Peterson Lake
Oconto County, Wisconsin9 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Peterson Lake. Here is what has been measured.
- Eutrophic
- 56 ft max depth
- Limited data
Peterson Lake in Oconto County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 3.5 ft visibility. Phosphorus: 129.5 µg/L. Maximum depth: 56 ft. Surface area: 9 acres.
Wisconsin DNR lists Panfish as common on Peterson Lake. DNR survey details →
Peterson Lake is a 9-acre productive, nutrient-rich eutrophic lake in Oconto County, Wisconsin with a maximum depth of 56 feet. The lake supports 1 documented fish species including Panfish. Compared to the 38 other monitored lakes in Oconto County, Peterson Lake ranks #37 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2020-09-23. Methodology: how these readings are compared.
What Peterson Lake is good for
From access and monitoring records, not editorial picks.
- Deep water56 ft surveyed max depth
Swimming conditions
Readings onlyLimited data
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Peterson 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 Peterson Lake
These are the measurements Wisconsin DNR publishes for Peterson 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 3.5 ft. Phosphorus 129.5 µg/L. TSI 67.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3.5ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 130µg/L | Poor GoodFairPoor |
| 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. | 67 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Peterson Lake
Answers come straight from the public measurements and survey records on this page.
Wisconsin DNR lists Panfish as common on Peterson Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Peterson 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. 1 station on file (most recent sample 2020).
Fish Species (DNR-rated)
Lake Details
Max depth
56 ft
Surface area
9 acres
Stays via Stay22
Stays near Peterson Lake
Compare lakeside cabins, hotels, and vacation rentals near Peterson Lake in Oconto 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. The water-quality readings cover nutrients and algae, not lodging. Cabins and rentals around Peterson Lake are listed below.
Top-rated places to stay near Peterson Lake
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Fish Species
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Fishing Peterson Lake
Nearby Lakes in Oconto County
Frequently asked questions about Peterson Lake
Where is Peterson Lake?
- Peterson Lake is a lake in Oconto County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Peterson Lake?
- Peterson Lake in Oconto County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 3.5 ft visibility. Phosphorus: 129.5 µg/L. Maximum depth: 56 ft. Surface area: 9 acres.
Is Peterson Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Peterson Lake?
- Peterson Lake has a maximum depth of 56 feet. The lake covers 9 acres.
What fish are in Peterson Lake?
- Fish species found in Peterson Lake include Panfish. Peterson Lake is located in Oconto County, Wisconsin.
What did the DNR fisheries survey find at Peterson Lake?
- Wisconsin DNR lists Panfish as common on Peterson Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Peterson Lake’s water-quality measurements separately. Catch rate is not a swim clearance and is not a weekly bite report.
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Where this data comes from
10 measurements from 1 monitoring station, 2020. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX10 samples · 2020
Analytical methods
- Phosphorus by Colorimetry
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