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LakeQuality
C

Balsam Lake Little Balsam Site

Polk County, WisconsinEutrophic

The LakeGrade rubric puts Balsam Lake Little Balsam Site at a C: clarity at 5.7 ft, 43 µg/L of phosphorus, and a TSI of 55 signal an intermediate trophic state. The three sub-grades — clarity, phosphorus, and chlorophyll-a — track close together, so no single parameter is dragging the average.

A TSI in the eutrophic range signals a lake doing what nutrient-loaded waters do — supporting an active algal community at the cost of clear water. A maximum depth of 37 ft puts Balsam Lake Little Balsam Site in the middle of Wisconsin's depth distribution. Balsam Lake Little Balsam Site covers 1,901 acres alongside partial shoreline records, large enough that conditions can vary meaningfully between bays. Balsam Lake Little Balsam Site ranks 57 of 74 in Polk County — at the lower end of the locally monitored distribution.

Balsam Lake Little Balsam Site is on the Wisconsin infested-waters list for zebra mussels — boaters should follow clean-drain-dry protocols when moving gear to or from the lake. The fishery includes walleye alongside the lake's other 4 documented species — a notable draw for Wisconsin anglers. A documented public access point at Balsam Lake Little Balsam Site makes the lake usable for shore fishing, paddle craft, and trailered boats. Monitoring depth is thin here: the LakeGrade rubric is applied to a small number of sample years, and the grade will be revised as more data accumulates.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-09-08. Grade methodology: LakeGrade methodology.

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Swimming Safety

Generally safe for swimming, moderate water quality

Water Quality Grade: C, Fair

Murky, only visible to about 5.7 ft. Phosphorus level: 42.7 µg/L. Trophic State Index: 55.

MetricValueGrade
Water Clarity (Secchi Depth)5.7 ftD
Phosphorus42.7 µg/LC
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)55Eutrophic

High nutrients, frequent algae, reduced clarity

Lake Details

CharacteristicValue
Maximum Depth37 ft
Surface Area1,901 acres
Public AccessYes

Fish Species

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

→ Best fishing times for Balsam Lake Little Balsam Site (14-day solunar calendar)

→ Is it safe to eat fish from Balsam Lake Little Balsam Site? (mercury & PFAS guide)

Balsam Lake Little Balsam Site fishing regulations (limits, seasons, special rules)

Invasive & Introduced Species

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

Chinese Mystery SnailCurly-Leaf PondweedEurasian Water-MilfoilJapanese knotweedPurple LoosestrifeZebra Mussel

Water Quality Trend: Declining

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

MetricTrendChange/YearYears
Water Clarity Declining-0.229 m/yr6
Phosphorus Declining+4.35 µg/L/yr6
See year-by-year chart →

Recreation & Access

6
Boat Landings
Yes
Public Access

Location

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County Ranking

Ranked #57 of 74 lakes in Polk County

Cleaner Lakes Within 30 Miles

Balsam Lake Little Balsam Site holds Grade C. 5 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Polk County

WI DNR Lake Profile

Authoritative data from the Wisconsin DNR LakePages. Monitored by volunteers since 1987. 15 stations on file (most recent sample 2025).

DNR Assessment
Excellent · Shallow Lowland lake
Trophic State Index 47 (mesotrophic) · 5-year average

Fish Species (DNR-rated)

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

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Fish and recreation data from Wisconsin DNR Lakes

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

Most recent sample: 2025-09-08

Monitoring stations: 1

Where to stay near Balsam Lake Little Balsam Site

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