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

Le Sueur County Lake Quality

Minnesota, 54 lakes, measured by Minnesota PCA

Le Sueur County has 54 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. 13 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 Le Sueur County are productive, shallow basins; each lake page shows its own phosphorus and chlorophyll-a readings beside the EPA condition class.

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 Fish Lake.

Loading map…

Where to stay near Le Sueur County

Top-rated places to stay near Le Sueur County

Prices for Oct 9–11, 4 adults. Change dates on the map below.

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 trip to Le Sueur County?

Get lake water-quality updates plus the best cabin & lodging deals near Le Sueur County — straight to your inbox. No spam, unsubscribe anytime.

Quick Answers for Le Sueur County

Cleanest lakes in Le Sueur County →Cleanest lakes in Minnesota →Best swimming lakes in Minnesota →

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

Fishing in Le Sueur County

Le Sueur County Fishing Guide

Fish species and the cleanest lakes in Le Sueur County

DNR Reports (38)

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

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

—
Fisheries Lake Survey — Washington
Fisheries Lake Survey · MN DNR LakeFinder
—
Fisheries Lake Survey — Volney
Fisheries Lake Survey · MN DNR LakeFinder
—
Fisheries Lake Survey — Upper Sakatah
Fisheries Lake Survey · MN DNR LakeFinder
—
Fisheries Lake Survey — Tetonka
Fisheries Lake Survey · MN DNR LakeFinder
—
Fisheries Lake Survey — Scotch
Fisheries Lake Survey · MN DNR LakeFinder
—
Fisheries Lake Survey — Roemhildts
Fisheries Lake Survey · MN DNR LakeFinder
—
Fisheries Lake Survey — Rays
Fisheries Lake Survey · MN DNR LakeFinder
—
Fisheries Lake Survey — East Jefferson
Fisheries Lake Survey · MN DNR LakeFinder
—
Fisheries Lake Survey — German
Fisheries Lake Survey · MN DNR LakeFinder
—
Fisheries Lake Survey — Frances
Fisheries Lake Survey · MN DNR LakeFinder
—
Fisheries Lake Survey — Fish
Fisheries Lake Survey · MN DNR LakeFinder
—
Fisheries Lake Survey — Emily
Fisheries Lake Survey · MN DNR LakeFinder
—
Fish Stocking History — Emily
Fish Stocking History · MN DNR LakeFinder
—
Public Water Access Sites — Emily
Public Water Access Sites · MN DNR LakeFinder
—
Aquatic Plant Report — Fish (0409)
Aquatic Plant Report · MN DNR LakeFinder
—
Public Water Access Sites — Fish
Public Water Access Sites · MN DNR LakeFinder
—
Aquatic Plant Report — Frances (1389)
Aquatic Plant Report · MN DNR LakeFinder
—
Fish Stocking History — Frances
Fish Stocking History · MN DNR LakeFinder
—
Public Water Access Sites — Frances
Public Water Access Sites · MN DNR LakeFinder
—
Fish Stocking History — German
Fish Stocking History · MN DNR LakeFinder
—
Public Water Access Sites — German
Public Water Access Sites · MN DNR LakeFinder
—
Fish Stocking History — Henry
Fish Stocking History · MN DNR LakeFinder
—
Public Water Access Sites — Henry
Public Water Access Sites · MN DNR LakeFinder
—
Fish Stocking History — East Jefferson
Fish Stocking History · MN DNR LakeFinder
—
Public Water Access Sites — East Jefferson
Public Water Access Sites · MN DNR LakeFinder
—
Public Water Access Sites — Rays
Public Water Access Sites · MN DNR LakeFinder
—
Aquatic Plant Report — Roemhildts (1390)
Aquatic Plant Report · MN DNR LakeFinder
—
Public Water Access Sites — Roemhildts
Public Water Access Sites · MN DNR LakeFinder
—
Fish Stocking History — Scotch
Fish Stocking History · MN DNR LakeFinder
—
Public Water Access Sites — Scotch
Public Water Access Sites · MN DNR LakeFinder
—
Fish Stocking History — Tetonka
Fish Stocking History · MN DNR LakeFinder
—
Public Water Access Sites — Tetonka
Public Water Access Sites · MN DNR LakeFinder
—
Fish Stocking History — Upper Sakatah
Fish Stocking History · MN DNR LakeFinder
—
Public Water Access Sites — Upper Sakatah
Public Water Access Sites · MN DNR LakeFinder
—
Fish Stocking History — Volney
Fish Stocking History · MN DNR LakeFinder
—
Public Water Access Sites — Volney
Public Water Access Sites · MN DNR LakeFinder
—
Fish Stocking History — Washington
Fish Stocking History · MN DNR LakeFinder
—
Public Water Access Sites — Washington
Public Water Access Sites · MN DNR LakeFinder

