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Copper Lake
Enhanced dataHistorical depth chart
Copper LakeLincoln County, WI
Historical source depth chart available1 converted source DNR map sheet can be panned and zoomed in the browser. Interactive contours stay hidden until visual QA passes. Historical survey — not for navigation.
View browser depth chartLakeList assistant
Plan your lake day
Fishing spots, food, lodging, marinas, and rentals around Copper Lake.
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Fishing forecast
Best windows for Copper 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
Copper Lake water temperature today
Modeled surface-temperature estimate built from seasonal climate, lake depth, and live National Weather Service air temperatures near this lake.
74°FWarm
Seasonal estimate. Checking current National Weather Service air temperatures…
Comfortable summer pattern. Bass and panfish are active; early and late hours beat the midday heat.
Estimates are modeled, not measured. Actual temperatures vary with depth, wind mixing, and recent weather — verify conditions before swimming, boating, or heading onto ice.
DNR water check
Water quality quick take
Historical volunteer-monitoring record for this lake.
Last sampled May 2007Volunteer monitoring 1985–2007
DNR volunteers monitored this lake for about 22 years, ending in 2007. Its final monitored summers showed hazy water (~3.6 ft Secchi) in 2005 and elevated nutrients (phosphorus ~40 µg/L) in 1985. After 19 years without samples, these readings describe the lake as it was, not as it is.
| Year | Secchi | Chlorophyll-a | Total phosphorus |
|---|---|---|---|
| 2005 | 3.6 ft (2) | — | — |
| 2004 | 2.3 ft (2) | — | — |
| 1985 | — | — | 40.0 µg/L (1) |
Copper Lake - Deep HoleStation 353118
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 maps1 converted map sheetView 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
Copper Lake depth maps
1 converted map sheet. These historical surveys are not for navigation.
Navigable depth map
Copper 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 1487800 · 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.
35surface acres
24max depth feet
1public access points
45.3251, -89.6132latitude, longitude
Access
Public access points
Boat launchCopper Lake Ramp45.32485, -89.60944Managed by TOWNSHIPTOWN OF BIRCHRamp surface: GravelADA-accessible feature: NoVerified 2026-07-12
Nearby
Trip-planning places
No nearby trip-planning places yet
Fishery
Notable species
PanfishLargemouth BassNorthern Pike
Depth FAQ
How deep is Copper Lake?
Copper Lake is 24 feet deep at its deepest point and averages about 10 feet, according to Wisconsin DNR records.
Is there a free depth map of Copper Lake?
Yes. 1 scanned Wisconsin DNR lake survey map sheet is free to view and zoom on LakeList. These historical surveys are not for navigation.
Where does the Copper Lake depth map come from?
The map sheets are converted from official Wisconsin DNR lake survey documents, with the source URL, checksum, and retrieval date retained for every sheet. Historical surveys are not for navigation.
Trust and freshness
Where this lake data comes from
Wisconsin DNR Lake Mapsname, coordinates, county, source identifiers
LakeList record updated 2026-07-14