Rawlins Peaking Reservoir
Carbon County, Wyoming15 acresView mapDirections
Wyoming DEQ publishes the water-quality measurements for Rawlins Peaking Reservoir. Here is what has been measured.
- Mesotrophic
- Limited data
Rawlins Peaking Reservoir in Carbon County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Phosphorus: 20 µg/L. Surface area: 15 acres.
Rawlins Peaking Reservoir is a 15-acre mesotrophic lake in Carbon County, Wyoming. Compared to the 9 other monitored lakes in Carbon County, Rawlins Peaking Reservoir ranks #8 for water quality.
Source: EPA Water Quality Portal sampling records, Wyoming DEQ, last sampled 2017-09-18. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLimited data
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Rawlins Peaking Reservoir 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 Rawlins Peaking Reservoir
These are the measurements Wyoming DEQ publishes for Rawlins Peaking Reservoir, 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 | Good GoodFairPoor |
| 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 Rawlins Peaking Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
15 acres
No bathymetric survey has been published for Rawlins Peaking Reservoir, so its depth is not documented here.
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Fishing Rawlins Peaking Reservoir
Reservoir Info (USACE NID)
Rawlins Peaking Reservoir is a man-made reservoir impounded by the Rawlins Peaking (completed 1965), built primarily for water supply on the Sage Creek; earth-type dam, 38 ft tall and 3,041 ft long.
- Surface area
- 15 ac
- Normal storage
- 347 ac-ft
- Max storage
- 426 ac-ft
- Drainage area
- 0 sq mi
- Hazard class
- Low
- Owner
- CITY OF RAWLINS (DANNY RODRIGUEZ)
All listed purposes: Water Supply;Other.
Source: USACE National Inventory of Dams, NID ID WY00311 · Operator website
Nearby Lakes in Carbon County
Frequently asked questions about Rawlins Peaking Reservoir
Where is Rawlins Peaking Reservoir?
- Rawlins Peaking Reservoir 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 Rawlins Peaking Reservoir?
- Rawlins Peaking Reservoir in Carbon County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Phosphorus: 20 µg/L. Surface area: 15 acres.
Is Rawlins Peaking Reservoir 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, 2017. 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 · 2017
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.