All Lakes in Le Sueur County

54 lakes · 13 ranked on readings, 41 without enough sampling13 lakes ranked on readings · 41 without enough sampling, hidden

Include not-rated lakes (41)

#	Lake	Clarity	Phosphorus	Algae	Trophic	Max Depth	Access
1	Fish LakeLe Sueur	11.8 ft	25.5 µg/L	3.7 µg/L	No recent samples	55 ft	✓ Public
2	Roemhildts LakeLe Sueur	10.2 ft	25.5 µg/L	5.3 µg/L	No recent samples	60 ft	✓ Public
3	Volney LakeLe Sueur	5.5 ft	45 µg/L	25.4 µg/L	No recent samples	67 ft	✓ Public
4	Frances LakeLe Sueur	6 ft	23 µg/L	20.6 µg/L	No recent samples	60 ft	✓ Public
5	Scotch LakeLe Sueur	2.6 ft	569 µg/L	9.7 µg/L	No recent samples	11 ft	✓ Public
6	Tetonka LakeLe Sueur	3 ft	289 µg/L	48 µg/L	No recent samples	35 ft	✓ Public
7	Clear LakeLe Sueur	1.2 ft	309.5 µg/L	71.6 µg/L	No recent samples	18 ft	✓ Public
8	Washington LakeLe Sueur	4.5 ft	122 µg/L	51.3 µg/L	No recent samples	51 ft	✓ Public
9	Emily LakeLe Sueur	2 ft	61 µg/L	42.7 µg/L	No recent samples	37 ft	✓ Public
10	Jefferson LakeLe Sueur	2 ft	86.5 µg/L	72 µg/L	No recent samples	No recent samples	✓ Public
11	German LakeLe Sueur	3.5 ft	74 µg/L	61.9 µg/L	No recent samples	51 ft	✓ Public
12	Upper Sakatah LakeLe Sueur	3 ft	303 µg/L	76.8 µg/L	No recent samples	12 ft	✓ Public
13	Gorman LakeLe Sueur	3.7 ft	531.5 µg/L	47 µg/L	No recent samples	14 ft	✓ Public
	Rays LakeLe Sueur	3.5 ft	No recent samples	No recent samples	No recent samples	32 ft	✓ Public
	Lake JeffersonLe Sueur	4 ft	No recent samples	No recent samples	No recent samples	37 ft	✓ Public
	Henry LakeLe Sueur	2 ft	No recent samples	No recent samples	No recent samples	No recent samples	✓ Public
	Sunfish LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	30 ft	✓ Public
	Perch LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Lake TustinLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	4.9 ft	Not recorded
	Steele LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	27 ft	✓ Public
	Bossuot LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Goose LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Sleepy Eye LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Sabre LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	13 ft	✓ Public
	Diamond LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Lake DoraLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	6.6 ft	✓ Public
	Lake MabelLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Greenleaf LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	17.5 ft	✓ Public
	Borer LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Sautter LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Shanghai LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Decker LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	North Goldsmith LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Goldsmith LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Savidge LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	3.3 ft	Not recorded
	Lake EmilyLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Dog LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Lake WashingtonLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	41.1 ft	✓ Public
	Mud LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Round LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Thomas LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Rice LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Ely LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Mary LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	School LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Harkridge LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Dietz LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Lake SanbornLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	3.3 ft	✓ Public
	Eggert LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Lake PepinLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	13.1 ft	Not recorded
	Tietz LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Graham LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Renneberg LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Rice LakeLe Sueur	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded

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

Lake Match

Which lake suits how you actually use one?

Six questions — swimming, fishing, quiet, cabins, drive time — and a shortlist of lakes that fit, with the water quality behind each one.

Take the quiz →

Other Counties in Minnesota

43 lakes

52 lakes

178 lakes

397 lakes

469 lakes

320 lakes

Browse every Minnesota lake, or the full directory of lakes across all United States (49 states), Canada (Ontario, Québec, Nova Scotia, British Columbia and Newfoundland and Labrador), and 38 other country hubs..

Source: the Minnesota Pollution Control Agency and the Minnesota DNR. See data sources.