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LakeQuality
B

Wabasso Lake

Ramsey County, MinnesotaMesotrophic

Wabasso Lake carries a solid B grade — strong on most parameters, with measurements that hold up well across the summer season. The three sub-grades — clarity, phosphorus, and chlorophyll-a — track close together, so no single parameter is dragging the average.

The lake sits in the mesotrophic zone — the band where most well-managed Minnesota lakes fall. Wabasso Lake is unusually deep for Minnesota at 66 ft, which buffers the lake against summer warming and helps the deep water stay oxygenated. At 43 acres, Wabasso Lake sits below the Minnesota median: a small water where shoreline activity has an outsized effect on water quality. Wabasso Lake ranks 10 of 49 in Ramsey County, putting it in the upper tier of locally monitored lakes.

Eurasian watermilfoil is established at Wabasso Lake, which can dampen recreational access and pressure the native plant community. Bass fishing is part of the appeal: the species list runs to 9, anchored by largemouth and/or smallmouth bass. A documented public access point at Wabasso Lake makes the lake usable for shore fishing, paddle craft, and trailered boats. The lake has a partial ice record — 6 observed ice-outs, centered near Apr 4. 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 2024-09-12. Grade methodology: LakeGrade methodology.

Swimming Safety

Good for swimming, clear water with low algae levels

Water Quality Grade: B, Good

Good clarity, visible to about 13 ft. Phosphorus level: 30 µg/L. Trophic State Index: 47.

MetricValueGrade
Water Clarity (Secchi Depth)13 ftB
Phosphorus30 µg/LC
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)47Mesotrophic

Moderate nutrients, good water quality

Lake Details

CharacteristicValue
Maximum Depth66 ft
Surface Area42.82 acres
Shoreline Length1.3 mi
Littoral Zone65%
Public AccessYes

Fish Species

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

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

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

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

Invasive Species

Eurasian watermilfoil

Water Quality Trend: Improving

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

MetricTrendChange/YearYears
Water Clarity Improving+0.125 m/yr5
Phosphorus Stable-0.4 µg/L/yr5

Ice Season

Historical ice data from Minnesota DNR (9 observations).

Typical Ice-Out
Apr 4
Typical Ice-In
Dec 1

Estimated open water season: 241 days

EarliestLatest
Ice-Out2026-03-31 (2026)2018-04-29 (2018)
Ice-In2006-12-01 (2006)2001-12-20 (2001)

Most recent ice-out: 2026-03-31

Location

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County Ranking

Ranked #10 of 49 lakes in Ramsey County

Nearby Lakes in Ramsey County

DNR Fisheries Survey Summary

9 surveys on file from MN DNR Fisheries. Most recent: 2015-06-20 (Standard Survey).

Top Species by Catch Rate

SpeciesAvg CPUEAvg Weight
Bluegill82.060.14 lb
Black Bullhead11.990.42 lb
Largemouth Bass5.600.59 lb
Yellow Perch4.280.12 lb
Black Crappie3.710.19 lb
Brown Bullhead3.540.59 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

80 fish · 28 in · 2015-06-20
291502345678

Black Bullhead

3 fish · 1012 in · 2015-06-20
10101112

Largemouth Bass

30 fish · 716 in · 2015-06-20
74078910111213141516

Yellow Perch

1 fish · 66 in · 2005-06-20
106

From the 2015-06-20 survey

Lake Wabbaso is a 46-acre Bass-Bluegill lake located in Ramsey County where Bluegill and Largemouth Bass are the primary management species, and Northern Pike are a secondary management species. Bluegills were the most abundant species sampled in Lake Wabasso, although catches were significantly lower than in previous…

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 Wabasso 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

Ice data from Minnesota DNR Climate

Most recent sample: 2024-09-12

Monitoring stations: 2