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B

Two Rivers Lake

Stearns County, MinnesotaLimited DataMesotrophic

Two Rivers Lake carries a solid B grade — strong on most parameters, with measurements that hold up well across the summer season.

Mesotrophic conditions dominate at Two Rivers Lake: enough nutrients for a healthy fishery, not so much that algal blooms become a chronic problem. Two Rivers Lake is unusually deep for Minnesota at 63 ft, which buffers the lake against summer warming and helps the deep water stay oxygenated. Two Rivers Lake covers 583 acres alongside 6.6 miles of shoreline — a mid-sized water that supports a working fishery without being so large that conditions diverge between basins. Two Rivers Lake ranks 18 of 55 in Stearns County — solidly in the upper half of the local distribution.

Two Rivers Lake is on the watch list for starry stonewort, an invasive macroalga that is difficult to control once established. The fishery includes walleye among the lake's 17 documented species — a notable draw for Minnesota anglers. A documented public access point at Two Rivers Lake makes the lake usable for shore fishing, paddle craft, and trailered boats. Ice-out has been recorded 5 times at Two Rivers Lake, with a median around Apr 7. 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 2020-09-12. Grade methodology: LakeGrade methodology.

Reviewed by LakeQuality Editorial Team · Updated

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Swimming Safety

Good for swimming, clear water with low algae levels

Water Quality Grade: B, Good

Good clarity, visible to about 11.2 ft. Trophic State Index: 42.

MetricValueGrade
Water Clarity (Secchi Depth)11.2 ftB
PhosphorusNo data
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)42Mesotrophic

Moderate nutrients, good water quality

Lake Details

CharacteristicValue
Maximum Depth63 ft
Average Depth21 ft
Surface Area583.47 acres
Shoreline Length6.6 mi
Littoral Zone34%
Public AccessYes

Fish Species

black bullhead,black crappie,bluegill,bowfin (dogfish),brown bullhead,channel catfish,common carp,green sunfish,hybrid sunfish,largemouth bass,northern pike,pumpkinseed,smallmouth bass,walleye,white sucker,yellow bullhead,yellow perch

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

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

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

Two Rivers Lake fishing regulations (limits, seasons, special rules)

Invasive & Introduced Species

Red chips are ecologically harmful invasive species. Gray chips are stocked or introduced fish that aren't a current ecological concern.

starry stonewort

Ice Season

Historical ice data from Minnesota DNR (8 observations).

Typical Ice-Out
Apr 7
Typical Ice-In
Nov 30

Estimated open water season: 237 days

EarliestLatest
Ice-Out2016-03-16 (2016)2008-04-24 (2008)
Ice-In2007-11-28 (2007)2002-12-12 (2002)

Most recent ice-out: 2017-03-27

Location

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County Ranking

Ranked #18 of 55 lakes in Stearns County

Cleaner Lakes Within 30 Miles

Two Rivers Lake holds Grade B. One nearby lake has a higher grade.

Nearby Lakes in Stearns County

Compare Two Rivers Lake With Nearby Lakes

DNR Fisheries Survey Summary

10 surveys on file from MN DNR Fisheries. Most recent: 2024-07-08 (Targeted Survey).

Top Species by Catch Rate

SpeciesAvg CPUEAvg Weight
Black Bullhead94.180.44 lb
Yellow Perch27.560.14 lb
Bluegill21.150.22 lb
Black Crappie17.030.25 lb
Spottail Shiner16.29
JND11.59

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.

Black Bullhead

1 fish · 66 in · 2024-07-08
106

Yellow Perch

7 fish · 56 in · 2024-07-08
53056

Bluegill

206 fish · 27 in · 2024-07-08
89450234567

Black Crappie

40 fish · 311 in · 2024-07-08
1260trophy 1034567891011

From the 2024-07-08 survey

A targeted survey of nearshore fish species in Two Rivers Lake was conducted beginning July 8th, 2024, 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 or 15-foot seine, where possible.…

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 Two Rivers Lake. 4 reports on file.

EPA Impairment Status

Two Rivers Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).

Causes of impairment

Impaired biota (cause unknown)MercuryNutrients (phosphorus, nitrogen)

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit MN73-0138-00 · Official waterbody report

Data Sources

Water quality data from the EPA Water Quality Portal

Impairment status from EPA ATTAINS 303(d) database

Grading methodology based on Metropolitan Council standards

Lake details from Minnesota DNR LakeFinder

Ice data from Minnesota DNR Climate

Most recent sample: 2020-09-12

Monitoring stations: 1