Sapokesick Lake
Menominee County, Wisconsin252 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Sapokesick Lake. Here is what has been measured.
- 2 aquatic invasives
- 35 ft max depth
- Public access
- Limited data
Sapokesick Lake in Menominee County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 7 ft visibility. Maximum depth: 35 ft. Surface area: 252 acres.
Wisconsin DNR rates Largemouth Bass and Northern Pike as abundant on Sapokesick Lake. DNR survey details →
Sapokesick Lake is a 252-acre lake in Menominee County, Wisconsin with a maximum depth of 35 feet. Overall water quality is declining over recent sampling years. The lake supports 2 documented fish species including Largemouth Bass and Northern Pike. Public access is available.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2026-06-15. Methodology: how these readings are compared.
What Sapokesick Lake is good for
From access and monitoring records, not editorial picks.
- Deep water35 ft surveyed max depth
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Sapokesick 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 Sapokesick Lake
These are the measurements Wisconsin DNR publishes for Sapokesick Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Moderate clarity, visible to about 7 ft. TSI 49.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 7ft | 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. | 49 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Sapokesick Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Sapokesick Lake typically sits around 55°F at the surface in October. Summer average is about 74°F. Usually warmest in Jul (about 77°F) and coldest in Feb (about 38°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (38°F) to its warmest (77°F).
Typical surface water temperature by month, from 162 field readings (2024–2026) via the EPA Water Quality Portal. See the full Sapokesick Lake water temperature breakdown →
Wisconsin DNR rates Largemouth Bass and Northern Pike as abundant on Sapokesick Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Sapokesick Lake’s water-quality measurements separately, and the water-quality trend over 7 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. Monitored by volunteers since 2002. 7 stations on file (most recent sample 2025).
Fish Species (DNR-rated)
Lake Details
Max depth
35 ft
Surface area
252 acres
Public access
Yes
Listed by Wisconsin DNR
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Stays near Sapokesick Lake
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Fish Species
Click a species to see every lake where it is documented.
Fishing Sapokesick 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: Worsening
Based on 7 years of monitoring (2020–2026).
Water clarity
Worsening7 years
Phosphorus
Worsening+1.07 µg/L/yr7 years
Nearby Lakes in Menominee County
Frequently asked questions about Sapokesick Lake
Where is Sapokesick Lake?
- Sapokesick Lake is a lake in Menominee County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Sapokesick Lake?
- Sapokesick Lake in Menominee County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 7 ft visibility. Maximum depth: 35 ft. Surface area: 252 acres.
Is Sapokesick Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
What is the water temperature of Sapokesick Lake?
- Sapokesick Lake typically sits around 55°F at the surface in October, from 162 EPA Water Quality Portal field readings (2024–2026). That is a typical value for the month, not a live reading.
How deep is Sapokesick Lake?
- Sapokesick Lake has a maximum depth of 35 feet. The lake covers 252 acres.
What fish are in Sapokesick Lake?
- Fish species found in Sapokesick Lake include Largemouth Bass, Northern Pike. Sapokesick Lake is located in Menominee County, Wisconsin.
What did the DNR fisheries survey find at Sapokesick Lake?
- Wisconsin DNR rates Largemouth Bass and Northern Pike as abundant on Sapokesick Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Sapokesick Lake’s water-quality measurements separately, and the water-quality trend over 7 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.
Can I fish at Sapokesick Lake?
- Public access to Sapokesick Lake is listed as yes on the lake record. 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
65 measurements from 3 monitoring stations, 2021–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX65 samples · 2021–2026
Monitoring station identifiers (3)
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