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LakeQuality
A

Silver Lake

Kenosha County, WisconsinOligotrophic

Silver Lake earns an A — water clarity, phosphorus, and chlorophyll-a all rate among the best monitored waters in Kenosha County. Clarity, phosphorus, and chlorophyll-a all rate similarly, so there is no obvious single lever to pull on watershed management.

The lake's low TSI puts it in oligotrophic territory — the cleanest of the four trophic classes, but also the most vulnerable to nutrient-driven shifts. The lake bottoms out at 44 ft — a moderate depth that supports a warm-water fishery without the year-round cold refuge a deeper basin provides. The lake's 516 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. Among the 13 graded lakes in Kenosha County, Silver Lake ranks 1 — in the top quartile locally.

Zebra mussel presence at Silver Lake means the lake's clarity numbers carry an asterisk — filtered water is not the same as nutrient-poor water. The fishery includes walleye alongside the lake's other 7 documented species — a notable draw for Wisconsin anglers. A documented public access point at Silver Lake makes the lake usable for shore fishing, paddle craft, and trailered boats. The grade is based on limited monitoring — fewer than three independent measurement years contribute, so future updates may shift the letter.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-08-31. Grade methodology: LakeGrade methodology.

Swimming Safety

Excellent for swimming, crystal clear water with minimal algae

Water Quality Grade: A, Excellent

Crystal clear, you can see 25.5 ft down. Phosphorus level: 18 µg/L. Trophic State Index: 38.

MetricValueGrade
Water Clarity (Secchi Depth)25.5 ftA
Phosphorus18 µg/LA
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)38Oligotrophic

Low nutrients, clear water, excellent for swimming

Lake Details

CharacteristicValue
Maximum Depth44 ft
Surface Area516 acres
Public AccessYes

Fish Species

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

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

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

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

Invasive Species

Curly-Leaf PondweedEurasian Water-MilfoilHybrid Eurasian / Northern Water-MilfoilPurple LoosestrifeZebra MusselStarry Stonewort

Water Quality Trend: Stable

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

MetricTrendChange/YearYears
Water Clarity Declining-0.552 m/yr5
Phosphorus Improving-1.11 µg/L/yr5

Recreation & Access

3
Boat Landings
Yes
Public Access

Location

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County Ranking

Ranked #1 of 13 lakes in Kenosha County

Nearby Lakes in Kenosha County

WI DNR Lake Profile

Authoritative data from the Wisconsin DNR LakePages. Monitored by volunteers since 1987. 1 station on file (most recent sample 2025).

DNR Assessment
Excellent · Deep Lowland lake
Trophic State Index 46 (mesotrophic) · 5-year average

Fish Species (DNR-rated)

Musky(Common)Largemouth Bass(Common)Northern Pike(Common)Walleye(Common)Panfish(Present)Smallmouth Bass(Present)Catfish(Present)

DNR Reports & Resources

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

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Fish and recreation data from Wisconsin DNR Lakes

Most recent sample: 2025-08-31

Monitoring stations: 1