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LakeQuality
C

Rabbit Lake

Aitkin County, MinnesotaLimited DataMesotrophic

Rabbit Lake earns a C — middle-of-the-pack water quality, with one or two parameters dragging the average down from a stronger grade. Sub-grades cluster within a single letter of each other, which usually means the lake is in stable trophic balance rather than fighting one specific stressor.

The lake sits in the mesotrophic zone — the band where most well-managed Minnesota lakes fall. At 51 ft of maximum depth, Rabbit Lake stratifies reliably through the summer — the hypolimnion stays cooler and clearer than the surface layer suggests. Rabbit Lake covers 212 acres alongside 4.6 miles of shoreline — a mid-sized water that supports a working fishery without being so large that conditions diverge between basins. Within Aitkin County's 53 graded lakes, Rabbit Lake ranks 30 — below the local median, though not at the bottom.

No invasive species are currently listed at Rabbit Lake — the lake remains off the Minnesota infested-waters roster. The fishery includes walleye alongside the lake's other 13 documented species — a notable draw for Minnesota anglers. A documented public access point at Rabbit Lake makes the lake usable for shore fishing, paddle craft, and trailered boats. Ice-out has been recorded 17 times at Rabbit Lake, with a median around Apr 14. 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 2024-09-25. Grade methodology: LakeGrade methodology.

Swimming Safety

Generally safe for swimming, moderate water quality

Water Quality Grade: C, Fair

Moderate clarity, visible to about 9.7 ft. Trophic State Index: 44.

MetricValueGrade
Water Clarity (Secchi Depth)9.7 ftC
PhosphorusNo data
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)44Mesotrophic

Moderate nutrients, good water quality

Lake Details

CharacteristicValue
Maximum Depth51 ft
Average Depth19 ft
Surface Area211.61 acres
Shoreline Length4.6 mi
Littoral Zone36%
Public AccessYes

Fish Species

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

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

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

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

Water Quality Trend: Declining

Based on 4 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Declining-0.404 m/yr4

Ice Season

Historical ice data from Minnesota DNR (24 observations).

Typical Ice-Out
Apr 14
Typical Ice-In
Nov 30

Estimated open water season: 230 days

EarliestLatest
Ice-Out2012-03-21 (2012)2013-05-09 (2013)
Ice-In2003-11-25 (2003)2001-12-20 (2001)

Most recent ice-out: 2024-03-31

Location

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County Ranking

Ranked #30 of 53 lakes in Aitkin County

Nearby Lakes in Aitkin County

DNR Fisheries Survey Summary

13 surveys on file from MN DNR Fisheries. Most recent: 2025-05-27 (Targeted Survey).

Top Species by Catch Rate

SpeciesAvg CPUEAvg Weight
Bluegill29.590.11 lb
Hybrid Sunfish5.030.25 lb
Green Sunfish4.300.1 lb
Bluntnose Minnow3.87
Pumpkinseed3.580.2 lb
Largemouth Bass3.200.88 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.

Bluegill

313 fish · 38 in · 2024-06-24
108540345678

Hybrid Sunfish

44 fish · 39 in · 2024-06-24
1680trophy 103456789

Green Sunfish

2 fish · 45 in · 2024-06-24
1045

Pumpkinseed

14 fish · 37 in · 2024-06-24
74034567

From the 2025-05-27 survey

Daytime electrofishing was carried out on 5/27/2025 at Rabbit Lake to monitor the Largemouth Bass population. This was the first time Largemouth Bass have been targeted on Rabbit Lake during an electrofishing survey. Two netters were used, and sampling occurred for 2 hours. A total of 68 Largemouth Bass were captured,…

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 Rabbit Lake. 3 reports 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

Ice data from Minnesota DNR Climate

Most recent sample: 2024-09-25

Monitoring stations: 3