Lake Cameahwait
Fremont County, Wyoming414 acresView mapDirections
Wyoming DEQ publishes the water-quality measurements for Lake Cameahwait. Here is what has been measured.
- Oligotrophic
- 19 ft max depth
- Public access
- Limited data
Lake Cameahwait in Fremont County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Water clarity: 11.6 ft visibility. Phosphorus: 10 µg/L. Surface area: 414 acres.
Lake Cameahwait is a 414-acre cold, clear oligotrophic lake in Fremont County, Wyoming with an estimated average depth of about 19 feet. Water clarity is declining over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 17 other monitored lakes in Fremont County, Lake Cameahwait ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Wyoming DEQ, last sampled 2020-09-17. Methodology: how these readings are compared.
What Lake Cameahwait is good for
From access and monitoring records, not editorial picks.
- Clear water11.6 ft of visibility
- Boat launch1 documented ramp
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 Lake Cameahwait 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 Lake Cameahwait
These are the measurements Wyoming DEQ publishes for Lake Cameahwait, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Good clarity, visible to about 11.6 ft. Phosphorus 10 µg/L. TSI 40.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 11.6ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 10µg/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. | 40 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Lake Cameahwait
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~19 ft est.
Surface area
414 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 Lake Cameahwait.
Lake Size & Watershed
Watershed (drainage) area
5 sq mi
HydroLAKES / HydroSHEDS
Shoreline
3.3 mi
HydroLAKES / HydroSHEDS
Elevation
4,813 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.
Recreation & Access
- Cameahwait Lake (Bass Lake)Public
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Lake Cameahwait
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Fishing Lake Cameahwait
Water Quality Trend: Stable
Based on 6 years of monitoring (2013–2020).
Water clarity
Worsening2 years
Phosphorus
Improving-0.7 µg/L/yr6 years
Reservoir Info (USACE NID)
Lake Cameahwait is a man-made reservoir impounded by the Lake Cameahwait Dam (completed 1973), built primarily for fire protection, stock, or small fish pond on the Cottonwood Drain Draw; earth-type dam, 13 ft tall and 1,000 ft long.
- Surface area
- 414 ac
- Normal storage
- 6,683 ac-ft
- Max storage
- 6,683 ac-ft
- Hazard class
- Low
- Owner
- BUREAU OF RECLAMATION
All listed purposes: Fire Protection, Stock, Or Small Fish Pond;Recreation.
Source: USACE National Inventory of Dams, NID ID WY01302 · Operator website
Nearby Lakes in Fremont County
Frequently asked questions about Lake Cameahwait
Where is Lake Cameahwait?
- Lake Cameahwait is a lake in Fremont County, Wyoming. Its water-quality measurements are published by Wyoming DEQ and shown on this page as reported.
What is the water quality of Lake Cameahwait?
- Lake Cameahwait in Fremont County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Water clarity: 11.6 ft visibility. Phosphorus: 10 µg/L. Surface area: 414 acres.
Is Lake Cameahwait safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Lake Cameahwait?
- No published bathymetric survey covers Lake Cameahwait, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 19 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 414 acres.
Are there boat ramps on Lake Cameahwait?
- Lake Cameahwait has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Cameahwait Lake (Bass Lake). Public access is listed as yes.
Can I fish at Lake Cameahwait?
- Lake Cameahwait has 1 documented boat landing in the USGS National Boat Ramps inventory. 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.
Explore Lake Cameahwait across LakeQuality
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Where this data comes from
45 measurements from 2 monitoring stations, 2013–2020. 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_WATERSHED45 samples · 2013–2020
Analytical methods
- Secchi
- Total Phosphorus After Block Digestion
Monitoring station identifiers (2)
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)
Named boat-access points from the USGS National Boat Ramps inventory