Late afternoon sun over Slim Lake, scattering a bright path across wind-textured water

Sawyer County Lake Quality

Wisconsin, 120 lakes, measured by Wisconsin DNR

Sawyer County has 120 monitored lakes, enough that within-county variation matters as much as the county average. Some are deep glacial basins, others are shallow agricultural-watershed waters, and the measurements reflect that mix. 39 of those lakes carry recent nutrient and algae readings. The county-level summary describes that subset, not every water body listed. Most monitored lakes in Sawyer County carry favourable nutrient and algae readings for Wisconsin.

The county's lakes lean shallow, which makes the readings sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest measured lake is Lac Courte Oreilles Lake.

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Quick Answers for Sawyer County

Cleanest lakes in Sawyer County →Cleanest lakes in Wisconsin →Best swimming lakes in Wisconsin →

Planning a trip? Check special fishing regulations for Lac Courte Oreilles Lake, whether the fish are safe to eat, and the best times to fish — or browse the full Wisconsin regulations index.

Fishing in Sawyer County

Sawyer County Fishing Guide

Fish species and the cleanest lakes in Sawyer County

DNR Reports (20)

Wisconsin DNR Fisheries Survey resources for lakes in Sawyer County. browse all reports →

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

2025
Big Sissabagama Lake management plan, 2025
Management Plan · WI DNR · 2025 (PDF)
2025
Moose Lake spring survey, 2025
Fisheries Survey · WI DNR · 2025 (PDF)
2025
Round Lake spring survey, 2025
Fisheries Survey · WI DNR · 2025 (PDF)
2025
Sissabagama Lake spring survey, 2025
Fisheries Survey · WI DNR · 2025 (PDF)
2025
Windfall Lake spring survey, 2025
Fisheries Survey · WI DNR · 2025 (PDF)
2024
Barber Lake netting and shocking survey, 2024
Netting Survey · WI DNR · 2024 (PDF)
2024
Barker Lake netting survey, 2024
Netting Survey · WI DNR · 2024 (PDF)
2024
Chippewa Flowage netting and shocking survey, 2024
Netting Survey · WI DNR · 2024 (PDF)
2024
Clear Lake netting and shocking survey, 2024
Netting Survey · WI DNR · 2024 (PDF)
2024
Lac Courte Oreilles netting and shocking survey, 2024
Netting Survey · WI DNR · 2024 (PDF)
2024
Mud/Callahan Lake netting and shocking survey, 2024
Netting Survey · WI DNR · 2024 (PDF)
2024
Spider Lake netting and shocking survey, 2024
Netting Survey · WI DNR · 2024 (PDF)
2023
Lac Courte Oreilles spring netting survey, 2023
Netting Survey · WI DNR · 2023 (PDF)
2023
Lost Land Lake spring shocking and netting survey, 2023
Spring Shocking Survey · WI DNR · 2023 (PDF)
2023
Mason and Evergreen lakes spring netting and shocking survey, 2023
Netting Survey · WI DNR · 2023 (PDF)
2023
Nelson Lake spring shocking and netting survey, 2023
Spring Shocking Survey · WI DNR · 2023 (PDF)
2023
Round Lake spring shocking and netting survey, 2023
Spring Shocking Survey · WI DNR · 2023 (PDF)
2023
Teal Lake spring netting and shocking survey, 2023
Netting Survey · WI DNR · 2023 (PDF)
2023
Tiger Cat Chain spring netting and shocking survey, 2023
Netting Survey · WI DNR · 2023 (PDF)
—
Chippewa Flowage 2022: Water level management and progressive towards fisheries objectives
Fisheries Survey · WI DNR (PDF)

All Lakes in Sawyer County

120 lakes · 39 ranked on readings, 81 without enough sampling39 lakes ranked on readings · 81 without enough sampling, hidden

Include not-rated lakes (81)

