Lake Nokomis
Lake Nokomis in Oneida County, Wisconsin has a water quality grade of C (Fair). 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 →
- Clarity
- 4.3 ft
- Max depth
- 33 ft
- Area
- 2,274 acres
- Type
- Eutrophic
- Trend
- ↓ Declining
- Public access
- Yes
Next lake in Oneida County
Swipe left or right on this bar to open the next or previous lake.
Lake Nokomis is a 2,274-acre productive, nutrient-rich eutrophic lake in Oneida County, Wisconsin with a maximum depth of 33 feet. Water quality is graded C based on 1 sampling years through 2022. 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. Grade methodology: LakeQuality methodology.
Watch Lake Nokomis water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Grade onlyModerate
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)
Murky, only visible to about 4.3 ft. Phosphorus level: 36.2 µg/L. Trophic State Index: 56.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.3 ft | Not graded |
| Phosphorus | 36.2 µg/L | Fair |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 56 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay 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
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 →
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 a water-quality grade. LakeQuality grades Lake Nokomis C from EPA Water Quality Portal chemistry, 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
| Characteristic | Value |
|---|---|
| Maximum Depth | 33 ft |
| Surface Area | 2,274 acres |
| Public Access | Yes |
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
Fish Species
Click a species to see every graded 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 Trend: ↓ Declining
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.05 m/yr | 3 |
| Phosphorus | → Stable | +0.25 µg/L/yr | 3 |
County Ranking
Ranked #56 of 67 lakes in Oneida County
Nearby Lakes With Higher Grades
Lake Nokomis holds Grade C. 3 nearby lakes hold higher nutrient-and-algae grades — useful for a swim day, not a reason to skip lodging here.
See full comparison →Nearby Lakes in Oneida County
Frequently asked questions about Lake Nokomis
Where is Lake Nokomis?
- Lake Nokomis is a lake in Oneida County, Wisconsin. LakeQuality grades it C for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Lake Nokomis?
- Lake Nokomis in Oneida County, Wisconsin has a water quality grade of C (Fair). 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?
- Generally safe for swimming, moderate water quality. Lake Nokomis has a water quality grade of C (Fair). Always check local health department advisories before swimming.
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 a water-quality grade. LakeQuality grades Lake Nokomis C from EPA Water Quality Portal chemistry, 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.
Explore Lake Nokomis across LakeQuality
Depth, room, public access, and the state wake-sport rules
Fish species and top-graded 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 grade
Lakes in the Wisconsin River Watershed, ranked by water quality
High nutrients, frequent algae, reduced clarity
Wisconsin's cleanest and most-polluted lakes, ranked
More Wisconsin Lake Rankings
Other Grade C 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)
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