Lake Wilson
Ashley County, ArkansasView mapDirections
Arkansas DEQ publishes the water-quality measurements for Lake Wilson. Here is what has been measured.
- Hypereutrophic
- 27 ft max depth
- Limited data
Lake Wilson in Ashley County, Arkansas has water-quality measurements published by Arkansas DEQ, shown here as reported. Phosphorus: 200 µg/L. Chlorophyll-a (algae): 47.9 µg/L.
Lake Wilson is a highly nutrient-loaded hypereutrophic lake in Ashley County, Arkansas with an estimated average depth of about 27 feet. Overall water quality is improving over recent sampling years. Compared to the 2 other monitored lakes in Ashley County, Lake Wilson ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, ADEQ, last sampled 2025-08-26. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLimited data
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Lake Wilson is safe to swim in today is a call for the Arkansas Division of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lake Wilson
These are the measurements Arkansas DEQ publishes for Lake Wilson, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 200 µg/L. Chlorophyll-a 47.9 µg/L. TSI 75.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 200µg/L | Poor GoodFairPoor |
| Chlorophyll-a (algae) | 47.9µg/L | Poor GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 75 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
Ask about Lake Wilson
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~27 ft est.
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Arkansas has not published bathymetry for Lake Wilson.
Lake Size & Watershed
Watershed (drainage) area
3 sq mi
HydroLAKES / HydroSHEDS
Surface area
69 acres
HydroLAKES / HydroSHEDS
Shoreline
2.6 mi
HydroLAKES / HydroSHEDS
Elevation
128 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Stays via Stay22
Stays near Lake Wilson
Compare lakeside cabins, hotels, and vacation rentals near Lake Wilson in Ashley County, Arkansas — 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. The water-quality readings cover nutrients and algae, not lodging. Cabins and rentals around Lake Wilson are listed below.
Top-rated places to stay near Lake Wilson
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Fishing Lake Wilson
Water quality readings over time
3 seasons of samples on record (2023–2025). Calling a direction takes at least 4 years of the same measurement.
Phosphorus
Improving-70 µg/L/yr2 years
Chlorophyll-a
Improving-64.25 µg/L/yr3 years
Nearby Lakes in Ashley County
Frequently asked questions about Lake Wilson
Where is Lake Wilson?
- Lake Wilson is a lake in Ashley County, Arkansas. Its water-quality measurements are published by Arkansas DEQ and shown on this page as reported.
What is the water quality of Lake Wilson?
- Lake Wilson in Ashley County, Arkansas has water-quality measurements published by Arkansas DEQ, shown here as reported. Phosphorus: 200 µg/L. Chlorophyll-a (algae): 47.9 µg/L.
Is Lake Wilson safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Lake Wilson?
- No published bathymetric survey covers Lake Wilson, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 27 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.
Explore Lake Wilson across LakeQuality
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Other Lakes in Arkansas
Hypereutrophic Lakes in Arkansas
Where this data comes from
31 measurements from 1 monitoring station, 2023–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Arkansas Department of Environmental Quality
ARDEQH2O_WQX31 samples · 2023–2025
Analytical methods
- 4500 P J ~ Persulfate Method for Simultaneous Determination of Total Nitrogen and Total Phosphorus
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
- Turbidity by Nephelometry
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
Lake size & watershed from HydroLAKES (HydroSHEDS)