Silver Lake
Waukesha County, Wisconsin217 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Silver Lake. Here is what has been measured.
- Mesotrophic
- 2 aquatic invasives
- 40 ft max depth
- Public access
Silver Lake in Waukesha County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 10 ft visibility. Phosphorus: 11.8 µg/L. Maximum depth: 40 ft. Surface area: 217 acres.
Wisconsin DNR lists Panfish as common on Silver Lake. DNR survey details →
Silver Lake is a 217-acre mesotrophic lake in Waukesha County, Wisconsin with a maximum depth of 40 feet. Overall water quality is declining over recent sampling years. The lake supports 3 documented fish species including Panfish, Largemouth Bass, and Northern Pike. Public access is available with 1 public boat landing. Compared to the 34 other monitored lakes in Waukesha County, Silver Lake ranks #8 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-08-31. Methodology: how these readings are compared.
What Silver Lake is good for
From access and monitoring records, not editorial picks.
- Clear water10 ft of visibility
- Boat launch1 documented ramp
- Fishing3 species recorded
- Deep water40 ft surveyed max depth
Swimming conditions
Readings onlyLow algae
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Silver Lake is safe to swim in today is a call for the Wisconsin Department of Natural Resources and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Silver Lake
These are the measurements Wisconsin DNR publishes for Silver Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Good clarity, visible to about 10 ft. Phosphorus 11.8 µg/L. TSI 42.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 10ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 11.8µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 42 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Silver Lake
Answers come straight from the public measurements and survey records on this page.
Wisconsin DNR lists Panfish as common on Silver Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Silver Lake’s water-quality measurements separately, and the water-quality trend over 6 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.
WI DNR Lake Profile
Authoritative data from the Wisconsin DNR LakePages. Monitored by volunteers since 1990. 2 stations on file (most recent sample 2025).
Fish Species (DNR-rated)
Lake Details
Max depth
40 ft
Surface area
217 acres
Public access
Yes
Listed by Wisconsin DNR
Lake Size & Watershed
Watershed (drainage) area
4 sq mi
HydroLAKES / HydroSHEDS
Shoreline
2.5 mi
HydroLAKES / HydroSHEDS
Elevation
863 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Silver LakePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Silver Lake
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Top-rated places to stay near Silver Lake
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Fish Species
Click a species to see every lake where it is documented.
Fishing Silver Lake
Invasive & Introduced Species
Red chips are ecologically harmful invasive species. Gray chips are stocked or introduced fish that aren't a current ecological concern.
Water Quality Trend: Worsening
Based on 6 years of monitoring (2020–2025).
Water clarity
Worsening6 years
Phosphorus
Stable+0.04 µg/L/yr6 years
Nearby Lakes in Waukesha County
Frequently asked questions about Silver Lake
Where is Silver Lake?
- Silver Lake is a lake in Waukesha County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Silver Lake?
- Silver Lake in Waukesha County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 10 ft visibility. Phosphorus: 11.8 µg/L. Maximum depth: 40 ft. Surface area: 217 acres.
Is Silver Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Silver Lake?
- Silver Lake has a maximum depth of 40 feet. The lake covers 217 acres.
What fish are in Silver Lake?
- Fish species found in Silver Lake include Panfish, Largemouth Bass, Northern Pike. Silver Lake is located in Waukesha County, Wisconsin.
What did the DNR fisheries survey find at Silver Lake?
- Wisconsin DNR lists Panfish as common on Silver Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Silver Lake’s water-quality measurements separately, and the water-quality trend over 6 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.
Are there boat ramps on Silver Lake?
- Silver Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Silver Lake. Public access is listed as yes.
Can I fish at Silver Lake?
- Silver Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Wisconsin's fish and wildlife agency, so check its current regulations before you go.
Explore Silver Lake across LakeQuality
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Where this data comes from
39 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX39 samples · 2020–2025
Analytical methods
- Phosphorus by Colorimetry
- Total Phosphorus After Block Digestion
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Lake size & watershed from HydroLAKES (HydroSHEDS)
Fish and recreation data from Wisconsin DNR Lakes
Named boat-access points from the USGS National Boat Ramps inventory