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LakeQuality

Lotus Lake

D
Grade D — Nutrient-rich
Nutrient-rich · #13 of 38 lakes in the county · 5.7 ft clear · Eutrophic · 245 acres
Eutrophic

Lotus Lake in Carver County, Minnesota has a water quality grade of D (Nutrient-rich). Water clarity: 5.7 ft visibility. Phosphorus: 40.5 µg/L. Chlorophyll-a (algae): 19.5 µg/L. Maximum depth: 29 ft. Surface area: 245.1 acres.

Clarity
5.7 ft
Typical in August
73°F
Max depth
29 ft
Area
245 acres
Type
Eutrophic
Trend
Improving
Public access
Yes
Ice-out
Apr 4
Open water
241 days

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

Next lake in Carver County

FSusan Lake2.6 ft clear · Carver CountyView →
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Lotus Lake is a 245-acre productive, nutrient-rich eutrophic lake in Carver County, Minnesota with a maximum depth of 29 feet. Water quality is graded D based on 2 sampling years through 2025. Overall water quality is improving over recent sampling years. The lake supports 13 documented fish species including black crappie, bluegill, and brown bullhead. Public access is available with 1 public boat landing. Compared to the 37 other monitored lakes in Carver County, Lotus Lake ranks #13 for water quality.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-10-06. 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 Minneapolis

Get alerts for Lotus Lake

Water Quality Grade: D (Nutrient-rich)

Murky, only visible to about 5.7 ft. Phosphorus level: 40.5 µg/L. Chlorophyll-a: 19.5 µg/L. Trophic State Index: 56.

MetricValueGrade
Water Clarity (Secchi Depth)5.7 ftNot graded
Phosphorus40.5 µg/LPoor
Chlorophyll-a (Algae)19.5 µg/LPoor
Trophic State Index (TSI)56Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Lotus Lake

Compare lakeside cabins, hotels, and vacation rentals near Lotus Lake in Carver 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 Lotus Lake are listed below.

Top-rated places to stay near Lotus 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

Lotus Lake typically sits around 73°F at the surface in August. Summer average is about 71°F. Usually warmest in Jul (about 73°F) and coldest in Jan (about 38°F). These are typical values by month — not a live reading.

Jan
38°
Feb
39°
Mar
Apr
54°
May
60°
Jun
68°
Jul
73°
Aug
73°
Sep
70°
Oct
67°
Nov
Dec

Typical surface water temperature by month, from 1,300 field readings (20102025) via the EPA Water Quality Portal. See the full Lotus Lake water temperature breakdown →

Lake Details

CharacteristicValue
Maximum Depth29 ft
Surface Area245 acres
Shoreline Length4.8 mi
Littoral Zone74%
Public AccessYes

Lake Size & Watershed

Watershed (drainage) area
2 sq mi
Elevation
892 ft

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

Recreation & Access

1
Boat Landings
Yes
Public Access
  • South Lotus Lake ParkPublic

Fish Species

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

Fishing Lotus 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 watermilfoilbrittle naiadzebra mussel

DNR Fisheries Survey Summary

11 surveys on file from MN DNR Fisheries. Most recent: 2025-06-30 (Standard Survey).

Top Species by Catch Rate

SpeciesAvg CPUEAvg Weight
Bluegill80.410.15 lb
SFS62.00
Bluntnose Minnow40.72
Largemouth Bass31.511.09 lb
Yellow Perch16.950.11 lb
Northern Pike8.945.13 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.

Bluegill

2,087 fish · 38 in · 2025-06-30
5512760345678

Largemouth Bass

11 fish · 516 in · 2025-06-30
3205678910111213141516

Yellow Perch

57 fish · 47 in · 2025-06-30
392004567

Northern Pike

27 fish · 2032 in · 2025-06-30
42020212223242526272829303132

From the 2025-06-30 survey

Lotus is a 245-acre (182 littoral acres) lake with a maximum depth of 29 feet. Lotus is located north of Chanhassen in northeastern Carver County. Lotus is primarily managed for Walleye and Largemouth Bass but also supports catchable populations of Bluegill, Black Crappie, and Northern Pike. Walleye fingerlings are…

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 Lotus Lake. 3 reports on file.

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

Based on 5 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Improving+0.199 m/yr5
Phosphorus Improving-2.61 µg/L/yr5
Chlorophyll-a Improving-3.1 µg/L/yr5
See year-by-year chart →

Ice Season

Historical ice data from Minnesota DNR (31 observations).

Typical Ice-Out
Apr 4
Typical Ice-In
Dec 1

Estimated open water season: 241 days

EarliestLatest
Ice-Out2024-03-03 (2024)2018-05-01 (2018)
Ice-In2018-11-13 (2018)2021-12-08 (2021)

Most recent ice-out: 2026-03-30

EPA Impairment Status

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

Causes of impairment

Impaired biota (cause unknown)MercuryNutrients (phosphorus, nitrogen)

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

Source: EPA ATTAINS assessment unit MN10-0006-00 · Official waterbody report

County Ranking

Ranked #13 of 38 lakes in Carver County

Nearby Lakes With Higher Grades

Lotus Lake holds Grade D. 3 nearby lakes hold higher nutrient-and-algae grades — useful for a swim day, not a reason to skip lodging here.

See full comparison →

Nearby Lakes in Carver County

Frequently asked questions about Lotus Lake

What is the water quality grade for Lotus Lake?

Lotus Lake in Carver County, Minnesota has a water quality grade of D (Nutrient-rich). Water clarity: 5.7 ft visibility. Phosphorus: 40.5 µg/L. Chlorophyll-a (algae): 19.5 µg/L. Maximum depth: 29 ft. Surface area: 245.1 acres.

Is Lotus 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. Lotus Lake has a water quality grade of D (Nutrient-rich). Algae concentration (chlorophyll-a) is 19.5 µg/L. Always check local health department advisories before swimming.

What is the water temperature of Lotus Lake?

Lotus Lake typically sits around 73°F at the surface in August, from 1,300 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.

How deep is Lotus Lake?

Lotus Lake has a maximum depth of 29 feet. The lake covers 245.1 acres.

What fish are in Lotus Lake?

Fish species found in Lotus Lake include black crappie, bluegill, brown bullhead, common carp, green sunfish, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, walleye, white sucker, yellow bullhead, yellow perch. Lotus Lake is located in Carver County, Minnesota.

When does Lotus Lake thaw?

Lotus Lake typically has ice-out around Apr 4. Ice typically forms around Dec 1. The open water season is approximately 241 days.

Are there boat ramps on Lotus Lake?

Lotus Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include South Lotus Lake Park. Public access is listed as yes.

Where this data comes from

496 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Minnesota Pollution Control Agency - Ambient Surface WaterMNPCA496 samples · 2020–2025

Analytical methods

  • Field measurement/observation, generic method
  • Phosphorus by Two Reagent Colorimetry
  • Phosphorus by Colorimetry
  • Analysis of Chlorophyll in Periphyton and Plankton
  • 10200 H ~ Chlorophyll a-b-c Determination
Monitoring station identifiers (1)

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