Unnamed Lake
Itasca County, Minnesota39 acresView mapDirections
Minnesota PCA publishes the water-quality measurements for Unnamed Lake. Here is what has been measured.
- Eurasian watermilfoil
- 53 ft max depth
- Public access
- Limited data
Unnamed Lake in Itasca County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 13 ft visibility. Maximum depth: 53 ft. Surface area: 38.97 acres.
Minnesota DNR's Standard Survey on July 28, 2014 caught 3.25 northern pike per gill net at Unnamed Lake. Length samples in the latest survey that recorded them ran 14–31 inches. DNR survey details →
Unnamed Lake is a 39-acre lake in Itasca County, Minnesota with a maximum depth of 53 feet (23-foot average). Overall water quality is improving over recent sampling years. The lake supports 9 documented fish species including black crappie, bluegill, and bowfin (dogfish). Public access is available.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2024-07-28. Methodology: how these readings are compared.
What Unnamed Lake is good for
From access and monitoring records, not editorial picks.
- Clear water13 ft of visibility
- Fishing9 species recorded
- Ice seasonIce-out around Apr 18
- Deep water53 ft surveyed max depth
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Unnamed Lake is safe to swim in today is a call for the Minnesota Pollution Control Agency and the Minnesota DNR and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Unnamed Lake
These are the measurements Minnesota PCA publishes for Unnamed Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Good clarity, visible to about 13 ft. TSI 40.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 13ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 40 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Unnamed Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Unnamed Lake typically sits around 50°F at the surface in September. Summer average is about 57°F. Usually warmest in Aug (about 63°F) and coldest in May (about 46°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (46°F) to its warmest (63°F).
Typical surface water temperature by month, from 40 field readings (2016–2023) via the EPA Water Quality Portal. See the full Unnamed Lake water temperature breakdown →
Minnesota DNR's Standard Survey on July 28, 2014 caught 3.25 northern pike per gill net at Unnamed Lake. Length samples in the latest survey that recorded them ran 14–31 inches.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Unnamed Lake’s water-quality measurements separately, and the water-quality trend over 4 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
DNR Fisheries Survey Summary
5 surveys on file from MN DNR Fisheries. Most recent: 2014-07-28 (Standard Survey).
5 surveys on file · most recent 2014-07-28 (Standard Survey)
| Species | Catch rate (CPUE) | Size | Avg weight |
|---|---|---|---|
| Bluegill | 8.35 | 2–7 in 2014-07-28 | 0.13 lb |
| Northern Pike | 3.27 | 14–31 in 2014-07-28 | 1.63 lb |
| Black Crappie | 1.89 | 5–10 in 2014-07-28 | 0.2 lb |
| Brown Bullhead | 1.88 | 10–12 in 1999-08-23 | 0.93 lb |
| Black Bullhead | 1.75 | 0.44 lb | |
| Yellow Bullhead | 1.43 | 8–11 in 2014-07-28 | 0.66 lb |
CPUE = catch per unit effort, fish caught per net per set in a standardised survey. It measures abundance, not size, and is not a weekly bite report.
Length Distributions
Number of fish caught at each inch class in the most recent survey that recorded lengths. Red dashed line marks an approximate trophy threshold for that species.
