D

Pomme de Terre Lake

Hickory County, WisconsinEutrophic

Pomme de Terre Lake is a productive, nutrient-rich eutrophic lake in Hickory County, MO. Water quality is graded D based on 3 sampling years through 2024. Compared to the 9 other monitored lakes in Hickory County, Pomme de Terre Lake ranks #4 for water quality.

Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2024-09-26. Grade methodology: LakeGrade methodology.

Swimming Safety

Swimming not recommended, poor water quality with high algae risk

Water Quality Grade: D, Poor

Very murky, less than 2.6 ft of visibility. Phosphorus level: 39 µg/L. Chlorophyll-a: 19.9 µg/L. Trophic State Index: 60.

Metric	Value	Grade
Water Clarity (Secchi Depth)	2.6 ft	F
Phosphorus	39 µg/L	C
Chlorophyll-a (Algae)	19.9 µg/L	C
Trophic State Index (TSI)	60	Eutrophic

High nutrients, frequent algae, reduced clarity

Location

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County Ranking

Ranked #4 of 10 lakes in Hickory County

Cleaner Lakes Within 30 Miles

Pomme de Terre Lake holds Grade D. 2 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Hickory County

Pomme de Terre L. Lake

Pomme de Terre Lake 4.5 Mi. Ab. Dam

Pomme de Terre L. Central Arm Lake

Pomme de Terre Lake

Pomme de Terre L. Lake

Pomme de Terre Lake @ Cr 306

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Other Grade D Lakes in Wisconsin

St. Louis city County · Clarity: 2.3 ft

Shelby County · Clarity: 3.2 ft

Long Branch Lk. Lake

Macon County · Clarity: 1.8 ft

Harrison County Lake Intake

Harrison County · Clarity: 1.7 ft

Table Rock L. Bl. Hwy. 173 Lake

Stone County · Clarity: 2.3 ft

Henry Sever Lake

Knox County · Clarity: 2.1 ft

Eutrophic Lakes in Wisconsin

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

EPA Impairment Status

Pomme de Terre Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).

Causes of impairment

Algal growth

Source: EPA ATTAINS assessment unit MO_7238.00 · Official waterbody report

Data Sources

Water quality data from the EPA Water Quality Portal

Impairment status from EPA ATTAINS 303(d) database

Grading methodology based on Metropolitan Council standards

Most recent sample: 2024-09-26

Monitoring stations: 1