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LakeQuality

Volney Lake

D
Grade D — Nutrient-rich
Nutrient-rich · #3 of 13 lakes in the county · 5.5 ft clear · Eutrophic · 269 acres · from C
Eutrophic

Volney Lake in Le Sueur County, Minnesota has a water quality grade of D (Nutrient-rich). Water clarity: 5.5 ft visibility. Phosphorus: 45 µg/L. Chlorophyll-a (algae): 25.4 µg/L. Maximum depth: 67 ft. Surface area: 268.86 acres.

Clarity
5.5 ft
Typical in August
67°F
Max depth
67 ft
Area
269 acres
Type
Eutrophic
Trend
Stable
Public access
Yes
Ice-out
Apr 3
Open water
248 days

Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Volney Lake

Next lake in Le Sueur County

FGorman Lake3.7 ft clear · Le Sueur CountyView →
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Volney Lake is a 269-acre productive, nutrient-rich eutrophic lake in Le Sueur County, Minnesota with a maximum depth of 67 feet. Water quality is graded D based on 2 sampling years through 2025. Water clarity is declining over recent sampling years. The lake supports 12 documented fish species including black bullhead, black crappie, and bluegill. Public access is available with 2 public boat landings. Compared to the 12 other monitored lakes in Le Sueur County, Volney Lake ranks #3 for water quality.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-10-03. Grade methodology: LakeGrade methodology.

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Swimming Safety

Grade only

Algae risk

Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.

Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum

Compare the safest swimming lakes near Mankato

Get alerts for Volney Lake

Water Quality Grade: D (Nutrient-rich)

Murky, only visible to about 5.5 ft. Phosphorus level: 45 µg/L. Chlorophyll-a: 25.4 µg/L. Trophic State Index: 58.

MetricValueGrade
Water Clarity (Secchi Depth)5.5 ftNot graded
Phosphorus45 µg/LPoor
Chlorophyll-a (Algae)25.4 µg/LPoor
Trophic State Index (TSI)58Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Volney Lake

Compare lakeside cabins, hotels, and vacation rentals near Volney Lake in Le Sueur 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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around Volney Lake are listed below.

Top-rated places to stay near Volney 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 →

Water Temperature

Volney Lake typically sits around 67°F at the surface in August. Summer average is about 69°F. Usually warmest in Jul (about 73°F) and coldest in Apr (about 50°F). These are typical values by month — not a live reading.

Jan
Feb
Mar
Apr
50°
May
57°
Jun
68°
Jul
73°
Aug
67°
Sep
65°
Oct
61°
Nov
Dec

Typical surface water temperature by month, from 119 field readings (20102025) via the EPA Water Quality Portal. See the full Volney Lake water temperature breakdown →

Blue-Green Algae (Cyanobacteria)

No current satellite reading

There’s no recent EPA CyAN cyanobacteria estimate for Volney Lake — clouds, ice, or an off-season gap in coverage. The most recent reading was high (222,844 cells/mL) on July 18, 2026.

Blue-green algae can appear and clear within days, so check your state’s current advisory before swimming. EPA CyAN ↗

Lake Details

CharacteristicValue
Maximum Depth67 ft
Surface Area269 acres
Shoreline Length2.5 mi
Littoral Zone48%
Public AccessYes

Lake Size & Watershed

Watershed (drainage) area
4 sq mi
Elevation
1,020 ft

Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).

Recreation & Access

2
Boat Landings
Yes
Public Access
  • Volney LakePublic
  • Greenleaf LakePublic

Fish Species

Click a species to see every graded lake where it is documented.

Fishing Volney Lake

Invasive & Introduced Species

Red chips are ecologically harmful invasive species. Gray chips are stocked or introduced fish that aren't a current ecological concern.

Eurasian watermilfoil

DNR Fisheries Survey Summary

14 surveys on file from MN DNR Fisheries. Most recent: 2022-06-08 (Targeted Survey).

Top Species by Catch Rate

SpeciesAvg CPUEAvg Weight
Black Bullhead74.480.44 lb
Freshwater Drum27.560.42 lb
Black Crappie19.980.25 lb
Largemouth Bass19.251.94 lb
Yellow Perch18.200.23 lb
Bluegill8.910.34 lb

CPUE = catch per unit effort, averaged across surveys (excludes juvenile shoreline seining). Higher CPUE = more abundant in standardized sampling.

