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LakeQuality
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Hanks Lake

Crow Wing County, MinnesotaMesotrophic

Hanks Lake sits at the top of the Minnesota PCA grading rubric with an A, a mark reached by the cleanest lakes in Minnesota. 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.

Mesotrophic conditions dominate at Hanks Lake: enough nutrients for a healthy fishery, not so much that algal blooms become a chronic problem. A maximum depth of 45 ft puts Hanks Lake in the middle of Minnesota's depth distribution. The lake's 165 acres and 2.1 miles of shoreline put it in the mid-range bucket — large enough for varied use, small enough that watershed inputs reach the whole basin. Hanks Lake sits at rank 70 of 120 in Crow Wing County, in the lower half of the local distribution.

Eurasian watermilfoil is established at Hanks Lake, which can dampen recreational access and pressure the native plant community. The fishery includes walleye alongside the lake's other 14 documented species — a notable draw for Minnesota anglers. The lake lacks a documented public access point, so visitor use is limited. Monitoring depth is thin here: the LakeGrade rubric is applied to a small number of sample years, and the grade will be revised as more data accumulates.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2024-09-28. Grade methodology: LakeGrade methodology.

Swimming Safety

Excellent for swimming, crystal clear water with minimal algae

Water Quality Grade: A, Excellent

Good clarity, visible to about 12.5 ft. Phosphorus level: 12 µg/L. Trophic State Index: 40.

MetricValueGrade
Water Clarity (Secchi Depth)12.5 ftB
Phosphorus12 µg/LA
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)40Mesotrophic

Moderate nutrients, good water quality

Lake Details

CharacteristicValue
Maximum Depth45 ft
Surface Area164.72 acres
Shoreline Length2.1 mi
Littoral Zone30%
Public AccessNo

Fish Species

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

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

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

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

Invasive Species

Eurasian watermilfoil

Water Quality Trend: Declining

Based on 5 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Declining-0.316 m/yr5
Phosphorus Declining+0.85 µg/L/yr5

Location

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County Ranking

Ranked #70 of 120 lakes in Crow Wing County

Nearby Lakes in Crow Wing County

DNR Fisheries Survey Summary

11 surveys on file from MN DNR Fisheries. Most recent: 2023-07-10 (Targeted Survey).

Top Species by Catch Rate

SpeciesAvg CPUEAvg Weight
Bluntnose Minnow40.51
Largemouth Bass30.971.02 lb
Bluegill29.290.16 lb
Tullibee (Cisco)25.450.66 lb
JND14.68
BCS10.50

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

83 fish · 616 in · 2023-06-05
20100678910111213141516

Bluegill

151 fish · 38 in · 2023-06-05
50250345678

Tullibee (Cisco)

168 fish · 615 in · 2023-06-05
392006789101112131415

From the 2023-07-10 survey

A targeted survey of nearshore fish species in Hanks Lake was conducted on July 10-11, 2023, by Index of Biological Integrity (IBI) Program staff. Sampling sites were evenly spaced around the lake, and each was sampled by backpack electrofishing and seining with a 50-foot seine. Nearshore sampling captured nineteen…

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 Hanks Lake. 2 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

Most recent sample: 2024-09-28

Monitoring stations: 2