Peters Lake
Walworth County, Wisconsin58 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Peters Lake. Here is what has been measured.
- 8 ft max depth
- Limited data
Peters Lake in Walworth County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 5.6 ft visibility. Phosphorus: 19.6 µg/L. Maximum depth: 8 ft. Surface area: 58 acres.
Wisconsin DNR lists Panfish as present on Peters Lake. DNR survey details →
Peters Lake is a 58-acre lake in Walworth County, Wisconsin with a maximum depth of 8 feet. Overall water quality is improving over recent sampling years. The lake supports 3 documented fish species including Panfish, Largemouth Bass, and Northern Pike.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2022-09-06. Methodology: how these readings are compared.
What Peters Lake is good for
From access and monitoring records, not editorial picks.
- Fishing3 species recorded
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Peters 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.
Water quality measurements for Peters Lake
These are the measurements Wisconsin DNR publishes for Peters Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 5.6 ft. Phosphorus 19.6 µg/L. TSI 50.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 5.6ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 19.6µg/L | Measured, 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. | 50 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Peters Lake
Answers come straight from the public measurements and survey records on this page.
Wisconsin DNR lists Panfish as present on Peters Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Peters Lake’s water-quality measurements separately, and the water-quality trend over 2 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 2022).
Fish Species (DNR-rated)
Lake Details
Max depth
8 ft
Surface area
58 acres
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Fish Species
Click a species to see every lake where it is documented.
Fishing Peters 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.
Water quality readings over time
2 seasons of samples on record (2022–2025). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Improving2 years
Nearby Lakes in Walworth County
Frequently asked questions about Peters Lake
Where is Peters Lake?
- Peters Lake is a lake in Walworth County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Peters Lake?
- Peters Lake in Walworth County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 5.6 ft visibility. Phosphorus: 19.6 µg/L. Maximum depth: 8 ft. Surface area: 58 acres.
Is Peters Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Peters Lake?
- Peters Lake has a maximum depth of 8 feet. The lake covers 58 acres.
What fish are in Peters Lake?
- Fish species found in Peters Lake include Panfish, Largemouth Bass, Northern Pike. Peters Lake is located in Walworth County, Wisconsin.
What did the DNR fisheries survey find at Peters Lake?
- Wisconsin DNR lists Panfish as present on Peters Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Peters Lake’s water-quality measurements separately, and the water-quality trend over 2 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
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Where this data comes from
3 measurements from 1 monitoring station, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX3 samples · 2022
Analytical methods
- Phosphorus by Colorimetry
- Turbidity in Water
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