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LakeQuality
D

Carver County Lake Quality

Minnesota, 41 lakes, average grade D (Nutrient-rich)

There are 41 graded lakes in Carver County. The mix is varied enough that the county-level average tells you the broad strokes, not the choose-this-cabin specifics. On average, Carver County lakes grade D, with phosphorus loading and reduced clarity showing up across most of the dataset.

The county's lakes lean shallow, which makes the grades sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest lake on the books is Brickyard Lake (A); the most-stressed is Jonathan Lake (F).

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DNR Reports (40)

Minnesota DNR LakeFinder resources for lakes in Carver County. browse all reports →

These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).

All Lakes in Carver County

41 lakes · 38 graded, 3 not rated38 graded lakes · 3 not rated, hidden

#LakeGradeClarityPhosphorusAlgaeTrophicMax DepthAccess
1ABrickyard LakeCarverA15 ft15 µg/L4.1 µg/LNo recent samples43 ftCarry-in
2AMinnewashta LakeCarverA11.5 ft14 µg/L2.3 µg/LNo recent samples70 ft✓ Public
3ACourthouse LakeCarverA18.9 ft14 µg/L2.4 µg/LNo recent samples57 ftCarry-in
4APiersons LakeCarverA9.9 ft19.5 µg/L5.3 µg/LNo recent samples40 ft✓ Public
5AFireman'S LakeCarverA10.7 ft23.5 µg/L3.3 µg/LNo recent samples23 ft✓ Public
6ASt Joe LakeCarverA8.4 ft21 µg/L5.9 µg/LNo recent samples52 ft✓ Public
7CAuburn LakeCarverC6.4 ft31 µg/L7.2 µg/LNo recent samples84 ft✓ Public
8CAnn LakeCarverC8.7 ft29 µg/L8.9 µg/LNo recent samples45 ft✓ Public
9CZumbra-Sunny LakeCarverC9.8 ft27.6 µg/L5.1 µg/LNo recent samples58 ft✓ Public
10CWaconia LakeCarverC7.3 ft30 µg/L9.8 µg/LNo recent samples37 ft✓ Public
11DOak LakeCarverD4.5 ft42.5 µg/L17.5 µg/LNo recent samples11 ft✓ Public
12DBavaria LakeCarverD5.1 ft35 µg/L21.7 µg/LNo recent samples66 ft✓ Public
13DLotus LakeCarverD5.7 ft40.5 µg/L19.5 µg/LNo recent samples29 ft✓ Public
14DSteiger LakeCarverD5 ft41.5 µg/L13.3 µg/LNo recent samples37 ft✓ Public
15DLucy LakeCarverD3.9 ft62 µg/L20.7 µg/LNo recent samples20 ftCarry-in
16DMuewissen LakeCarverD1.8 ft98.5 µg/L18.7 µg/LNo recent samplesNo recent samplesCarry-in
17DWassermann West LakeCarverD5.2 ft64.5 µg/L10.6 µg/LNo recent samplesNo recent samples✓ Public
18DMyers LakeCarverD3 ft36 µg/L18 µg/LNo recent samplesNo recent samplesCarry-in
19FJonathan LakeCarverF1.6 ft157.5 µg/L80 µg/LNo recent samplesNo recent samplesCarry-in
20FEagle LakeCarverF2 ft169 µg/L93.8 µg/LNo recent samples14 ft✓ Public
21FEast Auburn LakeCarverF5 ft57 µg/L31.8 µg/LNo recent samplesNo recent samples✓ Public
22FGrace LakeCarverF2.6 ft91.5 µg/L58.2 µg/LNo recent samples22 ftCarry-in
23FWassermann LakeCarverF2.3 ft76 µg/L48.1 µg/LNo recent samplesNo recent samples✓ Public
24FBig Woods LakeCarverF1.5 ft197 µg/L113 µg/LNo recent samplesNo recent samplesCarry-in
25FGoose LakeCarverF1.2 ft132.5 µg/L160.5 µg/LNo recent samples10 ft✓ Public
26FBenton LakeCarverF1 ft161 µg/L104 µg/LNo recent samplesNo recent samplesCarry-in
27FHazeltine LakeCarverF1 ft142 µg/L136.5 µg/LNo recent samplesNo recent samplesCarry-in
28FBurandt LakeCarverF3.9 ft46 µg/L35.9 µg/LNo recent samples24 ft✓ Public
29FMiller LakeCarverF1.6 ft211 µg/L108 µg/LNo recent samples14 ftCarry-in
30FMcknight LakeCarverF2.2 ft146 µg/L58 µg/LNo recent samplesNo recent samplesCarry-in
31FHydes LakeCarverF2.3 ft94 µg/L59.9 µg/LNo recent samples18 ft✓ Public
32FParley LakeCarverF1.8 ft100 µg/L61.4 µg/LNo recent samples18 ft✓ Public
33FSusan LakeCarverF2.6 ft80.5 µg/L49 µg/LNo recent samples17 ft✓ Public
34FSwede LakeCarverF2 ft134 µg/L76.9 µg/LNo recent samples12 ft✓ Public
35FReitz LakeCarverF3 ft53 µg/L36.8 µg/LNo recent samples36 ft✓ Public
36FMaria LakeCarverF0.8 ft457 µg/L249.5 µg/LNo recent samples6 ft✓ Public
37FWassermann Main LakeCarverF3 ft65.5 µg/L39 µg/LNo recent samples41 ft✓ Public
38FBarnes LakeCarverF1 ft164.5 µg/L82 µg/LNo recent samplesNo recent samplesCarry-in
NRVirginia LakeCarverNR6 ftNo recent samplesNo recent samplesNo recent samples34 ft✓ Public
NRGaystock LakeCarverNR0.7 ft236 µg/L78.3 µg/LNo recent samplesNo recent samplesCarry-in
NRStone LakeCarverNR10.5 ftNo recent samplesNo recent samplesNo recent samples30 ftCarry-in

NR = not rated: the monitoring record does not meet the evidence bar for a grade. That is EPA Integrated Reporting Category 3 (insufficient information), not a failing grade. How grading works.

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See how Carver County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 39 states and 2 Canadian provinces.

Source: EPA National Aquatic Resource Surveys, 2026.