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B

Camelot Lake

Adams County, WisconsinMesotrophic

Camelot Lake carries a solid B grade — strong on most parameters, with measurements that hold up well across the summer season. Clarity is the limiting factor — phosphorus is reasonable but suspended particles or algal cells keep water transparency below Wisconsin norms.

The lake sits in the mesotrophic zone — the band where most well-managed Wisconsin lakes fall. Camelot Lake reaches 24 ft at its deepest point — typical for Wisconsin mid-sized lakes, with seasonal stratification but limited cold-water refuge. The lake's 393 acres and partial shoreline records put it in the mid-range bucket — large enough for varied use, small enough that watershed inputs reach the whole basin. Camelot Lake ranks 6 of 19 in Adams County — solidly in the upper half of the local distribution.

Camelot Lake is on the Wisconsin infested-waters list for zebra mussels — boaters should follow clean-drain-dry protocols when moving gear to or from the lake. Walleye are documented at Camelot Lake, one of 4 fish species on record for the lake. Monitoring depth is thin here: the LakeGrade rubric is applied to a small number of sample years, and the grade will be revised as more data accumulates.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-08-26. Grade methodology: LakeGrade methodology.

Reviewed by LakeQuality Editorial Team · Updated

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Swimming Safety

Good for swimming, clear water with low algae levels

Water Quality Grade: B, Good

Moderate clarity, visible to about 8 ft. Phosphorus level: 17.2 µg/L. Trophic State Index: 46.

MetricValueGrade
Water Clarity (Secchi Depth)8 ftC
Phosphorus17.2 µg/LA
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)46Mesotrophic

Moderate nutrients, good water quality

Lake Details

CharacteristicValue
Maximum Depth24 ft
Surface Area393 acres

Fish Species

Click a species to see all Wisconsin and Minnesota lakes where it is found.

→ Best fishing times for Camelot Lake (14-day solunar calendar)

→ Is it safe to eat fish from Camelot Lake? (mercury & PFAS guide)

Camelot Lake fishing regulations (limits, seasons, special rules)

Invasive & Introduced Species

Red chips are ecologically harmful invasive species. Gray chips are stocked or introduced fish that aren't a current ecological concern.

Banded Mystery SnailChinese Mystery SnailCurly-Leaf PondweedEurasian Water-MilfoilHybrid Eurasian / Northern Water-MilfoilPurple LoosestrifeZebra Mussel

Water Quality Trend: Improving

Based on 6 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Improving+0.171 m/yr6
Phosphorus Improving-0.41 µg/L/yr6
See year-by-year chart →

Location

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County Ranking

Ranked #6 of 19 lakes in Adams County

Cleaner Lakes Within 30 Miles

Camelot Lake holds Grade B. One nearby lake has a higher grade.

See full comparison →

Nearby Lakes in Adams County

WI DNR Lake Profile

Authoritative data from the Wisconsin DNR LakePages. Monitored by volunteers since 1989. 15 stations on file (most recent sample 2025).

DNR Assessment
Reported
Trophic State Index 55 (eutrophic) · 5-year average

Fish Species (DNR-rated)

Panfish(Abundant)Largemouth Bass(Common)Northern Pike(Present)Walleye(Present)

DNR Reports & Resources

Wisconsin DNR Fisheries scientists publish multi-year survey reports for Camelot Lake covering fish populations, stocking, water quality, and management. 1 report on file.

Reservoir Info (USACE NID)

Camelot Lake is a man-made reservoir impounded by the Lake Camelot (completed 1969), built primarily for recreation on the FOURTEENMILE&SPRING BRANCH CR; earth-type dam, 29 ft tall and 3,250 ft long.

Surface area
445 ac
Normal storage
3,400 ac-ft
Max storage
7,500 ac-ft
Drainage area
70 sq mi
Hazard class
High
Owner
Adams County

Source: USACE National Inventory of Dams, NID ID WI00063 · Operator website

EPA Impairment Status

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

Causes of impairment

Cause unknown

Source: EPA ATTAINS assessment unit WI10026706 · Official waterbody report · Matched by proximity (1.02 km)

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: 2025-08-26

Monitoring stations: 1