Alcova Reservoir Transitional Pelagic
Natrona County, WyomingView mapDirections
Wyoming DEQ publishes the water-quality measurements for Alcova Reservoir Transitional Pelagic. Here is what has been measured.
- Mesotrophic
- Public access
- Limited data
Alcova Reservoir Transitional Pelagic in Natrona County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Water clarity: 11.3 ft visibility. Phosphorus: 20 µg/L.
Alcova Reservoir Transitional Pelagic is a mesotrophic lake in Natrona County, Wyoming. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available with 6 public boat landings. Compared to the 4 other monitored lakes in Natrona County, Alcova Reservoir Transitional Pelagic ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Wyoming DEQ, last sampled 2018-09-18. Methodology: how these readings are compared.
What Alcova Reservoir Transitional Pelagic is good for
From access and monitoring records, not editorial picks.
- Clear water11.3 ft of visibility
- Boat launch6 documented ramps
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 Alcova Reservoir Transitional Pelagic 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 Alcova Reservoir Transitional Pelagic
These are the measurements Wyoming DEQ publishes for Alcova Reservoir Transitional Pelagic, 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 11.3 ft. Phosphorus 20 µg/L. TSI 45.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 11.3ft | Measured, not scored 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. | 45 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Alcova Reservoir Transitional Pelagic
Answers come straight from the public measurements and survey records on this page.
Recreation & Access
- Okie BeachPublic
- Casper Water Ski ClubSemi-private
- Casper Water Ski ClubSemi-private
- marinaSemi-private
- marinaSemi-private
- marinaSemi-private
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
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Stays near Alcova Reservoir Transitional Pelagic
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Fishing Alcova Reservoir Transitional Pelagic
Water quality readings over time
3 seasons of samples on record (2012–2018). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Improving2 years
Phosphorus
Stable+0.32 µg/L/yr3 years
Nearby Lakes in Natrona County
Frequently asked questions about Alcova Reservoir Transitional Pelagic
Where is Alcova Reservoir Transitional Pelagic?
- Alcova Reservoir Transitional Pelagic is a lake in Natrona County, Wyoming. Its water-quality measurements are published by Wyoming DEQ and shown on this page as reported.
What is the water quality of Alcova Reservoir Transitional Pelagic?
- Alcova Reservoir Transitional Pelagic in Natrona County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Water clarity: 11.3 ft visibility. Phosphorus: 20 µg/L.
Is Alcova Reservoir Transitional Pelagic safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Alcova Reservoir Transitional Pelagic?
- Alcova Reservoir Transitional Pelagic has 6 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Okie Beach, Casper Water Ski Club, Casper Water Ski Club, marina, among others. Public access is listed as yes.
Can I fish at Alcova Reservoir Transitional Pelagic?
- Alcova Reservoir Transitional Pelagic has 6 documented boat landings 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.
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Where this data comes from
9 measurements from 1 monitoring station, 2012–2018. 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_WATERSHED9 samples · 2012–2018
Analytical methods
- Secchi
- 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
Named boat-access points from the USGS National Boat Ramps inventory