Beaver Lake
Beaver Lake in Lamar County, Mississippi has a water quality grade of F (Algae-prone). Water clarity: 2 ft visibility. Phosphorus: 60 µg/L. Chlorophyll-a (algae): 42.2 µg/L. Surface area: 108 acres.
- Clarity
- 2 ft
- Area
- 108 acres
- Type
- Hypereutrophic
Grade F measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Beaver Lake →
Beaver Lake is a 108-acre highly nutrient-loaded hypereutrophic lake in Lamar County, Mississippi. Water quality is graded F based on 1 sampling years through 2022. Compared to the 2 other monitored lakes in Lamar County, Beaver Lake ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2022-10-18. 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.
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 2 ft of visibility. Phosphorus level: 60 µg/L. Chlorophyll-a: 42.2 µg/L. Trophic State Index: 66.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2 ft | Not graded |
| Phosphorus | 60 µg/L | Not graded |
| Chlorophyll-a (Algae) | 42.2 µg/L | Poor |
| Trophic State Index (TSI) | 66 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Beaver Lake
Compare lakeside cabins, hotels, and vacation rentals near Beaver Lake in Lamar 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 Beaver Lake are listed below.
Top-rated places to stay near Beaver Lake
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 108 acres |
No bathymetric survey has been published for Beaver Lake, so its depth is not documented here.
Fishing Beaver Lake
Reservoir Info (USACE NID)
Beaver Lake is a man-made reservoir impounded by the Beaver Lake Dam (completed 1968), built primarily for recreation on the Beaver Creek; earth-type dam, 24 ft tall and 1,150 ft long.
- Surface area
- 108 ac
- Normal storage
- 783 ac-ft
- Max storage
- 1,494 ac-ft
- Drainage area
- 7.3 sq mi
- Hazard class
- Low
- Owner
- BEAVER LAKE HOA
Source: USACE National Inventory of Dams, NID ID MS00709 · Operator website
EPA Impairment Status
Beaver Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit MS418913 · Official waterbody report
County Ranking
Ranked #3 of 3 lakes in Lamar County
Nearby Lakes in Lamar County
Frequently asked questions about Beaver Lake
Where is Beaver Lake?
- Beaver Lake is a lake in Lamar County, Mississippi. LakeQuality grades it F for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Beaver Lake?
- Beaver Lake in Lamar County, Mississippi has a water quality grade of F (Algae-prone). Water clarity: 2 ft visibility. Phosphorus: 60 µg/L. Chlorophyll-a (algae): 42.2 µg/L. Surface area: 108 acres.
Is Beaver 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. Beaver Lake has a water quality grade of F (Algae-prone). Algae concentration (chlorophyll-a) is 42.2 µg/L. Always check local health department advisories before swimming.
Explore Beaver Lake across LakeGrade
More Mississippi Lake Rankings
Other Grade F Lakes in Mississippi
Hypereutrophic Lakes in Mississippi
Where this data comes from
22 measurements from 1 monitoring station, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- MISSISSIPPI DEPARTMENT OF ENVIRONMENTAL QUALITY
21MSWQ_WQX22 samples · 2022
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
Impairment status from EPA ATTAINS 303(d) database