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LakeQuality

Lower Kelly Lake

Waukesha County, Wisconsin3 acresView mapDirections

Wisconsin DNR publishes the water-quality measurements for Lower Kelly Lake. Here is what has been measured.

Phosphorus
156 µg/L
More phosphorus than most
Measured by Wisconsin DNR
Max depth
36 ft
Bathymetric survey
Area
3 acres
Surface area
  • 36 ft max depth
  • Public access
  • Limited data

Lower Kelly Lake in Waukesha County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Phosphorus: 156 µg/L. Maximum depth: 36 ft. Surface area: 3 acres.

Wisconsin DNR rates Panfish as abundant on Lower Kelly Lake. DNR survey details →

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Lower Kelly Lake is a 3-acre lake in Waukesha County, Wisconsin with a maximum depth of 36 feet. Overall water quality is improving over recent sampling years. The lake supports 2 documented fish species including Panfish and Largemouth Bass. Public access is available.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-09-14. Methodology: how these readings are compared.

What Lower Kelly Lake is good for

From access and monitoring records, not editorial picks.

  • Deep water36 ft surveyed max depth

Swimming conditions

No reading

Limited data

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

Whether Lower Kelly 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 Lower Kelly Lake

These are the measurements Wisconsin DNR publishes for Lower Kelly 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. Phosphorus 156 µg/L. TSI 77.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)No reading

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus156µg/LMeasured, not scored

The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.

Chlorophyll-a (algae)No reading

The green pigment in algae — a direct measure of how much algae is in the water.

Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.77Hypereutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Very high nutrients, dense algae, poor clarity

Ask about Lower Kelly Lake

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

DNR fisheries survey

Wisconsin DNR rates Panfish as abundant on Lower Kelly Lake.

A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Lower Kelly Lake’s water-quality measurements separately, and the water-quality trend over 3 years of monitoring is improving. 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. 1 station on file (most recent sample 2025).

Fish Species (DNR-rated)

Panfish(Abundant)Largemouth Bass(Present)

Lake Details

Max depth

36 ft

Surface area

3 acres

Public access

Yes

Listed by Wisconsin DNR

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Stays near Lower Kelly Lake

Compare lakeside cabins, hotels, and vacation rentals near Lower Kelly 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 Lower Kelly Lake

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Fish Species

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

Fishing Lower Kelly 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.

Eurasian Water-Milfoil

2 seasons of samples on record (2020–2024). Calling a direction takes at least 4 years of the same measurement.

  • Water clarity

    Improving

    2 years

Nearby Lakes in Waukesha County

Frequently asked questions about Lower Kelly Lake

Where is Lower Kelly Lake?

Lower Kelly 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 Lower Kelly Lake?

Lower Kelly Lake in Waukesha County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Phosphorus: 156 µg/L. Maximum depth: 36 ft. Surface area: 3 acres.

Measurements on this page ↑

Is Lower Kelly 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 Lower Kelly Lake?

Lower Kelly Lake has a maximum depth of 36 feet. The lake covers 3 acres.

What fish are in Lower Kelly Lake?

Fish species found in Lower Kelly Lake include Panfish, Largemouth Bass. Lower Kelly Lake is located in Waukesha County, Wisconsin.

Fish on this page ↑

What did the DNR fisheries survey find at Lower Kelly Lake?

Wisconsin DNR rates Panfish as abundant on Lower Kelly Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Lower Kelly Lake’s water-quality measurements separately, and the water-quality trend over 3 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.

DNR on this page ↑

Can I fish at Lower Kelly Lake?

Public access to Lower Kelly 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 Lower Kelly Lake

Where this data comes from

1 measurement from 1 monitoring station, 2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Wisconsin Department of Natural ResourcesWIDNR_WQX1 sample · 2025

Analytical methods

  • Total Phosphorus After Block Digestion
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