Mavrakis Pond
Sheridan County, WyomingView mapDirections
Clarity, phosphorus, and algae sit in the clean band for this region.
↑ up from D at the last regrade
- Eutrophic
- #3 of 5 in the county
- Limited data
Mavrakis Pond in Sheridan County, Wyoming has a water quality grade of B (Good). Water clarity: 0.9 ft visibility. Phosphorus: 50 µg/L.
- Clarity
- 0.9 ft
- Type
- Eutrophic
- Phosphorus
- 50 µg/L
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Watch Mavrakis Pond’s letter
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Mavrakis Pond is a productive, nutrient-rich eutrophic lake in Sheridan County, Wyoming. Water quality is graded B based on 1 sampling years through 2019. Compared to the 4 other monitored lakes in Sheridan County, Mavrakis Pond ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, Wyoming DEQ, last sampled 2019-09-10. Grade methodology: LakeQuality methodology.
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.
The B is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Water Quality Grade: B (Good)
Very murky, less than 0.9 ft of visibility. Phosphorus 50 µg/L. TSI 69. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.9 ft | Not graded |
| Phosphorus | 50 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 69 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Fishing Mavrakis Pond
County Ranking
Ranked #3 of 5 lakes in Sheridan County
Nearby Lakes in Sheridan County
Frequently asked questions about Mavrakis Pond
Where is Mavrakis Pond?
- Mavrakis Pond is a lake in Sheridan County, Wyoming. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Mavrakis Pond?
- Mavrakis Pond in Sheridan County, Wyoming has a water quality grade of B (Good). Water clarity: 0.9 ft visibility. Phosphorus: 50 µg/L.
Is Mavrakis Pond safe to swim in?
- The B is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Explore Mavrakis Pond across LakeQuality
More Wyoming Lake Rankings
Other Grade B Lakes in Wyoming
Eutrophic Lakes in Wyoming
Where this data comes from
6 measurements from 1 monitoring station, 2019. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- State of Wyoming Department of Environmental Quality Watershed Program
WYDEQ_WATERSHED6 samples · 2019
Analytical methods
- Secchi
- Total Phosphorus After Block Digestion
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.