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Mirror Lake
Enhanced dataInteractive depth contours
Mirror LakeSauk County, WI
Contours load with map Access
Interactive depth contours5-foot typical interval · Modeled depth estimate · Not a survey · Not for navigation
Source: LakeList depth modelmedium confidence · QA passed · Select a contour to inspect its mapped depthModeled depth estimate: contours computed from the lake's shoreline shape and its documented 19-ft maximum depth (depth grows with distance from shore, calibrated to the documented mean depth where available). This is a smooth mathematical model, not a survey - real holes, bars, and drop-offs will differ. Community sonar (C-MAP Genesis) overlays where recorded. Not for navigation.LakeList assistant
Plan your lake day
Fishing spots, food, lodging, marinas, and rentals around Mirror Lake.
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Fishing forecast
Best windows for Mirror Lake
Weather-based planning built from the National Weather Service hourly forecast near this lake.
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Checking wind, precipitation, and near-term weather windows.
Water temperature
Mirror Lake water temperature today
Modeled surface-temperature estimate built from seasonal climate, lake depth, and live National Weather Service air temperatures near this lake.
76°FPeak summer
Seasonal estimate. Checking current National Weather Service air temperatures…
Warmest water of the year. Fish hold deeper or feed in low light; swimming and watersports are at their best.
Estimates are modeled, not measured. Actual temperatures vary with depth, wind mixing, and recent weather — verify conditions before swimming, boating, or heading onto ice.
Wisconsin DNR water assessment
Impaired waterbody listed
The DNR lists this waterbody as impaired. This notice is not itself a closure; review the official assessment and current guidance before your trip.
303(d) / impairment recordRecreation restrictions noted
High Phosphorus LevelsPollutants: Total Phosphorus
- Status
- 303d Listed
- Public health
- General Advice
- Recreation
- Recreational Restrictions
- Aquatic life
- Not specified
Water is impaired due to one or more pollutants and associated quality impacts.
Review DNR water quality Check consumption advice Source updated 2026-03-25 · LakeList verified 2026-07-12
DNR water check
Water quality quick take
Historical volunteer-monitoring record for this lake.
Last sampled date unknown
Individual readings are not retained for this lake — the index below is what the monitoring record summarizes.
61 five-year summer trophic state index · Eutrophic. Nutrient-rich, greener water — more algae and plant growth, common in shallower lakes.
Listed as impaired on the DNR/EPA water-condition assessment — see the notice on this page for details.Mirror Lake - Site 1 South Basin Near Boat LandingStation 573079 · TSI based on chlorophyll
Historical record only — no current water-quality data exists for this lake. LakeList verified 2026-07-12.Official Wisconsin information
Plan with DNR sources
LakeList links to the authoritative record so you can verify maps, rules, and current notices before leaving.
Historical DNR depth maps2 converted map sheetsView DNR depth mapHistorical map · not for navigationFishing regulationsVerify current seasons, limits, and restrictionsOfficial DNR lake pageFacts, advisories, boating, and water qualityWater quality reportsMonitoring stations, clarity, and DNR reportsInvasive speciesVerified, observed, and historical AIS recordsBoating ordinancesLocal slow-no-wake and water-use restrictionsFish consumption advisoriesStatewide and waterbody-specific health guidance
Historical depth maps are not for navigation. Verify regulations and access at the official source before your trip.
Historical Wisconsin DNR maps
Mirror Lake depth maps
2 converted map sheets. These historical surveys are not for navigation.
Navigable depth map
Mirror Lake · sheet 1
Pan, zoom, and inspect the converted Wisconsin DNR historical map image in the browser. Historical survey — not for navigation.
Source: Wisconsin DNR · WBIC 1296000 · image navigation only; spatial alignment pending · Historical lake maps are not for navigation.
Source: Wisconsin Department of Natural Resources. Converted for browser access with source URLs, checksums, and retrieval dates retained. Historical lake maps are not for navigation.
Official fishing intelligence
Fishing reports and forecasts
LakeList matched these official resources by exact lake name and county. Report text stays with the publisher.
Forecasts describe DNR survey findings and expected opportunities; they are not real-time catch reports or a guarantee of fishing conditions.
Wisconsin DNR fisheries survey
Fish population survey
Structured LakeList extraction from the 2014 DNR fisheries survey. Population estimates, density, and catch-rate indices use different units, methods, and scopes, so each value is presented in its original form rather than normalized against a different measure.
