Upper Brooks Lake Pelagic
Fremont County, WyomingView mapDirections
Wyoming DEQ publishes the water-quality measurements for Upper Brooks Lake Pelagic. Here is what has been measured.
- Limited data
Upper Brooks Lake Pelagic in Fremont County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Phosphorus: 80 µg/L.
Upper Brooks Lake Pelagic is a lake in Fremont County, Wyoming.
Source: EPA Water Quality Portal sampling records, Wyoming DEQ, last sampled 2012-09-12. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Upper Brooks Lake Pelagic 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 Upper Brooks Lake Pelagic
These are the measurements Wyoming DEQ publishes for Upper Brooks Lake Pelagic, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 80 µg/L. TSI 67.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 80µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| 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. | 67 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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Frequently asked questions about Upper Brooks Lake Pelagic
Where is Upper Brooks Lake Pelagic?
- Upper Brooks Lake Pelagic is a lake in Fremont County, Wyoming. Its water-quality measurements are published by Wyoming DEQ and shown on this page as reported.
What is the water quality of Upper Brooks Lake Pelagic?
- Upper Brooks Lake Pelagic in Fremont County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Phosphorus: 80 µg/L.
Is Upper Brooks Lake Pelagic safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Upper Brooks Lake Pelagic across LakeQuality
Planning a trip around Grand Teton?
Upper Brooks Lake Pelagic is about 35 miles from Grand Teton National Park. Crowds there swing hard by season, so the month you pick changes both how busy the park is and what lodging costs.
Best time to visit Grand Teton →More lakes in Wyoming
Other Lakes in Wyoming
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Where this data comes from
3 measurements from 1 monitoring station, 2012. 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_WATERSHED3 samples · 2012
Analytical methods
- 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.