Mavrakis Pond
Sheridan County, WyomingView mapDirections
Wyoming DEQ publishes the water-quality measurements for Mavrakis Pond. Here is what has been measured.
- Eutrophic
- Limited data
Mavrakis Pond in Sheridan County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Water clarity: 0.9 ft visibility. Phosphorus: 50 µg/L.
Mavrakis Pond is a productive, nutrient-rich eutrophic lake in Sheridan County, Wyoming. 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. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLimited data
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Mavrakis Pond is safe to swim in today is a call for the Wyoming Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Mavrakis Pond
These are the measurements Wyoming DEQ publishes for Mavrakis Pond, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 0.9 ft of visibility. Phosphorus 50 µg/L. TSI 69.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 0.9ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 50µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 69 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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Frequently asked questions about Mavrakis Pond
Where is Mavrakis Pond?
- Mavrakis Pond is a lake in Sheridan County, Wyoming. Its water-quality measurements are published by Wyoming DEQ and shown on this page as reported.
What is the water quality of Mavrakis Pond?
- Mavrakis Pond in Sheridan County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Water clarity: 0.9 ft visibility. Phosphorus: 50 µg/L.
Is Mavrakis Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Mavrakis Pond across LakeQuality
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Other Lakes in Wyoming
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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)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.