Shirley Basin Reservoir D
Carbon County, Wyoming28 acresView mapDirections
Wyoming DEQ publishes the water-quality measurements for Shirley Basin Reservoir D. Here is what has been measured.
- Limited data
Shirley Basin Reservoir D in Carbon County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Phosphorus: 80 µg/L. Surface area: 27.79 acres.
Shirley Basin Reservoir D is a 28-acre lake in Carbon County, Wyoming.
Source: EPA Water Quality Portal sampling records, Wyoming DEQ, last sampled 2014-09-08. 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 Shirley Basin Reservoir D 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 Shirley Basin Reservoir D
These are the measurements Wyoming DEQ publishes for Shirley Basin Reservoir D, 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
Ask about Shirley Basin Reservoir D
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
28 acres
No bathymetric survey has been published for Shirley Basin Reservoir D, so its depth is not documented here.
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Fishing Shirley Basin Reservoir D
Reservoir Info (USACE NID)
Shirley Basin Reservoir D is a man-made reservoir impounded by the Shirley Basin Reservoir (completed 1941), built primarily for flood risk reduction on the Tributary to Muddy Creek; gravity-type dam, 25 ft tall and 714 ft long.
- Surface area
- 27.79 ac
- Max storage
- 70.4 ac-ft
- Drainage area
- 1,706 sq mi
- Hazard class
- Low
- Owner
- DOI BLM
Source: USACE National Inventory of Dams, NID ID WY01476 · Operator website · Matched by proximity (0.15 km)
Nearby Lakes in Carbon County
Frequently asked questions about Shirley Basin Reservoir D
Where is Shirley Basin Reservoir D?
- Shirley Basin Reservoir D is a lake in Carbon County, Wyoming. Its water-quality measurements are published by Wyoming DEQ and shown on this page as reported.
What is the water quality of Shirley Basin Reservoir D?
- Shirley Basin Reservoir D in Carbon County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Phosphorus: 80 µg/L. Surface area: 27.79 acres.
Is Shirley Basin Reservoir D 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, 2014. 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 · 2014
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.