Lake Country /  The Lakes  /  Nagawicka

Nagawicka Lake

One of Lake Country's true recreation lakes: Nagawicka runs deep and busy, with the City of Delafield along its shore.

981 ac
Surface acres
90 ft
Max depth
Drainage lake
Lake type
Source: WI DNR · WBIC 828000
Public boat access

The lake, mapped

The real Nagawicka shoreline with every public boat launch - where you get on and off the water. Sourced from the Wisconsin DNR public boat-access data and local knowledge.

Real Nagawicka shoreline with public boat launches - click a pin for details. Ramp
Boat launches & landings
Nagawicka Lake Boat LaunchRampPublic landing
Public DNR & municipal boat launches. Private residential launches are intentionally excluded.
Built from public DNR data

The Nagawicka Water Record

Clarity, trophic state, and nutrients - pulled from Wisconsin DNR lake monitoring and refreshed each open-water monitoring season (roughly May-October; quiet over winter).

Lake health grade · derived from DNR trophic-state data
B
Good & stable
5-yr avg TSI 46 · mesotrophic
Water clarity (Secchi)
14.1 ft
Deep-hole reading · moderately clear
Sep 2025
Chlorophyll-a
6.79 µg/L
Moderate late-summer rise · typical for size
Sep 2025
Phosphorus
13.1 µg/L
Mesotrophic · watch late-summer
latest available · Apr 2026
Blue-green algae

Wisconsin doesn’t routinely monitor inland lakes for blue-green algae - the state tracks blooms by report, not on a schedule, so no lake carries an official season-by-season advisory record. See a bloom? Avoid contact until it clears and report it to the DNR →

Game fish · DNR-confirmed
WalleyeNorthern PikeLargemouth BassSmallmouth BassPanfish
Invasive species present
Eurasian Water-MilfoilCurly-Leaf PondweedZebra MusselPurple LoosestrifeBanded Mystery Snail
Source: WI DNR SWIMS / Citizen Lake Monitoring Network, via the federal Water Quality Portal · refreshed through the DNR monitoring season (≈ May-Oct), not real-timeGet free water-quality alerts →
The character of the water

What it's actually like to own here

The nuance with the lake - what the bottom is like underfoot and how the weekend actually feels.

Bottom
Gravel & muck
DNR: 60% gravel, 40% muck.
Weekend traffic
Moderate/High
On-water activity on a typical summer weekend.
Community
Municipality
  • City of Delafield
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