#	Lake	Clarity	Phosphorus	Algae	Trophic	Max Depth	Access
1	Lac Courte Oreilles LakeSawyer	12.2 ft	15 µg/L	1.7 µg/L	No recent samples	90 ft	✓ Public
2	Whitefish LakeSawyer	13.5 ft	14 µg/L	1.6 µg/L	No recent samples	105 ft	✓ Public
3	Round LakeSawyer	21.1 ft	14 µg/L	0.9 µg/L	No recent samples	74 ft	✓ Public
4	Indian LakeSawyer	6.5 ft	22.5 µg/L	3.6 µg/L	No recent samples	9 ft	✓ Public
5	Christner LakeSawyer	12 ft	18.5 µg/L	2.1 µg/L	No recent samples	16 ft	Not recorded
6	Sand LakeSawyer	10 ft	23.8 µg/L	4.1 µg/L	No recent samples	50 ft	✓ Public
7	Ashegon LakeSawyer	10.5 ft	18 µg/L	2.7 µg/L	No recent samples	56 ft	✓ Public
8	Blueberry LakeSawyer	14.8 ft	17 µg/L	1.6 µg/L	No recent samples	29 ft	✓ Public
9	Little Round LakeSawyer	17.3 ft	12 µg/L	1 µg/L	No recent samples	38 ft	Not recorded
10	Osprey LakeSawyer	16 ft	14.9 µg/L	1.4 µg/L	No recent samples	32 ft	✓ Public
11	Grindstone LakeSawyer	17.4 ft	15 µg/L	1.4 µg/L	No recent samples	60 ft	✓ Public
12	Lost LakeSawyer	10.6 ft	19.5 µg/L	1.6 µg/L	No recent samples	13 ft	Not recorded
13	Durphee LakeSawyer	8.1 ft	22 µg/L	3.1 µg/L	No recent samples	No recent samples	✓ Public
14	Spider LakeSawyer	10.5 ft	14.1 µg/L	No recent samples	No recent samples	64 ft	✓ Public
15	Callahan LakeSawyer	10.6 ft	21.9 µg/L	No recent samples	No recent samples	18 ft	Not recorded
16	Clear LakeSawyer	17.3 ft	11.3 µg/L	No recent samples	No recent samples	32 ft	✓ Public
17	Nelson LakeSawyer	5 ft	22.8 µg/L	No recent samples	No recent samples	No recent samples	✓ Public
18	Mud LakeSawyer	10 ft	18.5 µg/L	No recent samples	No recent samples	15 ft	✓ Public
19	Tiger Cat Flowage LakeSawyer	10.8 ft	13.4 µg/L	No recent samples	No recent samples	30 ft	✓ Public
20	Windigo LakeSawyer	11 ft	15.6 µg/L	No recent samples	No recent samples	51 ft	✓ Public
21	Lake of the PinesSawyer	8 ft	16.6 µg/L	No recent samples	No recent samples	No recent samples	✓ Public
22	Little Sissabagama LakeSawyer	12.2 ft	14.7 µg/L	No recent samples	No recent samples	75 ft	✓ Public
23	Connors LakeSawyer	11 ft	14.4 µg/L	No recent samples	No recent samples	No recent samples	✓ Public
24	Teal LakeSawyer	6.6 ft	16.5 µg/L	No recent samples	No recent samples	31 ft	✓ Public
25	Lake PlacidSawyer	15 ft	12.2 µg/L	No recent samples	No recent samples	30 ft	✓ Public
26	Lost Land LakeSawyer	10 ft	17.1 µg/L	No recent samples	No recent samples	21 ft	✓ Public
27	Barber LakeSawyer	10.3 ft	14 µg/L	No recent samples	No recent samples	21 ft	✓ Public
28	Sissabagama LakeSawyer	8 ft	18.7 µg/L	No recent samples	No recent samples	48 ft	✓ Public
29	Burns LakeSawyer	11.5 ft	12.7 µg/L	No recent samples	No recent samples	9 ft	Not recorded
30	Billy Boy Flowage LakeSawyer	No recent samples	16 µg/L	No recent samples	No recent samples	46 ft	Not recorded
31	Green LakeSawyer	4.7 ft	34 µg/L	5.8 µg/L	No recent samples	9 ft	✓ Public
32	Pike LakeSawyer	7.6 ft	30.5 µg/L	5.6 µg/L	No recent samples	17 ft	✓ Public
33	Spring LakeSawyer	8.9 ft	27 µg/L	5.2 µg/L	No recent samples	18 ft	✓ Public
34	Moose LakeSawyer	2 ft	28.9 µg/L	No recent samples	No recent samples	21 ft	✓ Public
35	Chippewa Flowage -North of Cranberry Bars LakeSawyer	4.9 ft	32 µg/L	10 µg/L	No recent samples	92 ft	✓ Public
36	Lower Clam LakeSawyer	5.5 ft	29.5 µg/L	No recent samples	No recent samples	30 ft	✓ Public
37	Gurno LakeSawyer	10 ft	25 µg/L	4.1 µg/L	No recent samples	27 ft	Not recorded
38	Lake ChetacSawyer	No recent samples	56.3 µg/L	No recent samples	No recent samples	26 ft	✓ Public
39	Birch LakeSawyer	No recent samples	60.3 µg/L	No recent samples	No recent samples	73 ft	✓ Public
	Little Lac Courte LakeSawyer	12.3 ft	No recent samples	No recent samples	No recent samples	46 ft	Not recorded
	Smith LakeSawyer	6 ft	No recent samples	No recent samples	No recent samples	29 ft	✓ Public
	Mcclaine LakeSawyer	14.2 ft	12.5 µg/L	No recent samples	No recent samples	15 ft	Not recorded
	Indian School LakeSawyer	No recent samples	24.1 µg/L	No recent samples	No recent samples	6 ft	✓ Public
	McDermott LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	45 ft	Not recorded
	Garbutt LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	43 ft	Not recorded
	Thomas LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	20 ft	Not recorded
	Bennett LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	66 ft	Not recorded
	Deer LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	18 ft	Not recorded
	White Birch LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	6 ft	Not recorded
	Windfall LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	16 ft	Not recorded
	Miller LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	8 ft	Not recorded
	Boribo LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	9 ft	Not recorded
	Two Boys LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	37 ft	Not recorded
	Two Axe LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	20 ft	Not recorded
	Mud LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	5 ft	Not recorded
	Barker LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	12 ft	✓ Public
	Hunter LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	17 ft	Not recorded
	Black Dan LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	37 ft	✓ Public
	Island LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	31 ft	✓ Public
	Perch LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	24 ft	Not recorded
