Enterprise Lake
Enterprise Lake in Langlade County, Wisconsin has a water quality grade of C (Fair). Water clarity: 4.5 ft visibility. Phosphorus: 24.9 µg/L. Maximum depth: 27 ft. Surface area: 509 acres.
- Clarity
- 4.5 ft
- Max depth
- 27 ft
- Area
- 509 acres
- Type
- Eutrophic
- Trend
- → Stable
- Public access
- Yes
Next lake in Langlade County
Enterprise Lake is a 509-acre productive, nutrient-rich eutrophic lake in Langlade County, Wisconsin with a maximum depth of 27 feet. Water quality is graded C based on 1 sampling years through 2026. The lake supports 6 documented fish species including Musky, Panfish, and Largemouth Bass. Public access is available with 3 public boat landings. Compared to the 10 other monitored lakes in Langlade County, Enterprise Lake ranks #10 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2026-06-21. Grade methodology: LakeGrade methodology.
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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 4.5 ft. Phosphorus level: 24.9 µg/L. Trophic State Index: 53.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.5 ft | Not graded |
| Phosphorus | 24.9 µg/L | Fair |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 53 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Enterprise Lake
Compare lakeside cabins, hotels, and vacation rentals near Enterprise Lake in Langlade 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.
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Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 27 ft |
| Surface Area | 509 acres |
| Public Access | Yes |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Otter Lake ParkPublic
- Mocassin LakePublic
- Enterprise Lake - Schuette LanePublic
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Enterprise 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.
WI DNR Lake Profile
Authoritative data from the Wisconsin DNR LakePages. Monitored by volunteers since 1986. 1 station on file (most recent sample 2025).
Fish Species (DNR-rated)
Water Quality Trend: → Stable
Based on 7 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | → Stable | -0.033 m/yr | 6 |
| Phosphorus | → Stable | +0.27 µg/L/yr | 7 |
EPA Impairment Status
Enterprise Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit WI10007042 · Official waterbody report
County Ranking
Ranked #10 of 11 lakes in Langlade County
Nearby Lakes in Langlade County
Frequently asked questions about Enterprise Lake
What is the water quality grade for Enterprise Lake?
- Enterprise Lake in Langlade County, Wisconsin has a water quality grade of C (Fair). Water clarity: 4.5 ft visibility. Phosphorus: 24.9 µg/L. Maximum depth: 27 ft. Surface area: 509 acres.
Is Enterprise Lake safe to swim in?
- Generally safe for swimming, moderate water quality. Enterprise Lake has a water quality grade of C (Fair). Always check local health department advisories before swimming.
How deep is Enterprise Lake?
- Enterprise Lake has a maximum depth of 27 feet. The lake covers 509 acres.
What fish are in Enterprise Lake?
- Fish species found in Enterprise Lake include Musky, Panfish, Largemouth Bass, Smallmouth Bass, Northern Pike, Walleye. Enterprise Lake is located in Langlade County, Wisconsin.
Are there boat ramps on Enterprise Lake?
- Enterprise Lake has 3 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Otter Lake Park, Mocassin Lake, Enterprise Lake - Schuette Lane. Public access is listed as yes.
Explore Enterprise Lake across LakeGrade
Depth, room, public access, and the state wake-sport rules
Fish species and top-graded lakes across Wisconsin
Fish species and best lakes in Langlade County
Species activity outlook by water temperature and season
Where to stay at Wisconsin's top lakes, each with its grade
Lakes in the Wolf River Watershed, ranked by water quality
High nutrients, frequent algae, reduced clarity
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More Wisconsin Lake Rankings
Other Grade C Lakes in Wisconsin
Eutrophic Lakes in Wisconsin
Compare Enterprise Lake With Nearby Lakes
Where this data comes from
44 measurements from 1 monitoring station, 2020–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX44 samples · 2020–2026
Analytical methods
- Phosphorus by Colorimetry
Monitoring station identifiers (1)
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
Impairment status from EPA ATTAINS 303(d) database
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