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LakeQuality
B

Stockton Lake by Dam

Cedar County, WisconsinMesotrophic

Stockton Lake by Dam is a 24,900-acre mesotrophic lake in Cedar County, MO. Water quality is graded B based on 3 sampling years through 2024. Compared to the 3 other monitored lakes in Cedar County, Stockton Lake by Dam ranks #2 for water quality.

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

Swimming Safety

Good for swimming, clear water with low algae levels

Water Quality Grade: B, Good

Moderate clarity, visible to about 7.9 ft. Phosphorus level: 11 µg/L. Chlorophyll-a: 4.7 µg/L. Trophic State Index: 44.

MetricValueGrade
Water Clarity (Secchi Depth)7.9 ftC
Phosphorus11 µg/LA
Chlorophyll-a (Algae)4.7 µg/LA
Trophic State Index (TSI)44Mesotrophic

Moderate nutrients, good water quality

Lake Details

CharacteristicValue
Surface Area24.9K acres

Location

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County Ranking

Ranked #2 of 4 lakes in Cedar County

Nearby Lakes in Cedar County

Reservoir Info (USACE NID)

Stockton Lake by Dam is a man-made reservoir impounded by the Stockton Dam (completed 1969), built primarily for flood risk reduction on the SAC RIVER; rockfill-type dam, 153 ft tall and 6,100 ft long.

Surface area
24,900 ac
Normal storage
892,000 ac-ft
Max storage
1,674,000 ac-ft
Drainage area
1,160 sq mi
Hazard class
High
Owner
USACE - Kansas City District

All listed purposes: Flood Risk Reduction;Other;Irrigation;Navigation;Fish and Wildlife Pond;Recreation;Hydroelectric;Water Supply.

Source: USACE National Inventory of Dams, NID ID MO30200 · Operator website · Matched by proximity (0.62 km)

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