Spruce Lake
Oneida County, Wisconsin10 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Spruce Lake. Here is what has been measured.
- 15 ft max depth
- Public access
- Limited data
Spruce Lake in Oneida County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 2.5 ft visibility. Maximum depth: 15 ft. Surface area: 10 acres.
Wisconsin DNR rates Panfish as abundant on Spruce Lake. DNR survey details →
Spruce Lake is a 10-acre lake in Oneida County, Wisconsin with a maximum depth of 15 feet. The lake supports 2 documented fish species including Panfish and Largemouth Bass. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-07-02. Methodology: how these readings are compared.
What Spruce Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Spruce Lake 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 Spruce Lake
These are the measurements Wisconsin DNR publishes for Spruce Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 2.5 ft of visibility. TSI 64.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.5ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| 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. | 64 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Spruce Lake
Answers come straight from the public measurements and survey records on this page.
Wisconsin DNR rates Panfish as abundant on Spruce Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Spruce Lake’s water-quality measurements separately. 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
Max depth
15 ft
Surface area
10 acres
Public access
Yes
Listed by Wisconsin DNR
Recreation & Access
- Spruce LakePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
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Stays near Spruce Lake
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Fish Species
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Fishing Spruce Lake
Reservoir Info (USACE NID)
Spruce Lake is a man-made reservoir impounded by the Spruce Lake (completed 1967), built primarily for other; earth-type dam, 11 ft tall and 300 ft long.
- Surface area
- 30 ac
- Normal storage
- 50 ac-ft
- Max storage
- 110 ac-ft
- Drainage area
- 2 sq mi
- Hazard class
- Low
- Owner
- Oneida County
All listed purposes: Other;Fish and Wildlife Pond.
Source: USACE National Inventory of Dams, NID ID WI01050 · Operator website
Nearby Lakes in Oneida County
Frequently asked questions about Spruce Lake
Where is Spruce Lake?
- Spruce Lake 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 Spruce Lake?
- Spruce Lake in Oneida County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 2.5 ft visibility. Maximum depth: 15 ft. Surface area: 10 acres.
Is Spruce Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Spruce Lake?
- Spruce Lake has a maximum depth of 15 feet. The lake covers 10 acres.
What fish are in Spruce Lake?
- Fish species found in Spruce Lake include Panfish, Largemouth Bass. Spruce Lake is located in Oneida County, Wisconsin.
What did the DNR fisheries survey find at Spruce Lake?
- Wisconsin DNR rates Panfish as abundant on Spruce Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Spruce Lake’s water-quality measurements separately. Catch rate is not a swim clearance and is not a weekly bite report.
Are there boat ramps on Spruce Lake?
- Spruce Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Spruce Lake. Public access is listed as yes.
Can I fish at Spruce Lake?
- Spruce Lake 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.
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Where this data comes from
1 measurement from 1 monitoring station, 2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX1 sample · 2025
Monitoring station identifiers (1)
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