Random Lake
Random Lake in Sheboygan County, Wisconsin has a water quality grade of B (Good). Water clarity: 4.5 ft visibility. Phosphorus: 21.8 µg/L. Maximum depth: 22.2 ft. Surface area: 212 acres.
- Clarity
- 4.5 ft
- Typical in August
- 72°F
- Max depth
- 22.2 ft
- Area
- 212 acres
- Type
- Eutrophic
- Trend
- → Stable
- Public access
- Yes
Next lake in Sheboygan County
Random Lake is a 212-acre productive, nutrient-rich eutrophic lake in Sheboygan County, Wisconsin with a maximum depth of 22 feet. Water quality is graded B based on 1 sampling years through 2026. Water clarity is declining over recent sampling years. The lake supports 5 documented fish species including Musky, Panfish, and Largemouth Bass. Public access is available with 1 public boat landing. Compared to the 5 other monitored lakes in Sheboygan County, Random Lake ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2026-06-30. Grade methodology: LakeGrade methodology.
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Swimming Safety
Grade onlyLow algae
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.
Good for swimming, clear water with low algae levels
Water Quality Grade: B (Good)
Murky, only visible to about 4.5 ft. Phosphorus level: 21.8 µg/L. Trophic State Index: 52.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.5 ft | Not graded |
| Phosphorus | 21.8 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 52 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Random Lake
Compare lakeside cabins, hotels, and vacation rentals near Random Lake in Sheboygan 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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Water Temperature
Random Lake typically sits around 72°F at the surface in August. Summer average is about 74°F. Usually warmest in Jul (about 76°F) and coldest in Feb (about 40°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 26 field readings (2024–2025) via the EPA Water Quality Portal. See the full Random Lake water temperature breakdown →
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 22.2 ft |
| Surface Area | 212 acres |
| Public Access | Yes |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Lakeview ParkPublic
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Random 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 1987. 3 stations 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 | ↓ Declining | -0.156 m/yr | 7 |
| Phosphorus | ↑ Improving | -2.15 µg/L/yr | 6 |
Regulated Pollution Sources Nearby
4 EPA-permitted facilities operate within about 5 miles of Random Lake under Clean Water Act (NPDES) discharge permits. 3 facilities have a reported Clean Water Act violation in the past three years.
- Rockland Dairy IncSherman, Town Of · 1.9 mi away · NPDES WI0061786Recent violation
- Lakeside Foods Inc Random LakeRandom Lake · 3.5 mi away · NPDES WI0032760Recent violation
- Random Lake VillageRandom Lake · 3.5 mi away · NPDES WI0021415Recent violation
- Krier Foods Inc Random LakeRandom Lake · 0.8 mi away · NPDES WI0049204
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
County Ranking
Ranked #4 of 6 lakes in Sheboygan County
Nearby Lakes in Sheboygan County
Frequently asked questions about Random Lake
What is the water quality grade for Random Lake?
- Random Lake in Sheboygan County, Wisconsin has a water quality grade of B (Good). Water clarity: 4.5 ft visibility. Phosphorus: 21.8 µg/L. Maximum depth: 22.2 ft. Surface area: 212 acres.
Is Random Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Random Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
What is the water temperature of Random Lake?
- Random Lake typically sits around 72°F at the surface in August, from 26 EPA Water Quality Portal field readings (2024–2025). That is a typical value for the month, not a live reading.
How deep is Random Lake?
- Random Lake has a maximum depth of 22.2 feet. The lake covers 212 acres.
What fish are in Random Lake?
- Fish species found in Random Lake include Musky, Panfish, Largemouth Bass, Northern Pike, Walleye. Random Lake is located in Sheboygan County, Wisconsin.
Are there boat ramps on Random Lake?
- Random Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lakeview Park. Public access is listed as yes.
Explore Random 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 Sheboygan County
Species activity outlook by water temperature and season
Where to stay at Wisconsin's top lakes, each with its grade
Lakes in the Sheboygan-Manitowoc, ranked by water quality
High nutrients, frequent algae, reduced clarity
Wisconsin's cleanest and most-polluted lakes, ranked
More Wisconsin Lake Rankings
State Parks Near Random Lake
Other Grade B Lakes in Wisconsin
Eutrophic Lakes in Wisconsin
Where this data comes from
62 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_WQX62 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
Regulated discharger data from EPA ECHO (ICIS-NPDES)
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