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LakeQuality
D

Snyder Bend Lake

Woodbury County, WisconsinEutrophic

Snyder Bend Lake is a productive, nutrient-rich eutrophic lake in Woodbury County, IA. Water quality is graded D based on 2 sampling years through 2024. Compared to the 2 other monitored lakes in Woodbury County, Snyder Bend Lake ranks #2 for water quality.

Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2024-09-19. 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 2.1 ft of visibility. Chlorophyll-a: 27.3 µg/L. Trophic State Index: 65.

MetricValueGrade
Water Clarity (Secchi Depth)2.1 ftF
PhosphorusNo data
Chlorophyll-a (Algae)27.3 µg/LD
Trophic State Index (TSI)65Eutrophic

High nutrients, frequent algae, reduced clarity

Location

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County Ranking

Ranked #2 of 3 lakes in Woodbury County

Cleaner Lakes Within 30 Miles

Snyder Bend Lake holds Grade D. One nearby lake has a higher grade.

See full comparison →

Nearby Lakes in Woodbury County

EPA Impairment Status

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

Causes of impairment

Algal growthTurbidity

Source: EPA ATTAINS assessment unit IA 06-WEM-1734 · 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: 2024-09-19

Monitoring stations: 1