Beaver Lake (Waukesha County)

Waterbody ID (WBIC): 774400 — permanent page /lakes/774400/.

Beaver Lake is in Waukesha County; records show 313 acres and 1 DNR access-site record.

Size

313 acres

Lake type

SPRING

Max depth

46 ft

Mean depth

15 ft

• 1 documented public access site record (DNR access inventory)
• 3 fish species/groups with abundance categories (DNR lake page)
• Fish stocking documented through 2021 (DNR stocking records)
• Satellite clarity estimate 12.89 ft (2017)
• Official DNR depth map available (PDF)

Back to results Show on map Choose access / Directions Depth map (PDF) Check current DNR regulations

Plan your visit

• Lake directory: public landing — Yes
• Lake directory: public beach — No
• Lake directory: public park — No
• DNR public-access inventory: 1 documented access site record
• DNR public-access inventory: documented carry-in access
• 1 site qualify for per-site Directions through the reviewed lake association (load the site details below)

Each statement is bounded to its named source; absence of a record is never evidence of no access. The DNR access database may lag reality; posted signs at the landing are authoritative.

Verify at the DNR public boat access program page.

Fishing

The DNR lake page publishes 3 fish species/groups with abundance categories — categories are source labels, never a population count.

DNR fish labels: Panfish—Common; Largemouth Bass—Present; Northern Pike—Present; not population counts.

Stocking records: 3 documented events through 2021, 5,000 fish total. Species: Walleye (Occasional). Events in 2015 or later count as recent.

No fisheries survey population estimate is published for this lake in the covered report families.

Fishing limits — 2026-2027 season: 17 normalized rows across 17 species entries. Normalized from the DNR ruleset retrieved 2026-08-04. Source text remains authoritative.

2026-2027 retained fishing rules: 17 published rows for 17 species; effective through 2027-03-07. Check current DNR rules.

Water and setting

• Satellite clarity estimate: 12.89 ft (2017) — a remote-sensing estimate, kept separate from field measurements

Official DNR depth map (PDF) — Historical lake map; not for navigation. Link checked 2026-07-16.

• AIS record: Eurasian watermilfoil — Verified (vouchered), latest documented 1995-06-01
• AIS record: Rusty crayfish — Verified, latest documented 1987-08-13
• AIS record: Tall manna grass — Verified, latest documented 2018-11-25
• AIS record: Zebra mussel — Verified, latest documented 2005-01-01

Occurrence records come from a non-exhaustive DNR inventory; a record documents presence at observation time and a missing record is never evidence of absence.

• Public-land proximity (GIS proxy, not access evidence): mapped public land within 1,000 ft; nearest: Statewide Public Access (Wisconsin Department of Natural Resources); ≈1.7% of shoreline buffer
• Shoreline development (landcover proxy, 2025 source): ≈45% developed land within 300 m, ≈8.7% impervious
• Road proximity (TIGER proxy, 2025 source): nearest local road or city street ≈19 m; ≈4.7 km of road per km² within 1 km

Data & sources

Published data families

• Fish species and abundance (DNR lake pages)
• Fish stocking history
• Fishing regulations (normalized snapshot)
• Directory access facts (landing, beach, park)
• Public access site inventory
• Satellite water clarity estimate
• Aquatic invasive species occurrences

Original records: Wisconsin DNR lake page.

Missing values are unpublished, never zero; each fact above is bounded to its named source and date. Full sourcing detail: Data & methods.