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D

Bur Oaks Pond

Dakota County, MinnesotaEutrophic

Bur Oaks Pond earns a D — measurements through 2024 show persistent nutrient pressure that limits clarity through the summer. clarity and phosphorus rate similarly, so there is no obvious single lever to pull on watershed management.

Eutrophic conditions are the baseline here: clarity drops noticeably in late summer, and dissolved oxygen near the bottom can become a concern. A maximum depth of just 9 ft means sediment-bound phosphorus releases back into the water column whenever wind stirs the bottom — a classic shallow-lake dynamic. Bur Oaks Pond is small — 10 acres alongside 0.5 miles of shoreline — which makes it sensitive to even modest changes in watershed runoff or recreational pressure. Bur Oaks Pond sits at rank 22 of 36 in Dakota County, in the lower half of the local distribution.

Bur Oaks Pond has no invasive species recorded in Minnesota state databases as of 2024, though prevention practices still apply at all access points. 6 fish species are on record, with panfish making up the recreational core. No formal public access is documented at Bur Oaks Pond — most use is by shoreline residents and their guests. 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 2024-09-24. Grade methodology: LakeGrade methodology.

Reviewed by LakeQuality Editorial Team · Updated

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Swimming Safety

Swimming not recommended, poor water quality with high algae risk

Water Quality Grade: D, Poor

Murky, only visible to about 4.6 ft. Phosphorus level: 64 µg/L. Trophic State Index: 60.

MetricValueGrade
Water Clarity (Secchi Depth)4.6 ftD
Phosphorus64 µg/LD
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)60Eutrophic

High nutrients, frequent algae, reduced clarity

Lake Details

CharacteristicValue
Maximum Depth9 ft
Surface Area9.66 acres
Shoreline Length0.5 mi
Public AccessNo

Fish Species

black bullhead,black crappie,bluegill,hybrid sunfish,northern pike,pumpkinseed

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

→ Best fishing times for Bur Oaks Pond (14-day solunar calendar)

→ Is it safe to eat fish from Bur Oaks Pond? (mercury & PFAS guide)

Bur Oaks Pond fishing regulations (limits, seasons, special rules)

Water Quality Trend: Improving

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

MetricTrendChange/YearYears
Water Clarity Stable-0.025 m/yr5
Phosphorus Improving-3.35 µg/L/yr5
See year-by-year chart →

Location

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County Ranking

Ranked #22 of 36 lakes in Dakota County

Cleaner Lakes Within 30 Miles

Bur Oaks Pond holds Grade D. 5 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Dakota County

DNR Fisheries Survey Summary

2 surveys on file from MN DNR Fisheries. Most recent: 2015-07-22 (Targeted Survey).

Top Species by Catch Rate

SpeciesAvg CPUEAvg Weight
Black Bullhead33.880.1 lb
Largemouth Bass23.290.01 lb
Pumpkinseed12.750.14 lb
Bluegill7.380.15 lb
Hybrid Sunfish3.630.18 lb
Black Crappie3.130.23 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.

Black Bullhead

88 fish · 37 in · 2010-09-14
4623034567

Largemouth Bass

7 fish · 23 in · 2015-07-22
53023

Pumpkinseed

48 fish · 36 in · 2010-09-14
18903456

Bluegill

49 fish · 38 in · 2010-09-14
24120345678

From the 2015-07-22 survey

Bur Oaks Lake is a shallow 16 acre lake located in the City of Eagan, Dakota County. The lake is separated into two basins connected by a narrow channel. The northern basin is the deeper and larger of the two (10 acres and 7 feet deep). The land surrounding the lake is managed by the City of Eagan as Bur Oaks Park and…

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 Bur Oaks Pond. 2 reports on file.

EPA Impairment Status

Bur Oaks Pond is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).

Causes of impairment

Mercury

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

Source: EPA ATTAINS assessment unit MN19-0136-00 · Official waterbody report · Matched by proximity (0.97 km)

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

Most recent sample: 2024-09-24

Monitoring stations: 1