Deep Hole Lake
Langlade County, Wisconsin6 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Deep Hole Lake. Here is what has been measured.
- Rusty Crayfish
- 22 ft max depth
- Public access
- Limited data
Deep Hole Lake in Langlade County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 6 ft visibility. Maximum depth: 22 ft. Surface area: 6 acres.
Wisconsin DNR lists Panfish as present on Deep Hole Lake. DNR survey details →
Deep Hole Lake is a 6-acre lake in Langlade County, Wisconsin with a maximum depth of 22 feet. Overall water quality is declining over recent sampling years. The lake supports 2 documented fish species including Panfish and Largemouth Bass. Public access is available.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-06-21. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Deep Hole 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 Deep Hole Lake
These are the measurements Wisconsin DNR publishes for Deep Hole Lake, 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 6 ft. TSI 51.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 6ft | 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. | 51 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Deep Hole Lake
Answers come straight from the public measurements and survey records on this page.
Wisconsin DNR lists Panfish as present on Deep Hole Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Deep Hole 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 2015. 1 station on file (most recent sample 2025).
Fish Species (DNR-rated)
Lake Details
Max depth
22 ft
Surface area
6 acres
Public access
Yes
Listed by Wisconsin DNR
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Fish Species
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Fishing Deep Hole 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
Nearby Lakes in Langlade County
Frequently asked questions about Deep Hole Lake
Where is Deep Hole Lake?
- Deep Hole Lake is a lake in Langlade County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Deep Hole Lake?
- Deep Hole Lake in Langlade County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 6 ft visibility. Maximum depth: 22 ft. Surface area: 6 acres.
Is Deep Hole Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Deep Hole Lake?
- Deep Hole Lake has a maximum depth of 22 feet. The lake covers 6 acres.
What fish are in Deep Hole Lake?
- Fish species found in Deep Hole Lake include Panfish, Largemouth Bass. Deep Hole Lake is located in Langlade County, Wisconsin.
What did the DNR fisheries survey find at Deep Hole Lake?
- Wisconsin DNR lists Panfish as present on Deep Hole Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Deep Hole 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 Deep Hole Lake?
- Public access to Deep Hole 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
14 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX14 samples · 2020–2025
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