Pine Ridge Lake
Pine Ridge Lake in Oconto County, Wisconsin has a water quality grade of B (Good). 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 →
- Clarity
- 17 ft
- Max depth
- 30 ft
- Area
- 37 acres
- Type
- Oligotrophic
- Trend
- ↑ Improving
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Pine Ridge Lake is a 37-acre cold, clear oligotrophic lake in Oconto County, Wisconsin with a maximum depth of 30 feet. Water quality is graded B based on 1 sampling years through 2024. 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. Grade methodology: LakeQuality methodology.
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Swimming Safety
Grade onlyLimited data
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Good for swimming, clear water with low algae levels
Water Quality Grade: B (Good)
Crystal clear, you can see 17 ft down. Phosphorus level: 11 µg/L. Trophic State Index: 38.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 17 ft | Not graded |
| Phosphorus | 11 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 38 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Pine Ridge Lake
Compare lakeside cabins, hotels, and vacation rentals near Pine Ridge 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.
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Wisconsin DNR lists Panfish as common on Pine Ridge Lake.
A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Pine Ridge Lake B from EPA Water Quality Portal chemistry, 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
| Characteristic | Value |
|---|---|
| Maximum Depth | 30 ft |
| Surface Area | 37 acres |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Fish Species
Click a species to see every graded 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 data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +1.726 m/yr | 4 |
| Phosphorus | → Stable | +0.06 µg/L/yr | 6 |
County Ranking
Ranked #25 of 39 lakes in Oconto County
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. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Pine Ridge Lake?
- Pine Ridge Lake in Oconto County, Wisconsin has a water quality grade of B (Good). 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?
- Good for swimming, clear water with low algae levels. Pine Ridge Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
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 a water-quality grade. LakeQuality grades Pine Ridge Lake B from EPA Water Quality Portal chemistry, 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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Low nutrients, clear water, excellent for swimming
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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)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Lake size & watershed from HydroLAKES (HydroSHEDS)
Fish and recreation data from Wisconsin DNR Lakes