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LakeQuality

Rice Lake

D
Grade D — Nutrient-rich
Nutrient-rich · #16 of 19 lakes in the county · 1.7 ft clear · Eutrophic · 144 acres
Eutrophic

Rice Lake in Walworth County, Wisconsin has a water quality grade of D (Nutrient-rich). Water clarity: 1.7 ft visibility. Phosphorus: 60.3 µg/L. Maximum depth: 10 ft. Surface area: 144 acres.

Wisconsin DNR lists Panfish as common on Rice Lake. DNR survey details →

Clarity
1.7 ft
Max depth
10 ft
Area
144 acres
Type
Eutrophic
Trend
Declining
Public access
Yes

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

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Rice Lake is a 144-acre productive, nutrient-rich eutrophic lake in Walworth County, Wisconsin with a maximum depth of 10 feet. Water quality is graded D based on 1 sampling years through 2026. Overall water quality is declining over recent sampling years. The lake supports 3 documented fish species including Panfish, Largemouth Bass, and Northern Pike. Public access is available with 3 public boat landings. Compared to the 18 other monitored lakes in Walworth County, Rice Lake ranks #16 for water quality.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2026-06-20. Grade methodology: LakeQuality methodology.

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Swimming Safety

Grade only

Bacteria B

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.

B
Bacteria swim-safety grade: B
from E. coli testing · 119 samples, 9 seasons

Based on E. coli testing, Rice Lake rarely exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0.8% of 119 samples across 9 seasons.

This is a historical summary of past testing, not a current condition — bacteria levels change quickly, especially after rain. Always check Wisconsin’s current beach and health-department advisories before swimming.

Compare the safest swimming lakes near Rockford

Get alerts for Rice Lake

Water Quality Grade: D (Nutrient-rich)

Very murky, less than 1.7 ft of visibility. Phosphorus level: 60.3 µg/L. Trophic State Index: 66.

MetricValueGrade
Water Clarity (Secchi Depth)1.7 ftNot graded
Phosphorus60.3 µg/LPoor
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)66Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Rice Lake

Compare lakeside cabins, hotels, and vacation rentals near Rice Lake in Walworth County, Wisconsin — 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 Rice Lake are listed below.

Top-rated places to stay near Rice 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 Wisconsin’s top lakes →

DNR fisheries survey

Wisconsin DNR lists Panfish as common on Rice Lake.

A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Rice Lake D from EPA Water Quality Portal chemistry, and the water-quality trend over 7 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.

WI DNR Lake Profile

Authoritative data from the Wisconsin DNR LakePages. Monitored by volunteers since 1986. 3 stations on file (most recent sample 2025).

DNR Assessment
Fair · Reservoir lake
Trophic State Index 64 (eutrophic) · 5-year average

Fish Species (DNR-rated)

Panfish(Common)Largemouth Bass(Present)Northern Pike(Present)

Lake Details

CharacteristicValue
Maximum Depth10 ft
Surface Area144 acres
Public AccessYes

Lake Size & Watershed

Watershed (drainage) area
11 sq mi
Shoreline
2.5 mi
Elevation
869 ft

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

Recreation & Access

3
Boat Landings
Yes
Public Access
  • Cruise LanePublic
  • Whitewater LakePublic
  • Rice LakePublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Fish Species

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

Fishing Rice 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.

Curly-Leaf PondweedEurasian Water-MilfoilHybrid Eurasian / Northern Water-MilfoilPurple Loosestrife

Based on 7 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Declining-0.233 m/yr7
Phosphorus Declining+3.82 µg/L/yr7
See year-by-year chart →

Reservoir Info (USACE NID)

Rice Lake is a man-made reservoir impounded by the Rice Lake (completed 1968), built primarily for recreation on the Trib Whitewater Creek; earth-type dam, 18 ft tall and 200 ft long.

Surface area
137 ac
Normal storage
460 ac-ft
Max storage
1,140 ac-ft
Drainage area
11.8 sq mi
Hazard class
High
Owner
Wisconsin Department of Natural Resources

Source: USACE National Inventory of Dams, NID ID WI00856 · Operator website

EPA Impairment Status

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

Causes of impairment

Nutrients (phosphorus, nitrogen)

Source: EPA ATTAINS assessment unit WI10001551 · Official waterbody report

Regulated Pollution Sources Nearby

1 EPA-permitted facility operate within about 5 miles of Rice Lake under Clean Water Act (NPDES) discharge permits. 1 facility has a reported Clean Water Act violation in the past three years.

  • Katzman Farms Inc
    La Grange, Town Of · 3.3 mi away · NPDES WI0064769
    Recent violation

Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.

County Ranking

Ranked #16 of 19 lakes in Walworth County

Nearby Lakes With Higher Grades

Rice 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 Walworth County

Frequently asked questions about Rice Lake

Where is Rice Lake?

Rice Lake is a lake in Walworth County, Wisconsin. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.

What is the water quality grade for Rice Lake?

Rice Lake in Walworth County, Wisconsin has a water quality grade of D (Nutrient-rich). Water clarity: 1.7 ft visibility. Phosphorus: 60.3 µg/L. Maximum depth: 10 ft. Surface area: 144 acres.

Is Rice Lake safe to swim in?

Based on E. coli testing, Rice Lake rarely exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0.8% of 119 samples across 9 seasons. That works out to a bacteria swim-safety grade of B — a historical summary of past testing, not a current reading. Rice Lake has a water quality grade of D (Nutrient-rich). Bacteria levels can spike quickly after heavy rain, so always check Wisconsin's current beach and health-department advisories before you swim.

How deep is Rice Lake?

Rice Lake has a maximum depth of 10 feet. The lake covers 144 acres.

What fish are in Rice Lake?

Fish species found in Rice Lake include Panfish, Largemouth Bass, Northern Pike. Rice Lake is located in Walworth County, Wisconsin.

What did the DNR fisheries survey find at Rice Lake?

Wisconsin DNR lists Panfish as common on Rice Lake. A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Rice Lake D from EPA Water Quality Portal chemistry, and the water-quality trend over 7 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.

Are there boat ramps on Rice Lake?

Rice Lake has 3 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Cruise Lane, Whitewater Lake, Rice Lake. Public access is listed as yes.

Where this data comes from

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

Collected and reported by

  • Wisconsin Department of Natural ResourcesWIDNR_WQX58 samples · 2020–2026

Analytical methods

  • Phosphorus by Colorimetry
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

Regulated discharger data from EPA ECHO (ICIS-NPDES)

Lake size & watershed from HydroLAKES (HydroSHEDS)

Fish and recreation data from Wisconsin DNR Lakes

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