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LakeQuality

Elliot Lake

B
Grade B — Good
Good · #36 of 68 lakes in the county · 6.2 ft clear · Mesotrophic · 373 acres · from C
Limited DataMesotrophic

Elliot Lake in St. Louis County, Minnesota has a water quality grade of B (Good). Water clarity: 6.2 ft visibility. Phosphorus: 20.5 µg/L. Chlorophyll-a (algae): 7.4 µg/L. Maximum depth: 13 ft. Surface area: 372.93 acres.

Clarity
6.2 ft
Typical in August
71°F
Max depth
13 ft
Area
373 acres
Type
Mesotrophic
Public access
Yes

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Elliot Lake is a 373-acre mesotrophic lake in St. Louis County, Minnesota with a maximum depth of 13 feet (7-foot average). Water quality is graded B based on 2 sampling years through 2020. The lake supports 11 documented fish species including black bullhead, black crappie, and bluegill. Public access is available with 1 public boat landing. Compared to the 67 other monitored lakes in St. Louis County, Elliot Lake ranks #36 for water quality.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2020-09-15. Grade methodology: LakeGrade methodology.

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Swimming Safety

Grade only

Limited data

Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.

Good for swimming, clear water with low algae levels

Compare the safest swimming lakes near Duluth

Get alerts for Elliot Lake

Water Quality Grade: B (Good)

Murky, only visible to about 6.2 ft. Phosphorus level: 20.5 µg/L. Chlorophyll-a: 7.4 µg/L. Trophic State Index: 50.

MetricValueGrade
Water Clarity (Secchi Depth)6.2 ftNot graded
Phosphorus20.5 µg/LGood
Chlorophyll-a (Algae)7.4 µg/LGood
Trophic State Index (TSI)50Mesotrophic

Moderate nutrients, good water quality

Where to stay near Elliot Lake

Compare lakeside cabins, hotels, and vacation rentals near Elliot Lake in St. Louis 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 Elliot Lake

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Planning a whole trip? See where to stay at Minnesota’s top lakes →

Water Temperature

Elliot Lake typically sits around 71°F at the surface in August. Summer average is about 74°F. Usually warmest in Jul (about 76°F) and coldest in May (about 56°F). These are typical values by month — not a live reading.

Jan
Feb
Mar
Apr
May
56°
Jun
Jul
76°
Aug
71°
Sep
64°
Oct
Nov
Dec

Typical surface water temperature by month, from 22 field readings (20192019) via the EPA Water Quality Portal. See the full Elliot Lake water temperature breakdown →

Lake Details

CharacteristicValue
Maximum Depth13 ft
Average Depth7 ft
Surface Area373 acres
Shoreline Length4.3 mi
Littoral Zone100%
Public AccessYes

Lake Size & Watershed

Watershed (drainage) area
2 sq mi
Elevation
1,342 ft

Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).

Recreation & Access

1
Boat Landings
Yes
Public Access
  • Elliot LakePublic

Fish Species

Click a species to see every graded lake where it is documented.

Fishing Elliot Lake

DNR Fisheries Survey Summary

6 surveys on file from MN DNR Fisheries. Most recent: 2018-07-30 (Standard Survey).

Top Species by Catch Rate

SpeciesAvg CPUEAvg Weight
CNM15.94
Bluegill15.820.31 lb
BNS13.67
Largemouth Bass9.981.28 lb
Brown Bullhead7.981.02 lb
JND4.70

CPUE = catch per unit effort, averaged across surveys (excludes juvenile shoreline seining). Higher CPUE = more abundant in standardized sampling.

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

182 fish · 37 in · 2018-07-30
8442034567

Largemouth Bass

21 fish · 718 in · 2018-07-30
530789101112131415161718

Brown Bullhead

4 fish · 1214 in · 2018-07-30
320121314

From the 2018-07-30 survey

Elliot is a 373-acre lake with 100% littoral area and a maximum depth of 13 feet. The lake is located near Central Lakes, MN and has a state owned, back in access on the west side of the lake. Elliot was last surveyed in 2011. Elliot was surveyed during the summer of 2018 to update information about fish populations.…

Source: MN DNR LakeFinder Fisheries Lake Survey

DNR Reports & Resources

Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Elliot Lake. 3 reports on file.

These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).

County Ranking

Ranked #36 of 68 lakes in St. Louis County

Nearby Lakes in St. Louis County

Frequently asked questions about Elliot Lake

What is the water quality grade for Elliot Lake?

Elliot Lake in St. Louis County, Minnesota has a water quality grade of B (Good). Water clarity: 6.2 ft visibility. Phosphorus: 20.5 µg/L. Chlorophyll-a (algae): 7.4 µg/L. Maximum depth: 13 ft. Surface area: 372.93 acres.

Is Elliot Lake safe to swim in?

Good for swimming, clear water with low algae levels. Elliot Lake has a water quality grade of B (Good). Algae concentration (chlorophyll-a) is 7.4 µg/L. Always check local health department advisories before swimming.

What is the water temperature of Elliot Lake?

Elliot Lake typically sits around 71°F at the surface in August, from 22 EPA Water Quality Portal field readings (2019–2019). That is a typical value for the month, not a live reading.

How deep is Elliot Lake?

Elliot Lake has a maximum depth of 13 feet and an average depth of 7 feet. The lake covers 372.93 acres.

What fish are in Elliot Lake?

Fish species found in Elliot Lake include black bullhead, black crappie, bluegill, brown bullhead, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, white sucker, yellow bullhead, yellow perch. Elliot Lake is located in St. Louis County, Minnesota.

Are there boat ramps on Elliot Lake?

Elliot Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Elliot Lake. Public access is listed as yes.

Mesotrophic Lakes in Minnesota

Where this data comes from

15 measurements from 1 monitoring station, 2020. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Minnesota Pollution Control Agency - Ambient Surface WaterMNPCA15 samples · 2020

Analytical methods

  • Field measurement/observation, generic method
  • 4500 P E ~ Phosphorus in Water by Colorimetry- Ascorbic Acid Method
  • 10200 H ~ Chlorophyll a-b-c Determination
Monitoring station identifiers (1)

Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.

Other records on this page

Lake size & watershed from HydroLAKES (HydroSHEDS)

Lake details from Minnesota DNR LakeFinder

Named boat-access points from the USGS National Boat Ramps inventory