Mead Lake Nb Test Site
Clark County, Wisconsin310 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Mead Lake Nb Test Site. Here is what has been measured.
- Impaired · Nutrients (phosphorus, nitrogen)
- 2 aquatic invasives
- 16 ft max depth
- Public access
- Limited data
Mead Lake Nb Test Site in Clark County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 2 ft visibility. Maximum depth: 16 ft. Surface area: 310 acres.
Wisconsin DNR rates Largemouth Bass as abundant on Mead Lake Nb Test Site. DNR survey details →
Mead Lake Nb Test Site is a 310-acre lake in Clark County, Wisconsin with a maximum depth of 16 feet. 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.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-09-28. Methodology: how these readings are compared.
Mead Lake Nb Test Site covers about 310 acres in Clark County. For a place on the water, look through cabin and lake-house rentals near Mead Lake Nb Test Site on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.
What Mead Lake Nb Test Site is good for
From access and monitoring records, not editorial picks.
- Fishing5 species recorded
Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. Mead Lake Nb Test Site is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen), turbidity. Check local advisories before you swim.
Whether Mead Lake Nb Test Site 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 Mead Lake Nb Test Site
These are the measurements Wisconsin DNR publishes for Mead Lake Nb Test Site, 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 ft of visibility. TSI 67.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2ft | 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. | 67 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Mead Lake Nb Test Site
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Mead Lake Nb Test Site typically sits around 61°F at the surface in September. Summer average is about 72°F. Usually warmest in Jul (about 76°F) and coldest in Sep (about 61°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (61°F) to its warmest (76°F).
Typical surface water temperature by month, from 12 field readings (2025–2025) via the EPA Water Quality Portal. See the full Mead Lake Nb Test Site water temperature breakdown →
Wisconsin DNR rates Largemouth Bass as abundant on Mead Lake Nb Test Site.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Mead Lake Nb Test Site’s water-quality measurements separately, and the water-quality trend over 5 years of monitoring is stable. 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 1996. 6 stations on file (most recent sample 2025).
Fish Species (DNR-rated)
Lake Details
Max depth
16 ft
Surface area
310 acres
Public access
Yes
Listed by Wisconsin DNR
Stays via Stay22
Stays near Mead Lake Nb Test Site
Compare lakeside cabins, hotels, and vacation rentals near Mead Lake Nb Test Site in Clark 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.
Top-rated places to stay near Mead Lake Nb Test Site
Prices for Oct 9–11, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Wisconsin’s top lakes →
Follow Mead Lake Nb Test Site’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fish Species
Click a species to see every lake where it is documented.
Fishing Mead Lake Nb Test Site
- → Mead Lake Nb Test Site fishing: DNR survey catch rates, species & stocking
- → Mead Lake Nb Test Site fishing forecast & best times (species outlook + 14-day solunar calendar)
- → Mead Lake Nb Test Site fishing regulations (limits, seasons, special rules)
- → Is it safe to eat fish from Mead Lake Nb Test Site? (mercury & PFAS guide)
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: Stable
Based on 5 years of monitoring (2021–2025).
Water clarity
Worsening4 years
Phosphorus
Improving-36.5 µg/L/yr3 years
EPA Impairment Status
Mead Lake Nb Test Site is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Aquatic life, Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit WI10004701 · Official waterbody report
Nearby Lakes in Clark County
Frequently asked questions about Mead Lake Nb Test Site
Where is Mead Lake Nb Test Site?
- Mead Lake Nb Test Site is a lake in Clark County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Mead Lake Nb Test Site?
- Mead Lake Nb Test Site in Clark County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 2 ft visibility. Maximum depth: 16 ft. Surface area: 310 acres.
Is Mead Lake Nb Test Site safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Mead Lake Nb Test Site is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen), turbidity. Check local advisories before you swim.
What is the water temperature of Mead Lake Nb Test Site?
- Mead Lake Nb Test Site typically sits around 61°F at the surface in September, from 12 EPA Water Quality Portal field readings (2025–2025). That is a typical value for the month, not a live reading.
How deep is Mead Lake Nb Test Site?
- Mead Lake Nb Test Site has a maximum depth of 16 feet. The lake covers 310 acres.
What fish are in Mead Lake Nb Test Site?
- Fish species found in Mead Lake Nb Test Site include Musky, Panfish, Largemouth Bass, Smallmouth Bass, Walleye. Mead Lake Nb Test Site is located in Clark County, Wisconsin.
What did the DNR fisheries survey find at Mead Lake Nb Test Site?
- Wisconsin DNR rates Largemouth Bass as abundant on Mead Lake Nb Test Site. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Mead Lake Nb Test Site’s water-quality measurements separately, and the water-quality trend over 5 years of monitoring is stable. Catch rate is not a swim clearance and is not a weekly bite report.
Can I fish at Mead Lake Nb Test Site?
- Public access to Mead Lake Nb Test Site 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.
Explore Mead Lake Nb Test Site across LakeQuality
Depth, room, public access, and the state wake-sport rules
Fish species and the cleanest lakes across Wisconsin
Species activity outlook by water temperature and season
Where to stay at Wisconsin's top lakes, each with its readings
Wisconsin's cleanest lakes, ranked on agency measurements
More lakes in Wisconsin
Other Lakes in Wisconsin
Eutrophic Lakes in Wisconsin
Where this data comes from
10 measurements 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_WQX10 samples · 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
Impairment status from EPA ATTAINS 303(d) database
Fish and recreation data from Wisconsin DNR Lakes