Pine Ridge Lake
Oconto County, Wisconsin37 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Pine Ridge Lake. Here is what has been measured.
- Oligotrophic
- 30 ft max depth
- Limited data
Pine Ridge Lake in Oconto County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 17 ft visibility. Phosphorus: 11 µg/L. Maximum depth: 30 ft. Surface area: 37 acres.
Wisconsin DNR lists Panfish as common on Pine Ridge Lake. DNR survey details →
Pine Ridge Lake is a 37-acre cold, clear oligotrophic lake in Oconto County, Wisconsin with a maximum depth of 30 feet. Overall water quality is improving over recent sampling years. The lake supports 2 documented fish species including Panfish and Largemouth Bass. Compared to the 38 other monitored lakes in Oconto County, Pine Ridge Lake ranks #25 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2024-04-18. Methodology: how these readings are compared.
What Pine Ridge Lake is good for
From access and monitoring records, not editorial picks.
- Clear water17 ft of visibility
- Deep water30 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 Pine Ridge 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 Pine Ridge Lake
These are the measurements Wisconsin DNR publishes for Pine Ridge Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Crystal clear, you can see 17 ft down. Phosphorus 11 µg/L. TSI 38.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 17ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 11µg/L | Good 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. | 38 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Pine Ridge Lake
Answers come straight from the public measurements and survey records on this page.
Wisconsin DNR lists Panfish as common on Pine Ridge Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Pine Ridge Lake’s water-quality measurements separately, and the water-quality trend over 7 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 2024).
Fish Species (DNR-rated)
Lake Details
Max depth
30 ft
Surface area
37 acres
Lake Size & Watershed
Watershed (drainage) area
2 sq mi
HydroLAKES / HydroSHEDS
Shoreline
1.1 mi
HydroLAKES / HydroSHEDS
Elevation
1,191 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Stays via Stay22
Stays near Pine Ridge Lake
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Fish Species
Click a species to see every lake where it is documented.
Fishing Pine Ridge 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 Trend: Improving
Based on 7 years of monitoring (2020–2026).
Water clarity
Improving4 years
Phosphorus
Stable+0.06 µg/L/yr6 years
Nearby Lakes in Oconto County
Frequently asked questions about Pine Ridge Lake
Where is Pine Ridge Lake?
- Pine Ridge 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 Pine Ridge Lake?
- Pine Ridge Lake in Oconto County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 17 ft visibility. Phosphorus: 11 µg/L. Maximum depth: 30 ft. Surface area: 37 acres.
Is Pine Ridge Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Pine Ridge Lake?
- Pine Ridge Lake has a maximum depth of 30 feet. The lake covers 37 acres.
What fish are in Pine Ridge Lake?
- Fish species found in Pine Ridge Lake include Panfish, Largemouth Bass. Pine Ridge Lake is located in Oconto County, Wisconsin.
What did the DNR fisheries survey find at Pine Ridge Lake?
- Wisconsin DNR lists Panfish as common on Pine Ridge Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Pine Ridge Lake’s water-quality measurements separately, and the water-quality trend over 7 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
Explore Pine Ridge Lake across LakeQuality
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Where this data comes from
15 measurements from 1 monitoring station, 2020–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX15 samples · 2020–2024
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
Lake size & watershed from HydroLAKES (HydroSHEDS)
Fish and recreation data from Wisconsin DNR Lakes