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

4 fish · 711 in · 2019-06-10
2107891011

Freshwater Drum

105 fish · 717 in · 2022-06-08
402007891011121314151617

Black Crappie

177 fish · 411 in · 2022-06-08
118590trophy 104567891011

Largemouth Bass

2 fish · 520 in · 2022-06-08
10trophy 2068101214161820

From the 2022-06-08 survey

Volney Lake is a 283-acre lake located approximately 3 miles southeast of the town of Le Center in Le Sueur County. It is one of the deepest lakes in the Waterville Area with a maximum depth of 67 feet. Roughly 46% of the lake is less than 15 feet deep. A DNR-owned public access is located on the southeast side of the…

Source: MN DNR LakeFinder Fisheries Lake Survey

DNR Reports & Resources

Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Volney Lake. 3 reports on file.

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

Based on 6 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Declining-0.111 m/yr6
Phosphorus Stable-0.45 µg/L/yr4
Chlorophyll-a Improving-2.67 µg/L/yr4
See year-by-year chart →

Ice Season

Historical ice data from Minnesota DNR (59 observations).

Typical Ice-Out
Apr 3
Typical Ice-In
Dec 7

Estimated open water season: 248 days

EarliestLatest
Ice-Out2024-03-07 (2024)2018-04-30 (2018)
Ice-In2000-11-15 (2000)2015-12-28 (2015)

Most recent ice-out: 2024-03-07

EPA Impairment Status

Volney Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).

Causes of impairment

MercuryNutrients (phosphorus, nitrogen)

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit MN40-0033-00 · Official waterbody report

County Ranking

Ranked #3 of 13 lakes in Le Sueur County

Nearby Lakes in Le Sueur County

Frequently asked questions about Volney Lake

What is the water quality grade for Volney Lake?

Volney Lake in Le Sueur County, Minnesota has a water quality grade of D (Nutrient-rich). Water clarity: 5.5 ft visibility. Phosphorus: 45 µg/L. Chlorophyll-a (algae): 25.4 µg/L. Maximum depth: 67 ft. Surface area: 268.86 acres.

Is Volney Lake safe to swim in?

Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum. Volney Lake has a water quality grade of D (Nutrient-rich). Algae concentration (chlorophyll-a) is 25.4 µg/L. Always check local health department advisories before swimming.

What is the water temperature of Volney Lake?

Volney Lake typically sits around 67°F at the surface in August, from 119 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.

How deep is Volney Lake?

Volney Lake has a maximum depth of 67 feet. The lake covers 268.86 acres.

What fish are in Volney Lake?

Fish species found in Volney Lake include black bullhead, black crappie, bluegill, bowfin (dogfish), common carp, freshwater drum, hybrid sunfish, largemouth bass, northern pike, walleye, yellow bullhead, yellow perch. Volney Lake is located in Le Sueur County, Minnesota.

When does Volney Lake thaw?

Volney Lake typically has ice-out around Apr 3. Ice typically forms around Dec 7. The open water season is approximately 248 days.

Does Volney Lake have blue-green algae?

There is no recent EPA CyAN cyanobacteria estimate for Volney Lake (clouds, ice, or an off-season gap). The most recent reading was high (222,844 cells/mL). Blue-green algae can appear and clear within days, so check Minnesota's current advisory before swimming.

Are there boat ramps on Volney Lake?

Volney Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Volney Lake, Greenleaf Lake. Public access is listed as yes.

Where this data comes from

121 measurements from 2 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Minnesota Pollution Control Agency - Ambient Surface WaterMNPCA121 samples · 2020–2025

Analytical methods

  • Field measurement/observation, generic method
  • Phosphorus by Two Reagent Colorimetry
  • 10200 H ~ Chlorophyll a-b-c Determination
Monitoring station identifiers (2)

Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.

Other records on this page

Impairment status from EPA ATTAINS 303(d) database

Lake size & watershed from HydroLAKES (HydroSHEDS)

Lake details from Minnesota DNR LakeFinder

Named boat-access points from the USGS National Boat Ramps inventory

Ice data from Minnesota DNR Climate