	Loretta LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	12 ft	✓ Public
	Lake WinterSawyer	No recent samples	No recent samples	No recent samples	No recent samples	22 ft	Not recorded
	Hegmeister LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	18 ft	Not recorded
	Lake of the PinesSawyer	No recent samples	No recent samples	No recent samples	No recent samples	39 ft	Not recorded
	Swamp LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	8 ft	Not recorded
	Evergreen LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	25 ft	Not recorded
	Mason LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	39 ft	Not recorded
	Pelican LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	16 ft	Not recorded
	Hanson LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	13 ft	Not recorded
	Hadley LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	17 ft	Not recorded
	Red Ike LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	11 ft	Not recorded
	Christy LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	7 ft	Not recorded
	Partridge Crop LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	6 ft	Not recorded
	Meadow LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	4 ft	Not recorded
	Boos LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	20 ft	Not recorded
	Blaisdell LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	19 ft	✓ Public
	Black LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	17 ft	✓ Public
	Blue Gill LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	23 ft	Not recorded
	Beaver LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	20 ft	Not recorded
	Goose LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	9 ft	Not recorded
	Dead LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	26 ft	Not recorded
	Whiplash LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	26 ft	Not recorded
	Lewis LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	15 ft	Not recorded
	Ole LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	29 ft	Not recorded
	Ghost LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	12 ft	✓ Public
	Wilson LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	12 ft	Not recorded
	Star LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	15 ft	Not recorded
	Beaver LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	15 ft	Not recorded
	Holmes LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	22 ft	Not recorded
	North LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	30 ft	Not recorded
	Lake HelaneSawyer	No recent samples	No recent samples	No recent samples	No recent samples	27 ft	Not recorded
	Pacwawong LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	6 ft	✓ Public
	Totagatic FlowageSawyer	No recent samples	No recent samples	No recent samples	No recent samples	12 ft	Not recorded
	Nelson LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	33 ft	✓ Public
	Hayward LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	17 ft	✓ Public
	Mud LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	4 ft	Not recorded
	Colbroth LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	12 ft	Not recorded
	Lovejoy LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	20 ft	Not recorded
	Mirror LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	27 ft	Not recorded
	Reed LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	17 ft	Not recorded
	Pine Island LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	13 ft	Not recorded
	Glover LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	14 ft	✓ Public
	Devils LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	6 ft	Not recorded
	Weirgor LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	13 ft	Not recorded
	Rogers LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	19 ft	Not recorded
	Summit LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	22 ft	Not recorded
	Knuteson LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	17 ft	✓ Public
	Heron LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	26.2 ft	Not recorded
	County Line LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	72 ft	✓ Public
	Little Sand LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	14 ft	Not recorded
	Hungry LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	23 ft	Not recorded
	Lower Holly LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	16.4 ft	✓ Public
	Ham LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	28 ft	Not recorded
	Upper Holly LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	14 ft	Not recorded
	Johnson LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	28 ft	Not recorded
	Minnemac LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	9 ft	Not recorded
	Lake Twenty-sevenSawyer	No recent samples	No recent samples	No recent samples	No recent samples	21 ft	Not recorded
	Hub LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	27 ft	Not recorded
	Ring LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	9 ft	Not recorded
	Tripp LakeSawyer	No recent samples	No recent samples	No recent samples	No recent samples	6.6 ft	Not recorded

NR = no nutrient or algae reading on record. The measurements are published as the authority reports them. Where the data comes from.

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Source: the Wisconsin Department of Natural Resources. See data sources.