What is the water quality grade for Lake Wooldridge?

Lake Wooldridge in Saline County, Wisconsin received a water quality grade of F (Very Poor). Phosphorus: 220 µg/L. Chlorophyll-a (algae): 777.8 µg/L. Surface area: 20 acres.

Is Lake Wooldridge safe to swim in?

Avoid swimming, very poor water quality, potential algae toxins. Lake Wooldridge has an overall water quality grade of F. Algae concentration (chlorophyll-a) is 777.8 µg/L. Always check local health department advisories before swimming.

Lake Wooldridge

Saline County, WisconsinHypereutrophic

Lake Wooldridge is a 20-acre highly nutrient-loaded hypereutrophic lake in Saline County, MO. Water quality is graded F based on 2 sampling years through 2021. Compared to the 1 other monitored lakes in Saline County, Lake Wooldridge ranks #2 for water quality.

Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2021-03-26. Grade methodology: LakeGrade methodology.

Swimming Safety

Avoid swimming, very poor water quality, potential algae toxins

Water Quality Grade: F, Very Poor

No clarity data. Phosphorus level: 220 µg/L. Chlorophyll-a: 777.8 µg/L. Trophic State Index: 89.

Metric	Value	Grade
Water Clarity (Secchi Depth)	No data
Phosphorus	220 µg/L	F
Chlorophyll-a (Algae)	777.8 µg/L	F
Trophic State Index (TSI)	89	Hypereutrophic

Very high nutrients, dense algae, poor clarity

Lake Details

Characteristic	Value
Surface Area	20 acres

Location

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County Ranking

Ranked #2 of 2 lakes in Saline County

Cleaner Lakes Within 30 Miles

Lake Wooldridge holds Grade F. 5 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Saline County

Higginsville South Lake

Lafayette County

Marceline City Lake New Nr. Dam

Chariton County

Edwin A Pape Lake

Lafayette County

More Wisconsin Lake Rankings

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Top 25 by overall water quality score

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Grade A/B + low algae filter

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Panfish-rich, public access

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Other Grade F Lakes in Wisconsin

Creve Coeur Lake

St. Louis County · Clarity: 1.6 ft

Lake of the Woods-Kc

Jackson County · Clarity: 2 ft

Lake St. Louis by Dam

St. Charles County · Clarity: 2.3 ft

Hemitite Lake

St. Francois County · Clarity: 1.1 ft

Stockton Lake Upstream of Hwy 123 Bridge

Polk County · Clarity: 1.2 ft

Little Dixie Lk. Lake

Callaway County · Clarity: 1.7 ft

Hypereutrophic Lakes in Wisconsin

Hemitite Lake Stockton Lake Upstream of Hwy 123 Bridge Dairy Farm Lake No.1 Lake St. Louis Nr. Hwy 40

Reservoir Info (USACE NID)

Lake Wooldridge is a man-made reservoir impounded by the Van Meter Dam (completed 1963), built primarily for recreation on the TR MISSOURI RIVER; earth-type dam, 60 ft tall and 394 ft long.

Surface area: 20 ac
Normal storage: 403 ac-ft
Max storage: 571 ac-ft
Drainage area: 0.33 sq mi
Hazard class: High
Owner: MO. DNR PARKS

Source: USACE National Inventory of Dams, NID ID MO10658 · Operator website · Matched by proximity (0.01 km)

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2021-03-26

Monitoring stations: 1