C

Stockton Lake-L.Sac Arm

Dade County, WisconsinEutrophic

Stockton Lake-L.Sac Arm is a productive, nutrient-rich eutrophic lake in Dade County, MO. Water quality is graded C based on 3 sampling years through 2024.

Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2024-09-17. Grade methodology: LakeGrade methodology.

Swimming Safety

Generally safe for swimming, moderate water quality

Water Quality Grade: C, Fair

Murky, only visible to about 4.3 ft. Phosphorus level: 20 µg/L. Chlorophyll-a: 8 µg/L. Trophic State Index: 52.

Metric	Value	Grade
Water Clarity (Secchi Depth)	4.3 ft	D
Phosphorus	20 µg/L	B
Chlorophyll-a (Algae)	8 µg/L	B
Trophic State Index (TSI)	52	Eutrophic

High nutrients, frequent algae, reduced clarity

Location

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County Ranking

Ranked #1 of 1 lakes in Dade County

Cleaner Lakes Within 30 Miles

Stockton Lake-L.Sac Arm holds Grade C. 3 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Dade County

Stockton State Park Marina Lake

Stockton Lake Upstream of Hwy 123 Bridge

Stockton Lake by Dam

Pomme de Terre Lake

More Wisconsin Lake Rankings

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Grade A/B + low algae filter

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Panfish-rich, public access

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Other Grade C Lakes in Wisconsin

Aspen Lake Along Southern Arm

Warren County · Clarity: 3.8 ft

Mark Twain Lake by Hwy J

Ralls County · Clarity: 3.7 ft

Warren County · Clarity: 3.3 ft

Platte County · Clarity: 4.7 ft

Table Rock L. Nr. Greens Hollow Lake

Barry County · Clarity: 5 ft

Little Prairie Lake by Dam

Phelps County · Clarity: 4.9 ft

Eutrophic Lakes in Wisconsin

Aspen Lake Along Southern Arm Boathouse Lake Hunnewell Lake Long Branch Lk. Lake

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2024-09-17

Monitoring stations: 1