Upper Dean Lake
Upper Dean Lake in Crow Wing County, Minnesota is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 249 acres.
- Area
- 249 acres
- Public access
- Yes
Next lake in Crow Wing County
Swipe left or right on this bar to open the next or previous lake.
Why Upper Dean Lake has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Upper Dean Lake, no water-quality sampling on record for this lake.
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by MPCA and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Upper Dean Lake is a 249-acre lake in Crow Wing County, Minnesota. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled recent years. Grade methodology: LakeQuality methodology.
Watch Upper Dean Lake water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Not ratedElevated nutrients
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Upper Dean Lake
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Trophic State Index: undefined.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) |
Where to stay near Upper Dean Lake
Compare lakeside cabins, hotels, and vacation rentals near Upper Dean Lake in Crow Wing County, Minnesota — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Upper Dean Lake
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Minnesota’s top lakes →
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 249 acres |
| Public Access | Yes |
No bathymetric survey has been published for Upper Dean Lake, so its depth is not documented here.
Recreation & Access
- Upper Dean LakePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Upper Dean Lake
Nearby Lakes in Crow Wing County
Frequently asked questions about Upper Dean Lake
Where is Upper Dean Lake?
- Upper Dean Lake is a lake in Crow Wing County, Minnesota. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for Upper Dean Lake?
- Upper Dean Lake in Crow Wing County, Minnesota is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 249 acres.
Is Upper Dean Lake safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Upper Dean Lake is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
Are there boat ramps on Upper Dean Lake?
- Upper Dean Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Upper Dean Lake. Public access is listed as yes.
Explore Upper Dean Lake across LakeQuality
Fish species and top-graded lakes across Minnesota
Fish species and best lakes in Crow Wing County
Species activity outlook by water temperature and season
Top lakes and where to stay in the Brainerd Lakes area
Top lakes and where to stay in the Mille Lacs Area area
Where to stay at Minnesota's top lakes, each with its grade
Lakes in the Pine River Watersheds (Brainerd Lakes), ranked by water quality
Minnesota's cleanest and most-polluted lakes, ranked
More Minnesota Lake Rankings
State Parks Near Upper Dean Lake
Other Lakes in Minnesota
Where this data comes from
Measurements for Upper Dean Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Lake details from Minnesota DNR LakeFinder
Named boat-access points from the USGS National Boat Ramps inventory