Bluegill
Northern Pike
Black Crappie
Brown Bullhead
From the 2014-07-28 survey
Ice Lake is a small, mesotrophic lake located in Grand Rapids, Minnesota. Ice Lake has a surface area of 42 acres, a littoral area of 13 acres, and a maximum depth of 53 feet. The lake is clear and the Secchi depth was 10 feet during the 2014 assessment. Ice Lake has an inlet from McKinney Lake and outlets to Hale…
DNR Reports & Resources
Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Unnamed Lake. 3 reports on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- —Fisheries Lake Survey — IceFisheries Lake Survey · MN DNR LakeFinder
- —Aquatic Plant Report — Ice (0605)Aquatic Plant Report · MN DNR LakeFinder
- —Public Water Access Sites — IcePublic Water Access Sites · MN DNR LakeFinder
Lake Details
Max depth
53 ft
Average depth
23 ft
Surface area
39 acres
Shoreline
1.1 mi
Littoral zone
33%
Share shallower than 15 ft
Public access
Yes
Listed by Minnesota PCA
Lake Size & Watershed
Watershed (drainage) area
3 sq mi
HydroLAKES / HydroSHEDS
Elevation
1,286 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Stays via Stay22
Stays near Unnamed Lake
Compare lakeside cabins, hotels, and vacation rentals near Unnamed Lake in Itasca County, Minnesota — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Unnamed Lake
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Follow Unnamed Lake’s readings
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Fish Species
Click a species to see every lake where it is documented.
Fishing Unnamed Lake
Invasive & Introduced Species
Red chips are ecologically harmful invasive species. Gray chips are stocked or introduced fish that aren't a current ecological concern.
Water Quality Trend: Improving
Based on 4 years of monitoring (2021–2024).
Water clarity
Improving4 years
Ice season
Typical ice-out
Apr 18
Earliest Mar 30, 2000 · Latest May 5, 1996
Typical ice-in
Nov 24
Earliest Nov 12, 1995 · Latest Dec 8, 1998
Most recent ice-out
Apr 18
2025
31 observations · Minnesota PCA ice records
Regulated Pollution Sources Nearby
2 EPA-permitted facilities operate within about 5 miles of Unnamed Lake under Clean Water Act (NPDES) discharge permits, including 1 classified by the EPA as major discharger. 1 facility has a reported Clean Water Act violation in the past three years.
- Grand Rapids WwtpGrand Rapids · 2.4 mi away · NPDES MN0022080MajorRecent violation
- Minnesota Power Rapids EnergyGrand Rapids · 0.8 mi away · NPDES MN0066559
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Nearby Lakes in Itasca County
Frequently asked questions about Unnamed Lake
Where is Unnamed Lake?
- Unnamed Lake is a lake in Itasca County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Unnamed Lake?
- Unnamed Lake in Itasca County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 13 ft visibility. Maximum depth: 53 ft. Surface area: 38.97 acres.
Is Unnamed Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
What is the water temperature of Unnamed Lake?
- Unnamed Lake typically sits around 50°F at the surface in September, from 40 EPA Water Quality Portal field readings (2016–2023). That is a typical value for the month, not a live reading.
How deep is Unnamed Lake?
- Unnamed Lake has a maximum depth of 53 feet and an average depth of 23 feet. The lake covers 38.97 acres.
What fish are in Unnamed Lake?
- Fish species found in Unnamed Lake include black crappie, bluegill, bowfin (dogfish), green sunfish, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, yellow bullhead. Unnamed Lake is located in Itasca County, Minnesota.
What did the DNR fisheries survey find at Unnamed Lake?
- Minnesota DNR's Standard Survey on July 28, 2014 caught 3.25 northern pike per gill net at Unnamed Lake. Length samples in the latest survey that recorded them ran 14–31 inches. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Unnamed Lake’s water-quality measurements separately, and the water-quality trend over 4 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
When does Unnamed Lake thaw?
- Unnamed Lake typically has ice-out around Apr 18. Ice typically forms around Nov 24. The open water season is approximately 220 days.
Can I fish at Unnamed Lake?
- Public access to Unnamed Lake is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by Minnesota's fish and wildlife agency, so check its current regulations before you go.
Explore Unnamed Lake across LakeQuality
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Where this data comes from
15 measurements from 1 monitoring station, 2021–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Minnesota Pollution Control Agency - Ambient Surface Water
MNPCA15 samples · 2021–2024
Analytical methods
- Field measurement/observation, generic method
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Lake size & watershed from HydroLAKES (HydroSHEDS)
Lake details from Minnesota DNR LakeFinder
Ice data from Minnesota DNR Climate