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Indiana Lake

Lake County, MinnesotaLimited DataOligotrophic

Indiana Lake earns an A — every scored parameter (clarity) rates among the best monitored waters in Lake County.

Trophically, Indiana Lake reads as oligotrophic — nutrient-poor, clear, and ecologically more sensitive to disturbance than richer lakes. A maximum depth of 31 ft puts Indiana Lake in the middle of Minnesota's depth distribution. The lake's 143 acres and 2.0 miles of shoreline put it in the mid-range bucket — large enough for varied use, small enough that watershed inputs reach the whole basin. Within Lake County's 142 graded waters, Indiana Lake sits at rank 23, near the top of the local distribution.

Indiana Lake has no invasive species recorded in Minnesota state databases as of 2023, though prevention practices still apply at all access points. Bass fishing is part of the appeal: the species list runs to 7, anchored by largemouth and/or smallmouth bass. The lake lacks a documented public access point, so visitor use is limited. The grade is based on limited monitoring — fewer than three independent measurement years contribute, so future updates may shift the letter.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2023-07-18. Grade methodology: LakeGrade methodology.

Reviewed by LakeQuality Editorial Team · Updated

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Swimming Safety

Excellent for swimming, crystal clear water with minimal algae

Water Quality Grade: A, Excellent

Crystal clear, you can see 15 ft down. Trophic State Index: 38.

MetricValueGrade
Water Clarity (Secchi Depth)15 ftA
PhosphorusNo data
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)38Oligotrophic

Low nutrients, clear water, excellent for swimming

Lake Details

CharacteristicValue
Maximum Depth31 ft
Surface Area143.04 acres
Shoreline Length2 mi
Littoral Zone27%
Public AccessNo

Fish Species

bluegill,largemouth bass,northern pike,rock bass,smallmouth bass,white sucker,yellow perch

Click a species to see all Minnesota and Wisconsin lakes where it is found.

→ Best fishing times for Indiana Lake (14-day solunar calendar)

→ Is it safe to eat fish from Indiana Lake? (mercury & PFAS guide)

Indiana Lake fishing regulations (limits, seasons, special rules)

Water Quality Trend: Declining

Based on 3 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Declining-0.305 m/yr3

Location

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County Ranking

Ranked #23 of 142 lakes in Lake County

Nearby Lakes in Lake County

DNR Fisheries Survey Summary

1 survey on file from MN DNR Fisheries. Most recent: 2019-08-06 (Standard Survey).

Top Species by Catch Rate

SpeciesAvg CPUEAvg Weight
Largemouth Bass10.001.37 lb
Smallmouth Bass2.751.53 lb
Northern Pike1.755.44 lb
Bluegill1.250.06 lb
Rock Bass0.500.17 lb
Yellow Perch0.500.13 lb

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.

Largemouth Bass

40 fish · 517 in · 2019-08-06
1260567891011121314151617

Smallmouth Bass

11 fish · 815 in · 2019-08-06
53089101112131415

Northern Pike

7 fish · 2239 in · 2019-08-06
210trophy 36222426283032343638

Bluegill

5 fish · 35 in · 2019-08-06
320345

From the 2019-08-06 survey

Indiana Lake is located approximately 14 miles NE of Ely within the BWCAW. Because of its proximity to Basswood Lake and nearby entry points, Indiana is a popular lake with wilderness enthusiasts. Indiana Lake also has a reputation for quality bass fishing with some larger pike as an additional component. There are…

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 Indiana Lake. 1 report on file.

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Lake details from Minnesota DNR LakeFinder

Most recent sample: 2023-07-18

Monitoring stations: 4