Minnesota DNR fisheries surveys · latest June 7, 2021
Red Rock Lake FishingDWater-quality grade D
Minnesota DNR surveys at Red Rock Lake average 12.25 largemouth bass per unit of sampling effort (CPUE) across 7 surveys. The most recent is a Standard Survey dated June 7, 2021. Length samples in the latest survey that recorded them ran 4–20 inches. In Hennepin County, Minnesota, Red Rock Lake carries an overall water-quality grade of D. Water clarity averages 2.6 feet of visibility, and there is one public boat landing. The survey figures on this page are Minnesota DNR's own; the water-quality grade comes from EPA Water Quality Portal samples. Neither is a forecast of today's bite.
Species recorded at Red Rock Lake
9 species on the Minnesota DNR list for this lake. A species on the list has been recorded here; it does not mean it is catchable today or in every part of the lake.
Stocking at Red Rock Lake
No stocking record for Red Rock Lake appears in the Minnesota DNR material on file. That is an absence in the published record, not a confirmation that the lake is unstocked — some waters are managed as naturally reproducing and never appear in a stocking list at all.
Getting on the water
1 public boat landing is recorded on Red Rock Lake. Minnesota DNR lists the public access sites, including ramp type and parking, in the documents below.
Survey results in full
Minnesota DNR surveys at Red Rock Lake average 12.25 largemouth bass per unit of sampling effort (CPUE) across 7 surveys. The most recent is a Standard Survey dated June 7, 2021. Length samples in the latest survey that recorded them ran 4–20 inches.
A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Red Rock Lake D from EPA Water Quality Portal chemistry, and the water-quality trend over 5 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
DNR Fisheries Survey Summary
7 surveys on file from MN DNR Fisheries. Most recent: 2021-06-07 (Standard Survey).
Top Species by Catch Rate
| Species | Avg catch rate (CPUE) | Avg Weight |
|---|---|---|
| Black Bullhead | 48.12 | 0.54 lb |
| Bluegill | 34.25 | 0.19 lb |
| Yellow Perch | 33.51 | 0.22 lb |
| Largemouth Bass | 12.25 | 1.75 lb |
| Hybrid Sunfish | 9.58 | 0.23 lb |
| Northern Pike | 5.51 | 4.25 lb |
CPUE = catch per unit effort, averaged across surveys (excludes juvenile shoreline seining). Higher CPUE means more abundant in standardized sampling. This is not a weekly bite report.
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
Bluegill
Yellow Perch
Largemouth Bass
From the 2021-06-07 survey
Red Rock Lake is a 97-acre lake with a maximum depth of 16 feet, located in Eden Prairie. A public boat access is located at a city park on the southeast side of the lake. A city ordinance restricts the size of motors in use on the lake to 10 horsepower. Red Rock Lake is managed for Bluegill, Black Crappie, and…
DNR Reports & Resources
Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Red Rock Lake. 2 reports on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- —Fisheries Lake Survey — Red RockFisheries Lake Survey · MN DNR LakeFinder
- —Public Water Access Sites — Red RockPublic Water Access Sites · MN DNR LakeFinder
Common questions
What fish are in Red Rock Lake?
Minnesota DNR surveys at Red Rock Lake average 12.25 largemouth bass per unit of sampling effort (CPUE) across 7 surveys. The most recent is a Standard Survey dated June 7, 2021. Length samples in the latest survey that recorded them ran 4–20 inches. Minnesota DNR lists 9 species for the lake in total. Those are survey results, not a catch report: a net set on one date measures what was in that net.
When was Red Rock Lake last surveyed?
The most recent fisheries survey on file for Red Rock Lake is dated June 7, 2021. Survey intervals vary by lake and by species; a gap of several years between surveys is normal and does not mean the record is missing.
Is Red Rock Lake stocked?
No stocking record for Red Rock Lake appears in the Minnesota DNR material on file. That is not the same as a confirmed unstocked lake: it means no stocking document was published for it in the records this page draws on.
Does the water-quality grade tell me how Red Rock Lake fishes?
A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Red Rock Lake D from EPA Water Quality Portal chemistry, and the water-quality trend over 5 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
Before you eat what you catch
A water-quality grade is not a consumption advisory. Mercury and PCB advice for Minnesota waters comes from MDH, and it is issued per species and per size class — a lake can grade well and still carry a meal limit on larger predator fish.
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