using the Carlson trophic state index, Silver Lake rates as mesotrophic.
Fishing on Silver Lake
The most recent DNR standard fish survey was in 2017 (9 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 | 7.0 | 2.5 to 7.8 |
| Northern pike | trap | 0.78 | n/a |
| Yellow perch | gill | 5.5 | 1.5 to 20.5 |
| Yellow perch | trap | 0.22 | 0.5 to 3.3 |
| Black crappie | gill | 0.75 | 1.0 to 9.1 |
| Black crappie | trap | 3.44 | 1.1 to 10.6 |
| Bluegill | gill | 6.25 | n/a |
| Bluegill | trap | 46.56 | 4.3 to 32.8 |
| Largemouth bass | gill | 5.0 | 0.5 to 2.1 |
| Largemouth bass | trap | 0.56 | 0.5 to 1.4 |
Largest fish measured in recent DNR samples: Northern pike 35.0 in (2017), Walleye 26.0 in (1995), Largemouth bass 19.0 in (2017).
Game and panfish documented since 2005: Northern pike, Largemouth bass, Black crappie, Bluegill, Yellow perch.
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
Not on the Minnesota DNR infested waters list as of September 2026. That means no confirmed listing, not a guarantee the lake is free of invasive species.
Public boat access
- Silver Lake: 1 concrete slab launch ramp, 6 trailer spaces. Chippewa National Forest Directions
DNR water access records (2023). Confirm current conditions with the DNR.
Nearby lakes
- Hazel Lake 0.5 mi, Cass County
- Carnahan Lake 1.4 mi, Cass County
- Broadwater Bay 2.2 mi, Cass County
- Three Island Lake 2.3 mi, Cass County
- Cedar Lake 2.4 mi, Cass County
- Barnum Lake 2.6 mi, Cass County
- Primer Lake 2.6 mi, Cass County
- Boxell Lake 3.0 mi, Cass County
Questions about Silver Lake
How deep is Silver Lake?
Silver Lake reaches a maximum depth of 20 ft according to Minnesota DNR records. About 57% of the lake is shallower than 15 feet.
How big is Silver Lake?
Silver Lake covers about 121.2 acres in Cass County, Minnesota.
How clear is Silver Lake?
Summer water clarity on Silver Lake averages 12.4 feet (Secchi depth) in MPCA monitoring through 2023. Its trophic state is mesotrophic.
Does Silver Lake have zebra mussels or other invasive species?
Silver Lake is not on the Minnesota DNR infested waters list as of September 2026. That means there is no confirmed listing; it is not a guarantee the lake is free of invasive species.
What fish are in Silver Lake?
Minnesota DNR surveys document northern pike, largemouth bass, black crappie, bluegill, yellow perch in Silver Lake. The most recent standard survey was in 2017.
Where is the public boat access on Silver Lake?
Silver Lake has 1 public water access site on DNR record: Silver Lake.
How is the walleye population on Silver Lake?
In Minnesota DNR net surveys from 1990 to 1995, walleye numbers on Silver Lake ran mostly within 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 Silver Lake?
Homes on Silver 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 Silver Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Silver Lake?
Small, quiet water suited to paddling and fishing, about 57% shallow shoreline under 15 feet, and summer clarity around 12.4 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Silver Lake?
No lake-specific regulation was found for Silver Lake in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Ask us about Silver 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 2017), 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.