Renner Reservoir D
Big Horn County, Wyoming70 acresView mapDirections
Wyoming DEQ publishes the water-quality measurements for Renner Reservoir D. Here is what has been measured.
- 15 ft max depth
- Public access
- Limited data
Renner Reservoir D in Big Horn County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Phosphorus: 20 µg/L. Surface area: 70 acres.
Renner Reservoir D is a 70-acre lake in Big Horn County, Wyoming with an estimated average depth of about 15 feet. Limited fish-species data available. Public access is available.
Source: EPA Water Quality Portal sampling records, Wyoming DEQ, last sampled 2015-09-22. 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 Renner 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 Renner Reservoir D
These are the measurements Wyoming DEQ publishes for Renner 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 20 µg/L. TSI 47.
| 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 | 20µg/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. | 47 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Renner Reservoir D
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~15 ft est.
Surface area
70 acres
Public access
Yes
Listed by Wyoming DEQ
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Wyoming has not published bathymetry for Renner Reservoir D.
Lake Size & Watershed
Watershed (drainage) area
19 sq mi
HydroLAKES / HydroSHEDS
Shoreline
1.6 mi
HydroLAKES / HydroSHEDS
Elevation
4,770 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
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Fishing Renner Reservoir D
Water quality readings over time
2 seasons of samples on record (2014–2015). Calling a direction takes at least 4 years of the same measurement.
Phosphorus
Stable0 µg/L/yr2 years
Reservoir Info (USACE NID)
Renner Reservoir D is a man-made reservoir impounded by the Renner (completed 1950), built primarily for irrigation on the Buffalo Flat Creek; earth-type dam, 16 ft tall and 1,050 ft long.
- Surface area
- 70 ac
- Normal storage
- 366 ac-ft
- Max storage
- 584 ac-ft
- Drainage area
- 0 sq mi
- Hazard class
- Low
- Owner
- WYOMING GAME AND FISH COMMISSION
Source: USACE National Inventory of Dams, NID ID WY01059 · Operator website · Matched by proximity (0.14 km)
Nearby Lakes in Big Horn County
Frequently asked questions about Renner Reservoir D
Where is Renner Reservoir D?
- Renner Reservoir D is a lake in Big Horn County, Wyoming. Its water-quality measurements are published by Wyoming DEQ and shown on this page as reported.
What is the water quality of Renner Reservoir D?
- Renner Reservoir D in Big Horn County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Phosphorus: 20 µg/L. Surface area: 70 acres.
Is Renner Reservoir D safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Renner Reservoir D?
- No published bathymetric survey covers Renner Reservoir D, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 15 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 70 acres.
Can I fish at Renner Reservoir D?
- Public access to Renner Reservoir D is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by Wyoming's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
6 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_WATERSHED6 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.
Other records on this page
Lake size & watershed from HydroLAKES (HydroSHEDS)