Agate Lake
Crow Wing County, Minnesota, near Cuyuna. DNR lake ID 18006000.
Agate Lake is a 187-acre lake in Crow Wing County, Minnesota, near Cuyuna. Its deepest point reaches 25 ft, and about 42% of the lake is shallower than 15 feet. Summer water clarity averages 12.1 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.
Buying or selling on Agate 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 | 18006000 |
|---|---|
| County | Crow Wing County, near Cuyuna |
| Surface area | 187 acres |
| Maximum depth | 25 ft |
| Share under 15 ft | 42% |
| Water clarity (summer) | 12.1 ft through 2025 |
| Phosphorus (summer) | 25.0 µg/L |
| Algae, chlorophyll-a (summer) | 5.4 µg/L |
| Nutrient class | Mesotrophic |
| Clarity trend | Steady (2016 to 2025) |
| Invasive species | Not on DNR infested waters list (Sept 2026) |
| Public water accesses | 0 |
Water quality
Summer averages from Minnesota Pollution Control Agency monitoring through 2025: clarity 12.1 ft, phosphorus 25.0 µg/L, algae (chlorophyll-a) 5.4 µg/L. Using the Carlson trophic state index, Agate Lake rates as mesotrophic. Summer clarity trend 2016 to 2025: steady.
Fishing on Agate Lake
The most recent DNR standard fish survey was in 1989 (37 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 |
|---|---|---|---|
| Walleye | gill | 0.33 | 0.5 to 3.0 |
| Northern pike | gill | 5.0 | 4.8 to 12.5 |
| Yellow perch | gill | 56.0 | 2.0 to 21.5 |
| Yellow perch | trap | 0.5 | 0.3 to 2.8 |
| Black crappie | gill | 0.67 | 1.0 to 4.8 |
| Black crappie | trap | 3.25 | 0.8 to 4.3 |
| Bluegill | gill | 5.33 | n/a |
| Bluegill | trap | 91.25 | 8.3 to 50.1 |
| Largemouth bass | gill | 3.0 | 0.3 to 1.8 |
| Largemouth bass | trap | 2.5 | 0.3 to 1.4 |
| Pumpkinseed | gill | 0.67 | n/a |
| Pumpkinseed | trap | 9.5 | 2.8 to 10.3 |
| Rock bass | gill | 1.0 | 0.3 to 1.2 |
| Rock bass | trap | 7.0 | 0.5 to 1.5 |
Walleye catch was below the typical range for similar lakes in that survey.
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
No public water access on DNR record.
Nearby lakes
- Cascade Lake 0.7 mi, Crow Wing County
- Black Lake 1.3 mi, Crow Wing County
- Serpent Lake 1.3 mi, Crow Wing County
- Reno Lake 2.2 mi, Crow Wing County
- Rabbit (East Portion) Lake 2.3 mi, Crow Wing County
- Clinker Lake 2.4 mi, Crow Wing County
- Rice Lake 2.4 mi, Crow Wing County
- Carlson Lake 2.6 mi, Crow Wing County
Questions about Agate Lake
How deep is Agate Lake?
Agate Lake reaches a maximum depth of 25 ft according to Minnesota DNR records. About 42% of the lake is shallower than 15 feet.
How big is Agate Lake?
Agate Lake covers about 187 acres in Crow Wing County, Minnesota.
How clear is Agate Lake?
Summer water clarity on Agate Lake averages 12.1 feet (Secchi depth) in MPCA monitoring through 2025. Its trophic state is mesotrophic.
Does Agate Lake have zebra mussels or other invasive species?
Agate 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.
Are there lake homes for sale on Agate Lake?
Homes on Agate 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 Agate Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Agate Lake?
Small, quiet water suited to paddling and fishing, about 42% shallow shoreline under 15 feet, and summer clarity around 12.1 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Agate Lake?
No lake-specific regulation was found for Agate Lake in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Ask us about Agate Lake
Whether you’re buying, selling, or just curious, our team works Crow Wing County lakes every day. Send us a note or call (218) 656-6469.
Sources: Minnesota DNR LakeFinder records, DNR fish surveys (latest 1989), 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.