Lake Toc-O-Leen
Lake Toc-O-Leen in Stone County, Mississippi has a water quality grade of B (Good). Water clarity: 4.8 ft visibility. Phosphorus: 40 µg/L. Chlorophyll-a (algae): 11.7 µg/L.
- Clarity
- 4.8 ft
- Type
- Eutrophic
Lake Toc-O-Leen is a productive, nutrient-rich eutrophic lake in Stone County, Mississippi. Water quality is graded B based on 1 sampling years through 2022. Compared to the 1 other monitored lakes in Stone County, Lake Toc-O-Leen ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2022-11-22. Grade methodology: LakeGrade methodology.
Watch Lake Toc-O-Leen water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
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.
Good for swimming, clear water with low algae levels
Water Quality Grade: B (Good)
Murky, only visible to about 4.8 ft. Phosphorus level: 40 µg/L. Chlorophyll-a: 11.7 µg/L. Trophic State Index: 56.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.8 ft | Not graded |
| Phosphorus | 40 µg/L | Good |
| Chlorophyll-a (Algae) | 11.7 µg/L | Not graded |
| Trophic State Index (TSI) | 56 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Lake Toc-O-Leen
Compare lakeside cabins, hotels, and vacation rentals near Lake Toc-O-Leen in Stone 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.
Top-rated places to stay near Lake Toc-O-Leen
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Fishing Lake Toc-O-Leen
Reservoir Info (USACE NID)
Lake Toc-O-Leen is a man-made reservoir impounded by the Lake Toc O Leen Dam, built primarily for recreation; earth-type dam, 16 ft tall.
- Max storage
- 550 ac-ft
- Hazard class
- Low
Source: USACE National Inventory of Dams, NID ID MS02051 · Operator website
County Ranking
Ranked #1 of 2 lakes in Stone County
Nearby Lakes in Stone County
Frequently asked questions about Lake Toc-O-Leen
Where is Lake Toc-O-Leen?
- Lake Toc-O-Leen is a lake in Stone County, Mississippi. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Lake Toc-O-Leen?
- Lake Toc-O-Leen in Stone County, Mississippi has a water quality grade of B (Good). Water clarity: 4.8 ft visibility. Phosphorus: 40 µg/L. Chlorophyll-a (algae): 11.7 µg/L.
Is Lake Toc-O-Leen safe to swim in?
- Good for swimming, clear water with low algae levels. Lake Toc-O-Leen has a water quality grade of B (Good). Algae concentration (chlorophyll-a) is 11.7 µg/L. Always check local health department advisories before swimming.
Explore Lake Toc-O-Leen across LakeGrade
More Mississippi Lake Rankings
Other Grade B Lakes in Mississippi
Eutrophic Lakes in Mississippi
Where this data comes from
21 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_WQX21 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.