Survey indicatorsValues keep their source unit and method; unlike measures are not scaled or compared.
Management contextMirror Lake (WBIC 1296000) only
Human-reviewed 2014 abundance, population, catch-rate, length, age and size-structure metrics for Mirror Lake.
- Historical survey snapshot; not current regulations or navigation guidance.
- Only explicit fish-population observations and estimates were promoted; stocking rows, management targets, regulations and unsupported chart-only values were excluded.
- Metric source pages, survey years, methods, raw units and exact report-waterbody scope are retained.
All fish
2,715 fish2014 catch count · p. 914 species2014 reported species count · p. 96 families2014 reported family count · p. 9
Black Crappie
510 fish2014 catch count · p. 116.3 fish/net-night2014 fyke net cpue · p. 1114.7 fish/mile2014 late spring electrofishing cpue · p. 11486 fish2014 measured count · p. 11
Bluegill
973 fish2014 catch count · p. 99.7 fish/net-night2014 fyke net cpue · p. 9143.3 fish/mile2014 late spring electrofishing cpue · p. 9876 fish2014 measured count · p. 10
Largemouth Bass
297 fish2014 catch count · p. 140.9 fish/net-night2014 fyke net cpue · p. 1416.2 fish/mile2014 early electrofishing cpue · p. 1418.2 fish/mile2014 late spring electrofishing cpue · p. 14
Northern Pike
362 fish2014 spring catch count including recaptures · p. 124.2 fish/net-night2014 fyke net cpue · p. 123.1 fish/mile2014 early electrofishing cpue · p. 121.5 fish/mile2014 late spring electrofishing cpue · p. 12
Smallmouth Bass
16 fish2014 catch count including recaptures · p. 180.1 fish/net-night2014 fyke net cpue less than · p. 180.3 fish/mile2014 early electrofishing cpue · p. 182 fish/mile2014 late spring electrofishing cpue · p. 18
Walleye
79 fish2014 spring catch count including recaptures · p. 170.7 fish/net-night2014 fyke net cpue · p. 172.2 fish/mile2014 early electrofishing cpue · p. 171.8 fish/mile2014 late spring electrofishing cpue · p. 17
White Crappie
8 fish2014 catch count · p. 188.2 inches2014 min length · p. 189.7 inches2014 max length · p. 188.9 inches2014 mean length · p. 18
Yellow Perch
270 fish2014 catch count · p. 16267 fish2014 fyke net catch count · p. 163.4 fish/net-night2014 fyke net cpue · p. 162 fish/mile2014 late spring electrofishing cpue · p. 16
Mirror Lake comprehensive survey, 2014Matched by exact wbic name county and lakelist uuid · WBICs 1296000 · verified 2026-07-21Wisconsin DNR fisheries report; LakeList operator documented permission to leverage this public report with source attribution.
139surface acres
19max depth feet
2public access points
43.5717, -89.8118latitude, longitude
Access
Public access points
Boat launchDelton Boat Landing43.56449, -89.83043Managed by TOWNSHIPTOWN OF DELTONRamp surface: Concrete PlankADA-accessible feature: YesVerified 2026-07-12
Boat launchState Park - E Side Of Lake43.57023, -89.81046Managed by Wisconsin DNR
DNR verifiedDirections
Nearby
Trip-planning places
No nearby trip-planning places yet
Fishery
Notable species
Largemouth BassNorthern PikePanfishWalleye
Depth FAQ
How deep is Mirror Lake?
Mirror Lake is 19 feet deep at its deepest point and averages about 8 feet, according to Wisconsin DNR records.
Is there a free depth map of Mirror Lake?
Yes. LakeList publishes a free interactive depth contour map of Mirror Lake at a typical 5-foot interval, with an optional 3D underwater view, derived from LakeList depth model survey data.
Where does the Mirror Lake depth map come from?
The interactive depth contours are derived from LakeList depth model. Each contour set passes a visual QA review against the source document before it is published. The depths are a modeled estimate calibrated to the lake's documented maximum depth - not a survey, and not for navigation.
Trust and freshness
Where this lake data comes from
Wisconsin DNR Lake Mapsname, coordinates, county, source identifiers
LakeList record updated 2026-07-12
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