Wasp Lake
Wasp Lake in Humphreys County, Mississippi has a water quality grade of F (Algae-prone). Water clarity: 0.8 ft visibility. Phosphorus: 90 µg/L. Chlorophyll-a (algae): 53.8 µg/L.
- Clarity
- 0.8 ft
- Type
- Hypereutrophic
Grade F measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Wasp Lake →
Wasp Lake is a highly nutrient-loaded hypereutrophic lake in Humphreys County, Mississippi. Water quality is graded F based on 1 sampling years through 2021. Compared to the 2 other monitored lakes in Humphreys County, Wasp Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2021-10-20. Grade methodology: LakeGrade methodology.
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Swimming Safety
Grade onlyAlgae risk
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.
Algae and nutrients are often high — check current advisories before swimming. Skip the water if you see scum or a paint-like bloom
Water Quality Grade: F (Algae-prone)
Very murky, less than 0.8 ft of visibility. Phosphorus level: 90 µg/L. Chlorophyll-a: 53.8 µg/L. Trophic State Index: 73.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.8 ft | Not graded |
| Phosphorus | 90 µg/L | Not graded |
| Chlorophyll-a (Algae) | 53.8 µg/L | Poor |
| Trophic State Index (TSI) | 73 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Wasp Lake
Compare lakeside cabins, hotels, and vacation rentals near Wasp Lake in Humphreys County, Mississippi — 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 grade measures nutrients and algae, not lodging — cabins and rentals around Wasp Lake are listed below.
Top-rated places to stay near Wasp Lake
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Fishing Wasp Lake
Reservoir Info (USACE NID)
Wasp Lake is a man-made reservoir impounded by the Thornton Lake (completed 1978), built primarily for other on the Bear Creek -Os; earth-type dam, 8 ft tall and 3,200 ft long.
- Normal storage
- 90 ac-ft
- Max storage
- 90 ac-ft
- Hazard class
- Low
- Owner
- DAVIS THORNTON
Source: USACE National Inventory of Dams, NID ID MS00473 · Operator website · Matched by proximity (0.42 km)
County Ranking
Ranked #2 of 3 lakes in Humphreys County
Nearby Lakes in Humphreys County
Frequently asked questions about Wasp Lake
Where is Wasp Lake?
- Wasp Lake is a lake in Humphreys County, Mississippi. LakeQuality grades it F for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Wasp Lake?
- Wasp Lake in Humphreys County, Mississippi has a water quality grade of F (Algae-prone). Water clarity: 0.8 ft visibility. Phosphorus: 90 µg/L. Chlorophyll-a (algae): 53.8 µg/L.
Is Wasp Lake safe to swim in?
- Algae and nutrients are often high — check current advisories before swimming. Skip the water if you see scum or a paint-like bloom. Wasp Lake has a water quality grade of F (Algae-prone). Algae concentration (chlorophyll-a) is 53.8 µg/L. Always check local health department advisories before swimming.
Explore Wasp Lake across LakeGrade
More Mississippi Lake Rankings
Other Grade F Lakes in Mississippi
Hypereutrophic Lakes in Mississippi
Where this data comes from
113 measurements from 2 monitoring stations, 2020–2021. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- MISSISSIPPI DEPARTMENT OF ENVIRONMENTAL QUALITY
21MSWQ_WQX113 samples · 2020–2021
Analytical methods
- Phosphorus by Colorimetry
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
Monitoring station identifiers (2)
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.