Pine Lake
Pine Lake in Polk County, Wisconsin has a water quality grade of B (Good). Water clarity: 13 ft visibility. Phosphorus: 13.5 µg/L. Maximum depth: 34 ft. Surface area: 88 acres.
Wisconsin DNR lists Panfish as present on Pine Lake. DNR survey details →
- Clarity
- 13 ft
- Typical in August
- 75°F
- Max depth
- 34 ft
- Area
- 88 acres
- Type
- Mesotrophic
- Trend
- → Stable
- Public access
- Yes
Next lake in Polk County
Swipe left or right on this bar to open the next or previous lake.
Pine Lake is a 88-acre mesotrophic lake in Polk County, Wisconsin with a maximum depth of 34 feet. Water quality is graded B based on 1 sampling years through 2025. Water clarity is improving over recent sampling years. The lake supports 3 documented fish species including Panfish, Largemouth Bass, and Northern Pike. Public access is available with 1 public boat landing. Compared to the 54 other monitored lakes in Polk County, Pine Lake ranks #16 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-09-08. Grade methodology: LakeQuality methodology.
Watch Pine Lake water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
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)
Good clarity, visible to about 13 ft. Phosphorus level: 13.5 µg/L. Trophic State Index: 41.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 13 ft | Not graded |
| Phosphorus | 13.5 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 41 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Pine Lake
Compare lakeside cabins, hotels, and vacation rentals near Pine Lake in Polk 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 Pine Lake
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Wisconsin’s top lakes →
Water Temperature
Pine Lake typically sits around 75°F at the surface in August. Summer average is about 77°F. Usually warmest in Jul (about 79°F) and coldest in Sep (about 67°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 12 field readings (2024–2025) via the EPA Water Quality Portal. See the full Pine Lake water temperature breakdown →
Wisconsin DNR lists Panfish as present on Pine Lake.
A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Pine Lake B from EPA Water Quality Portal chemistry, and the water-quality trend over 5 years of monitoring is stable. 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)
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 34 ft |
| Surface Area | 88 acres |
| Public Access | Yes |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Pine LakePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Pine 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: → Stable
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +1.187 m/yr | 5 |
| Phosphorus | ↓ Declining | +4.2 µg/L/yr | 2 |
County Ranking
Ranked #16 of 55 lakes in Polk County
Nearby Lakes in Polk County
Frequently asked questions about Pine Lake
Where is Pine Lake?
- Pine Lake is a lake in Polk 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 Lake?
- Pine Lake in Polk County, Wisconsin has a water quality grade of B (Good). Water clarity: 13 ft visibility. Phosphorus: 13.5 µg/L. Maximum depth: 34 ft. Surface area: 88 acres.
Is Pine Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Pine Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
What is the water temperature of Pine Lake?
- Pine Lake typically sits around 75°F at the surface in August, from 12 EPA Water Quality Portal field readings (2024–2025). That is a typical value for the month, not a live reading.
How deep is Pine Lake?
- Pine Lake has a maximum depth of 34 feet. The lake covers 88 acres.
What fish are in Pine Lake?
- Fish species found in Pine Lake include Panfish, Largemouth Bass, Northern Pike. Pine Lake is located in Polk County, Wisconsin.
What did the DNR fisheries survey find at Pine Lake?
- Wisconsin DNR lists Panfish as present on Pine Lake. A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Pine Lake B from EPA Water Quality Portal chemistry, and the water-quality trend over 5 years of monitoring is stable. Catch rate is not a swim clearance and is not a weekly bite report.
Are there boat ramps on Pine Lake?
- Pine Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Pine Lake. Public access is listed as yes.
Explore Pine Lake across LakeQuality
Fish species and top-graded lakes across Wisconsin
Fish species and best lakes in Polk County
Species activity outlook by water temperature and season
Where to stay at Wisconsin's top lakes, each with its grade
Lakes in the St. Croix Watershed, ranked by water quality
Moderate nutrients, good water quality
Wisconsin's cleanest and most-polluted lakes, ranked
More Wisconsin Lake Rankings
State Parks Near Pine Lake
Other Grade B Lakes in Wisconsin
Mesotrophic Lakes in Wisconsin
Where this data comes from
13 measurements from 1 monitoring station, 2024–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX13 samples · 2024–2025
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
Named boat-access points from the USGS National Boat Ramps inventory