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LakeQuality

Reitz Lake

F
Grade F — Algae-prone
Algae-prone · #35 of 38 lakes in the county · 3 ft clear · Eutrophic · 92 acres · from D
Eutrophic

Reitz Lake in Carver County, Minnesota has a water quality grade of F (Algae-prone). Water clarity: 3 ft visibility. Phosphorus: 53 µg/L. Chlorophyll-a (algae): 36.8 µg/L. Maximum depth: 36 ft. Surface area: 92.42 acres.

Clarity
3 ft
Typical in August
58°F
Max depth
36 ft
Area
92 acres
Type
Eutrophic
Trend
Declining
Public access
Yes
Ice-out
Apr 8
Open water
238 days

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

Next lake in Carver County

CWaconia Lake7.3 ft clear · Carver CountyView →
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Reitz Lake is a 92-acre productive, nutrient-rich eutrophic lake in Carver County, Minnesota with a maximum depth of 36 feet. Water quality is graded F based on 2 sampling years through 2025. Overall water quality is declining over recent sampling years. The lake supports 14 documented fish species including black bullhead, black crappie, and bluegill. Public access is available with 1 public boat landing. Compared to the 37 other monitored lakes in Carver County, Reitz Lake ranks #35 for water quality.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-10-16. 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.

Algae and nutrients are often high — check current advisories before swimming. Skip the water if you see scum or a paint-like bloom

Compare the safest swimming lakes near Minneapolis

Get alerts for Reitz Lake

Water Quality Grade: F (Algae-prone)

Very murky, less than 3 ft of visibility. Phosphorus level: 53 µg/L. Chlorophyll-a: 36.8 µg/L. Trophic State Index: 63.

MetricValueGrade
Water Clarity (Secchi Depth)3 ftNot graded
Phosphorus53 µg/LPoor
Chlorophyll-a (Algae)36.8 µg/LPoor
Trophic State Index (TSI)63Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Reitz Lake

Compare lakeside cabins, hotels, and vacation rentals near Reitz 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 Reitz Lake are listed below.

Top-rated places to stay near Reitz 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

Reitz Lake typically sits around 58°F at the surface in August. Summer average is about 57°F. Usually warmest in Jul (about 59°F) and coldest in Jan (about 38°F). These are typical values by month — not a live reading.

Jan
38°
Feb
38°
Mar
40°
Apr
50°
May
51°
Jun
55°
Jul
59°
Aug
58°
Sep
58°
Oct
55°
Nov
Dec

Typical surface water temperature by month, from 997 field readings (20102025) via the EPA Water Quality Portal. See the full Reitz Lake water temperature breakdown →

Lake Details

CharacteristicValue
Maximum Depth36 ft
Surface Area92 acres
Shoreline Length2.1 mi
Littoral Zone49%
Public AccessYes

Lake Size & Watershed

Watershed (drainage) area
4 sq mi
Elevation
928 ft

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

Recreation & Access

1
Boat Landings
Yes
Public Access
  • Reitz LakePublic

Fish Species

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

Fishing Reitz 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

7 surveys on file from MN DNR Fisheries. Most recent: 2021-06-21 (Standard Survey).

Top Species by Catch Rate

SpeciesAvg CPUEAvg Weight
Bluegill52.240.22 lb
White Crappie44.830.34 lb
Black Bullhead41.890.65 lb
Black Crappie22.490.22 lb
Yellow Perch17.940.19 lb
Green Sunfish15.860.09 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

972 fish · 38 in · 2021-06-21
4182090345678

Black Bullhead

243 fish · 510 in · 2021-06-21
1879405678910

Black Crappie

809 fish · 311 in · 2021-06-21
5182590trophy 1034567891011

Yellow Perch

133 fish · 510 in · 2021-06-21
472405678910

From the 2021-06-21 survey

Reitz Lake is 92-acres (45.7 littoral acres), with a maximum depth of 36 feet. Reitz is located east of Waconia in central Carver County. Public water access is provided by the DNR Parks and Trails on the north side of the lake off of Reitz Lake road (up to 3 vehicle/trailer parking spaces). Reitz is primarily managed…

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 Reitz Lake. 2 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-0.052 m/yr6
Phosphorus Declining+14.81 µg/L/yr6
Chlorophyll-a Declining+6.08 µg/L/yr6
See year-by-year chart →

Ice Season

Historical ice data from Minnesota DNR (13 observations).

Typical Ice-Out
Apr 8
Typical Ice-In
Dec 2

Estimated open water season: 238 days

EarliestLatest
Ice-Out2024-03-03 (2024)2014-04-19 (2014)
Ice-In2022-11-20 (2022)2021-12-07 (2021)

Most recent ice-out: 2024-03-03

EPA Impairment Status

Reitz Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).

Causes of impairment

MercuryNutrients (phosphorus, nitrogen)

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

Source: EPA ATTAINS assessment unit MN10-0052-00 · Official waterbody report

County Ranking

Ranked #35 of 38 lakes in Carver County

Nearby Lakes With Higher Grades

Reitz Lake holds Grade F. 2 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 Reitz Lake

What is the water quality grade for Reitz Lake?

Reitz Lake in Carver County, Minnesota has a water quality grade of F (Algae-prone). Water clarity: 3 ft visibility. Phosphorus: 53 µg/L. Chlorophyll-a (algae): 36.8 µg/L. Maximum depth: 36 ft. Surface area: 92.42 acres.

Is Reitz Lake safe to swim in?

Algae and nutrients are often high — check current advisories before swimming. Skip the water if you see scum or a paint-like bloom. Reitz Lake has a water quality grade of F (Algae-prone). Algae concentration (chlorophyll-a) is 36.8 µg/L. Always check local health department advisories before swimming.

What is the water temperature of Reitz Lake?

Reitz Lake typically sits around 58°F at the surface in August, from 997 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.

How deep is Reitz Lake?

Reitz Lake has a maximum depth of 36 feet. The lake covers 92.42 acres.

What fish are in Reitz Lake?

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

When does Reitz Lake thaw?

Reitz Lake typically has ice-out around Apr 8. Ice typically forms around Dec 2. The open water season is approximately 238 days.

Are there boat ramps on Reitz Lake?

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

Where this data comes from

219 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 WaterMNPCA219 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 (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