Gelatt Lake
Albany County, Wyoming334 acresView mapDirections
Wyoming DEQ publishes the water-quality measurements for Gelatt Lake. Here is what has been measured.
- Limited data
Gelatt Lake in Albany County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Phosphorus: 30 µg/L. Surface area: 334 acres.
Gelatt Lake is a 334-acre lake in Albany County, Wyoming. Overall water quality is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, Wyoming DEQ, last sampled 2013-09-11. 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 Gelatt Lake 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 Gelatt Lake
These are the measurements Wyoming DEQ publishes for Gelatt Lake, 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 30 µg/L. TSI 53.
| 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 | 30µg/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. | 53 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Gelatt Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
334 acres
No bathymetric survey has been published for Gelatt Lake, so its depth is not documented here.
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Fishing Gelatt Lake
Water quality readings over time
2 seasons of samples on record (2013–2014). Calling a direction takes at least 4 years of the same measurement.
Phosphorus
Improving-5 µg/L/yr2 years
Reservoir Info (USACE NID)
Gelatt Lake is a man-made reservoir impounded by the Twin Buttes (completed 1972), built primarily for fish and wildlife pond on the Mortensen Draw; earth-type dam, 8 ft tall and 1,100 ft long.
- Surface area
- 334 ac
- Normal storage
- 3,912 ac-ft
- Max storage
- 6,250 ac-ft
- Hazard class
- Low
- Owner
- WYOMING GAME AND FISH COMMISSION
Source: USACE National Inventory of Dams, NID ID WY00088 · Operator website · Matched by proximity (0.97 km)
Nearby Lakes in Albany County
Frequently asked questions about Gelatt Lake
Where is Gelatt Lake?
- Gelatt Lake is a lake in Albany County, Wyoming. Its water-quality measurements are published by Wyoming DEQ and shown on this page as reported.
What is the water quality of Gelatt Lake?
- Gelatt Lake in Albany County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Phosphorus: 30 µg/L. Surface area: 334 acres.
Is Gelatt Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
3 measurements from 1 monitoring station, 2013. 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 · 2013
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.