Beck Lake D
Park County, Wyoming110 acresView mapDirections
Wyoming DEQ publishes the water-quality measurements for Beck Lake D. Here is what has been measured.
- Limited data
Beck Lake D in Park County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Phosphorus: 90 µg/L. Surface area: 110 acres.
Beck Lake D is a 110-acre lake in Park County, Wyoming. Overall water quality is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, Wyoming DEQ, last sampled 2015-09-21. 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 Beck Lake 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 Beck Lake D
These are the measurements Wyoming DEQ publishes for Beck Lake 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 90 µg/L. TSI 69.
| 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 | 90µg/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. | 69 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Beck Lake D
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
110 acres
No bathymetric survey has been published for Beck Lake D, so its depth is not documented here.
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Fishing Beck Lake D
Water quality readings over time
3 seasons of samples on record (2014–2016). Calling a direction takes at least 4 years of the same measurement.
Phosphorus
Improving-25 µg/L/yr3 years
Reservoir Info (USACE NID)
Beck Lake D is a man-made reservoir impounded by the Beck Lake (completed 1970), built primarily for irrigation on the South Fork of Shoshone; earth-type dam, 11 ft tall and 2,000 ft long.
- Surface area
- 110 ac
- Normal storage
- 638 ac-ft
- Max storage
- 968 ac-ft
- Drainage area
- 0.4 sq mi
- Hazard class
- Significant
- Owner
- CODY CANAL ASSN. (AKA CODY CANAL, INC.)
Source: USACE National Inventory of Dams, NID ID WY01554 · Operator website · Matched by proximity (0.24 km)
Nearby Lakes in Park County
Frequently asked questions about Beck Lake D
Where is Beck Lake D?
- Beck Lake D is a lake in Park County, Wyoming. Its water-quality measurements are published by Wyoming DEQ and shown on this page as reported.
What is the water quality of Beck Lake D?
- Beck Lake D in Park County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Phosphorus: 90 µg/L. Surface area: 110 acres.
Is Beck Lake 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
7 measurements from 1 monitoring station, 2014–2015. 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_WATERSHED7 samples · 2014–2015
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.