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Henrietta Lake

Waukesha County, Wisconsin15 acresView mapDirections

No nutrient or algae sampling on record from Wisconsin DNR for this lake.

Max depth
7 ft
Bathymetric survey
Area
15 acres
Surface area
  • Curly-Leaf Pondweed
  • 7 ft max depth
  • Public access
  • Limited data

Henrietta Lake in Waukesha County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 7 ft. Surface area: 15 acres.

Wisconsin DNR lists Panfish as common on Henrietta Lake. DNR survey details →

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Henrietta Lake is a 15-acre lake in Waukesha County, Wisconsin with a maximum depth of 7 feet. The lake supports 3 documented fish species including Panfish, Largemouth Bass, and Northern Pike. Public access is available.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2024-03-01. Methodology: how these readings are compared.

Henrietta Lake covers about 15 acres in Waukesha County. If you are planning to stay, you can search lake houses and cabins around Henrietta Lake on Vrbo, or look for a hotel room near the lake on Booking.com or Expedia.

What Henrietta Lake is good for

From access and monitoring records, not editorial picks.

  • Fishing3 species recorded

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Henrietta 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.

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Water quality measurements for Henrietta Lake

These are the measurements Wisconsin DNR publishes for Henrietta Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

No clarity data.

Ask about Henrietta Lake

Answers come straight from the public measurements and survey records on this page.

DNR fisheries survey

Wisconsin DNR lists Panfish as common on Henrietta Lake.

A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Henrietta Lake’s water-quality measurements separately. 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 2024. 1 station on file (most recent sample 2025).

Fish Species (DNR-rated)

Panfish(Common)Largemouth Bass(Present)Northern Pike(Present)

Lake Details

Max depth

7 ft

Surface area

15 acres

Public access

Yes

Listed by Wisconsin DNR

Stays via Stay22

Stays near Henrietta Lake

Compare lakeside cabins, hotels, and vacation rentals near Henrietta Lake in Waukesha County, Wisconsin — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

Top-rated places to stay near Henrietta Lake

Prices for Oct 9–11, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

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Follow Henrietta Lake’s readings

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Fish Species

Click a species to see every lake where it is documented.

Fishing Henrietta 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.

Curly-Leaf PondweedEurasian Water-Milfoil

Reservoir Info (USACE NID)

Henrietta Lake is a man-made reservoir impounded by the Waterville (completed 1962), built primarily for recreation on the SCUPPERNONG CREEK; gravity-type dam, 16 ft tall and 300 ft long.

Surface area
68 ac
Normal storage
270 ac-ft
Max storage
350 ac-ft
Drainage area
8.4 sq mi
Hazard class
Low
Owner
Mikulecky, Harvey

Source: USACE National Inventory of Dams, NID ID WI00223 · Operator website · Matched by proximity (0.59 km)

Nearby Lakes in Waukesha County

Frequently asked questions about Henrietta Lake

Where is Henrietta Lake?

Henrietta 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 Henrietta Lake?

Henrietta Lake in Waukesha County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 7 ft. Surface area: 15 acres.

Measurements on this page ↑

Is Henrietta Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

How deep is Henrietta Lake?

Henrietta Lake has a maximum depth of 7 feet. The lake covers 15 acres.

What fish are in Henrietta Lake?

Fish species found in Henrietta Lake include Panfish, Largemouth Bass, Northern Pike. Henrietta Lake is located in Waukesha County, Wisconsin.

Fish on this page ↑

What did the DNR fisheries survey find at Henrietta Lake?

Wisconsin DNR lists Panfish as common on Henrietta Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Henrietta Lake’s water-quality measurements separately. Catch rate is not a swim clearance and is not a weekly bite report.

DNR on this page ↑

Can I fish at Henrietta Lake?

Public access to Henrietta Lake is listed as yes on the lake record. 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.

State Parks Near Henrietta Lake

Where this data comes from

2 measurements from 1 monitoring station, 2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Wisconsin Department of Natural ResourcesWIDNR_WQX2 samples · 2024
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

Fish and recreation data from Wisconsin DNR Lakes