Lower Pine Lake
Lower Pine Lake in Polk County, Wisconsin has a water quality grade of C (Fair). Water clarity: 21 ft visibility. Phosphorus: 30 µg/L. Maximum depth: 102 ft. Surface area: 96 acres.
Wisconsin DNR lists Panfish as common on Lower Pine Lake. DNR survey details →
- Clarity
- 21 ft
- Typical in August
- 76°F
- Max depth
- 102 ft
- Area
- 96 acres
- Type
- Mesotrophic
- Trend
- ↓ Declining
- Public access
- Yes
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Lower Pine Lake is a 96-acre mesotrophic lake in Polk County, Wisconsin with a maximum depth of 102 feet. Water quality is graded C based on 1 sampling years through 2025. Overall water quality is declining over recent sampling years. The lake supports 3 documented fish species including Panfish, Largemouth Bass, and Northern Pike. Public access is available with 2 public boat landings. Compared to the 54 other monitored lakes in Polk County, Lower Pine Lake ranks #39 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-09-08. 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.
Generally safe for swimming, moderate water quality
Water Quality Grade: C (Fair)
Crystal clear, you can see 21 ft down. Phosphorus level: 30 µg/L. Trophic State Index: 43.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 21 ft | Not graded |
| Phosphorus | 30 µg/L | Fair |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 43 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Lower Pine Lake
Compare lakeside cabins, hotels, and vacation rentals near Lower 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 Lower Pine Lake
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Planning a whole trip? See where to stay at Wisconsin’s top lakes →
Water Temperature
Lower Pine Lake typically sits around 76°F at the surface in August. Summer average is about 78°F. Usually warmest in Jul (about 79°F) and coldest in Sep (about 68°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 Lower Pine Lake water temperature breakdown →
Wisconsin DNR lists Panfish as common on Lower Pine Lake.
A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Lower Pine Lake C from EPA Water Quality Portal chemistry, and the water-quality trend over 2 years of monitoring is declining. 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 | 102 ft |
| Surface Area | 96 acres |
| Public Access | Yes |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Lower Pine LakePublic
- Cedar 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 Lower 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: ↓ Declining
Based on 2 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -3 m/yr | 2 |
| Phosphorus | ↓ Declining | +4.2 µg/L/yr | 2 |
Regulated Pollution Sources Nearby
1 EPA-permitted facility operate within about 5 miles of Lower Pine Lake under Clean Water Act (NPDES) discharge permits. 1 facility has a reported Clean Water Act violation in the past three years.
- Amani San Dist WwtfFarmington Tn · 3.9 mi away · NPDES WI0031861Recent violation
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
County Ranking
Ranked #39 of 55 lakes in Polk County
Nearby Lakes With Higher Grades
Lower Pine Lake holds Grade C. 3 nearby lakes hold higher nutrient-and-algae grades — useful for a swim day, not a reason to skip lodging here.
Nearby Lakes in Polk County
Frequently asked questions about Lower Pine Lake
Where is Lower Pine Lake?
- Lower Pine Lake is a lake in Polk County, Wisconsin. LakeQuality grades it C for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Lower Pine Lake?
- Lower Pine Lake in Polk County, Wisconsin has a water quality grade of C (Fair). Water clarity: 21 ft visibility. Phosphorus: 30 µg/L. Maximum depth: 102 ft. Surface area: 96 acres.
Is Lower Pine Lake safe to swim in?
- Generally safe for swimming, moderate water quality. Lower Pine Lake has a water quality grade of C (Fair). Always check local health department advisories before swimming.
What is the water temperature of Lower Pine Lake?
- Lower Pine Lake typically sits around 76°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 Lower Pine Lake?
- Lower Pine Lake has a maximum depth of 102 feet. The lake covers 96 acres.
What fish are in Lower Pine Lake?
- Fish species found in Lower Pine Lake include Panfish, Largemouth Bass, Northern Pike. Lower Pine Lake is located in Polk County, Wisconsin.
What did the DNR fisheries survey find at Lower Pine Lake?
- Wisconsin DNR lists Panfish as common on Lower Pine Lake. A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Lower Pine Lake C from EPA Water Quality Portal chemistry, and the water-quality trend over 2 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.
Are there boat ramps on Lower Pine Lake?
- Lower Pine Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Lower Pine Lake, Cedar Lake. Public access is listed as yes.
Explore Lower Pine Lake across LakeQuality
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Moderate nutrients, good water quality
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Where this data comes from
9 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_WQX9 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
Regulated discharger data from EPA ECHO (ICIS-NPDES)
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