Lake Nokomis
Oneida County, Wisconsin2,274 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Lake Nokomis. Here is what has been measured.
- Eutrophic
- 3 aquatic invasives
- 33 ft max depth
- Public access
Lake Nokomis in Oneida County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 4.3 ft visibility. Phosphorus: 36.2 µg/L. Maximum depth: 33 ft. Surface area: 2274 acres.
Wisconsin DNR lists Panfish as common on Lake Nokomis. DNR survey details →
Lake Nokomis is a 2,274-acre productive, nutrient-rich eutrophic lake in Oneida County, Wisconsin with a maximum depth of 33 feet. Overall water quality is declining 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, Lake Nokomis ranks #56 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2022-10-26. Methodology: how these readings are compared.
Lake Nokomis covers about 2,300 acres in Oneida County. It has one public boat landing. For a place on the water, look through cabin and lake-house rentals near Lake Nokomis on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.
What Lake Nokomis is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Fishing6 species recorded
- Deep water33 ft surveyed max depth
- Big water2,274 acres
Swimming conditions
Readings onlyModerate algae
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 Lake Nokomis 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 Lake Nokomis
These are the measurements Wisconsin DNR publishes for Lake Nokomis, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 4.3 ft. Phosphorus 36.2 µg/L. TSI 56.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 4.3ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 36.2µg/L | Fair 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. | 56 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Lake Nokomis
Answers come straight from the public measurements and survey records on this page.
Blue-Green Algae (Cyanobacteria)
There’s no recent EPA CyAN cyanobacteria estimate for Lake Nokomis — clouds, ice, or an off-season gap in coverage. The most recent reading was high (100,000 cells/mL) on May 30, 2026.
Blue-green algae can appear and clear within days, so check your state’s current advisory before swimming. EPA CyAN ↗
Wisconsin DNR lists Panfish as common on Lake Nokomis.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Lake Nokomis’s water-quality measurements separately, and the water-quality trend over 3 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. 13 stations on file (most recent sample 2025).
Fish Species (DNR-rated)
Lake Details
Max depth
33 ft
Surface area
2,274 acres
Public access
Yes
Listed by Wisconsin DNR
Recreation & Access
- Lake Nokomis - 2Semi-private
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Lake Nokomis
Compare lakeside cabins, hotels, and vacation rentals near Lake Nokomis 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 Lake Nokomis
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Follow Lake Nokomis’s readings
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Fish Species
Click a species to see every lake where it is documented.
Fishing Lake Nokomis
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 readings over time
3 seasons of samples on record (2020–2022). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Worsening3 years
Phosphorus
Stable+0.25 µg/L/yr3 years
Nearby Lakes in Oneida County
Frequently asked questions about Lake Nokomis
Where is Lake Nokomis?
- Lake Nokomis is a lake in Oneida County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Lake Nokomis?
- Lake Nokomis in Oneida County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 4.3 ft visibility. Phosphorus: 36.2 µg/L. Maximum depth: 33 ft. Surface area: 2274 acres.
Is Lake Nokomis safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Lake Nokomis?
- Lake Nokomis has a maximum depth of 33 feet. The lake covers 2274 acres.
What fish are in Lake Nokomis?
- Fish species found in Lake Nokomis include Musky, Panfish, Largemouth Bass, Smallmouth Bass, Northern Pike, Walleye. Lake Nokomis is located in Oneida County, Wisconsin.
What did the DNR fisheries survey find at Lake Nokomis?
- Wisconsin DNR lists Panfish as common on Lake Nokomis. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Lake Nokomis’s water-quality measurements separately, and the water-quality trend over 3 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.
Does Lake Nokomis have blue-green algae?
- There is no recent EPA CyAN cyanobacteria estimate for Lake Nokomis (clouds, ice, or an off-season gap). The most recent reading was high (100,000 cells/mL). Blue-green algae can appear and clear within days, so check Wisconsin's current advisory before swimming.
Are there boat ramps on Lake Nokomis?
- Lake Nokomis has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lake Nokomis - 2. Public access is listed as yes.
Can I fish at Lake Nokomis?
- Lake Nokomis has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Wisconsin's fish and wildlife agency, so check its current regulations before you go.
Explore Lake Nokomis across LakeQuality
Depth, room, public access, and the state wake-sport rules
Fish species and the cleanest lakes across Wisconsin
Fish species and best lakes in Oneida County
Species activity outlook by water temperature and season
Top lakes and where to stay in the Northwoods Wisconsin area
Top lakes and where to stay in the Minocqua Chain area
Where to stay at Wisconsin's top lakes, each with its readings
Lakes in the Wisconsin River Watershed, ranked by water quality
Wisconsin's cleanest lakes, ranked on agency measurements
More lakes in Wisconsin
Other Lakes in Wisconsin
Eutrophic Lakes in Wisconsin
Compare Lake Nokomis With Nearby Lakes
Where this data comes from
45 measurements from 4 monitoring stations, 2020–2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX45 samples · 2020–2022
Analytical methods
- Phosphorus by Colorimetry
Monitoring station identifiers (4)
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
Fish and recreation data from Wisconsin DNR Lakes
Named boat-access points from the USGS National Boat Ramps inventory