Rawlins Peaking Reservoir
Carbon County, Wyoming15 acresView mapDirections
Clarity, phosphorus, and algae sit in the clean band for this region.
- Mesotrophic
- #8 of 10 in the county
- Limited data
Rawlins Peaking Reservoir in Carbon County, Wyoming has a water quality grade of B (Good). Phosphorus: 20 µg/L. Surface area: 15 acres.
- Area
- 15 acres
- Type
- Mesotrophic
- Phosphorus
- 20 µg/L
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Watch Rawlins Peaking Reservoir’s letter
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Rawlins Peaking Reservoir is a 15-acre mesotrophic lake in Carbon County, Wyoming. Water quality is graded B based on 1 sampling years through 2017. 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. Grade methodology: LakeQuality methodology.
Swimming Safety
Grade onlyLimited data
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
The B is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Water Quality Grade: B (Good)
No clarity data. Phosphorus 20 µg/L. TSI 47. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 20 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 47 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 15 acres |
No bathymetric survey has been published for Rawlins Peaking Reservoir, so its depth is not documented here.
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
County Ranking
Ranked #8 of 10 lakes in Carbon County
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. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Rawlins Peaking Reservoir?
- Rawlins Peaking Reservoir in Carbon County, Wyoming has a water quality grade of B (Good). Phosphorus: 20 µg/L. Surface area: 15 acres.
Is Rawlins Peaking Reservoir safe to swim in?
- The B is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Explore Rawlins Peaking Reservoir across LakeQuality
More Wyoming Lake Rankings
Other Grade B Lakes in Wyoming
Mesotrophic Lakes in Wyoming
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)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.