George Lake
George Lake in Oneida County, Wisconsin has a water quality grade of B (Good). Water clarity: 5 ft visibility. Phosphorus: 22.1 µg/L. Maximum depth: 26 ft. Surface area: 443 acres.
Wisconsin DNR rates Panfish as abundant on George Lake. DNR survey details →
- Clarity
- 5 ft
- Typical in August
- 73°F
- Max depth
- 26 ft
- Area
- 443 acres
- Type
- Eutrophic
- Trend
- ↑ Improving
- Public access
- Yes
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George Lake is a 443-acre productive, nutrient-rich eutrophic lake in Oneida County, Wisconsin with a maximum depth of 26 feet. Water quality is graded B based on 1 sampling years through 2026. Overall water quality is improving over recent sampling years. The lake supports 6 documented fish species including Musky, Panfish, and Largemouth Bass. Public access is available with 1 public boat landing. Compared to the 66 other monitored lakes in Oneida County, George Lake ranks #31 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2026-06-28. Grade methodology: LakeGrade methodology.
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Swimming Safety
Grade onlyLow algae
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)
Murky, only visible to about 5 ft. Phosphorus level: 22.1 µg/L. Trophic State Index: 51.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5 ft | Not graded |
| Phosphorus | 22.1 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 51 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near George Lake
Compare lakeside cabins, hotels, and vacation rentals near George Lake in Oneida 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 George Lake
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Planning a whole trip? See where to stay at Wisconsin’s top lakes →
Water Temperature
George Lake typically sits around 73°F at the surface in August. Summer average is about 75°F. Usually warmest in Jul (about 77°F) and coldest in May (about 52°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 12 field readings (2024–2026) via the EPA Water Quality Portal. See the full George Lake water temperature breakdown →
Wisconsin DNR rates Panfish as abundant on George Lake.
A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades George 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. Monitored by volunteers since 2003. 2 stations on file (most recent sample 2025).
Fish Species (DNR-rated)
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 26 ft |
| Surface Area | 443 acres |
| Public Access | Yes |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- George LakePublic
Named access points from the USGS National Boat Ramps inventory, snapped within 5 km. More lakes with boat ramps
Fish Species
Click a species to see every graded lake where it is documented.
Fishing George 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 | +0.165 m/yr | 7 |
| Phosphorus | ↑ Improving | -1.47 µg/L/yr | 7 |
County Ranking
Ranked #31 of 67 lakes in Oneida County
Nearby Lakes in Oneida County
Frequently asked questions about George Lake
Where is George Lake?
- George Lake is a lake in Oneida County, Wisconsin. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for George Lake?
- George Lake in Oneida County, Wisconsin has a water quality grade of B (Good). Water clarity: 5 ft visibility. Phosphorus: 22.1 µg/L. Maximum depth: 26 ft. Surface area: 443 acres.
Is George Lake safe to swim in?
- Good for swimming, clear water with low algae levels. George Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
What is the water temperature of George Lake?
- George Lake typically sits around 73°F at the surface in August, from 12 EPA Water Quality Portal field readings (2024–2026). That is a typical value for the month, not a live reading.
How deep is George Lake?
- George Lake has a maximum depth of 26 feet. The lake covers 443 acres.
What fish are in George Lake?
- Fish species found in George Lake include Musky, Panfish, Largemouth Bass, Smallmouth Bass, Northern Pike, Walleye. George Lake is located in Oneida County, Wisconsin.
What did the DNR fisheries survey find at George Lake?
- Wisconsin DNR rates Panfish as abundant on George Lake. A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades George 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.
Are there boat ramps on George Lake?
- George Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include George Lake. Public access is listed as yes.
Explore George Lake across LakeGrade
Depth, room, public access, and the state wake-sport rules
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Species activity outlook by water temperature and season
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High nutrients, frequent algae, reduced clarity
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Where this data comes from
60 measurements from 2 monitoring stations, 2020–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX60 samples · 2020–2026
Analytical methods
- Phosphorus by Colorimetry
Monitoring station identifiers (2)
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