Simpson Legion State Fishing Lake
Simpson Legion State Fishing Lake in Simpson County, Mississippi has a water quality grade of D (Nutrient-rich). Water clarity: 4.9 ft visibility. Phosphorus: 130 µg/L. Chlorophyll-a (algae): 23.4 µg/L. Surface area: 77 acres.
- Clarity
- 4.9 ft
- Area
- 77 acres
- Type
- Eutrophic
- Public access
- Yes
Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Simpson Legion State Fishing Lake →
Simpson Legion State Fishing Lake is a 77-acre productive, nutrient-rich eutrophic lake in Simpson County, Mississippi. Water quality is graded D based on 2 sampling years through 2025. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2025-10-28. Grade methodology: LakeGrade methodology.
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Swimming Safety
Grade onlyLimited data
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.
Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum
Water Quality Grade: D (Nutrient-rich)
Murky, only visible to about 4.9 ft. Phosphorus level: 130 µg/L. Chlorophyll-a: 23.4 µg/L. Trophic State Index: 63.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.9 ft | Not graded |
| Phosphorus | 130 µg/L | Poor |
| Chlorophyll-a (Algae) | 23.4 µg/L | Fair |
| Trophic State Index (TSI) | 63 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Simpson Legion State Fishing Lake
Compare lakeside cabins, hotels, and vacation rentals near Simpson Legion State Fishing Lake in Simpson 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 Simpson Legion State Fishing Lake are listed below.
Top-rated places to stay near Simpson Legion State Fishing Lake
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 77 acres |
| Public Access | Yes |
No bathymetric survey has been published for Simpson Legion State Fishing Lake, so its depth is not documented here.
Recreation & Access
- Simpson County LakePublic
Named access points from the USGS National Boat Ramps inventory, snapped within 5 km. More lakes with boat ramps
Fishing Simpson Legion State Fishing Lake
Reservoir Info (USACE NID)
Simpson Legion State Fishing Lake is a man-made reservoir impounded by the Simpson Legion Lake Dam (completed 1950), built primarily for recreation on the Sellers Creek; earth-type dam, 30 ft tall and 1,100 ft long.
- Surface area
- 77 ac
- Normal storage
- 847 ac-ft
- Max storage
- 1,672 ac-ft
- Drainage area
- 4.18 sq mi
- Hazard class
- High
- Owner
- MISSISSIPPI DEPARTMENT OF WILDLIFE FISHERIES AND PARKS
Source: USACE National Inventory of Dams, NID ID MS00123 · Operator website · Matched by proximity (0.07 km)
County Ranking
Ranked #1 of 1 lakes in Simpson County
Nearby Lakes in Simpson County
Frequently asked questions about Simpson Legion State Fishing Lake
Where is Simpson Legion State Fishing Lake?
- Simpson Legion State Fishing Lake is a lake in Simpson County, Mississippi. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Simpson Legion State Fishing Lake?
- Simpson Legion State Fishing Lake in Simpson County, Mississippi has a water quality grade of D (Nutrient-rich). Water clarity: 4.9 ft visibility. Phosphorus: 130 µg/L. Chlorophyll-a (algae): 23.4 µg/L. Surface area: 77 acres.
Is Simpson Legion State Fishing Lake safe to swim in?
- Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum. Simpson Legion State Fishing Lake has a water quality grade of D (Nutrient-rich). Algae concentration (chlorophyll-a) is 23.4 µg/L. Always check local health department advisories before swimming.
Are there boat ramps on Simpson Legion State Fishing Lake?
- Simpson Legion State Fishing Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Simpson County Lake. Public access is listed as yes.
Explore Simpson Legion State Fishing Lake across LakeGrade
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Other Grade D Lakes in Mississippi
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Where this data comes from
28 measurements from 1 monitoring station, 2025. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- MISSISSIPPI DEPARTMENT OF ENVIRONMENTAL QUALITY
21MSWQ_WQX28 samples · 2025
Analytical methods
- Phosphorus by Colorimetry
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
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
Named boat-access points from the USGS National Boat Ramps inventory