South Crow Reservoir
Laramie County, WyomingView mapDirections
Wyoming DEQ publishes the water-quality measurements for South Crow Reservoir. Here is what has been measured.
- Eutrophic
- Limited data
South Crow Reservoir in Laramie County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Phosphorus: 30 µg/L.
South Crow Reservoir is a productive, nutrient-rich eutrophic lake in Laramie County, Wyoming. Compared to the 7 other monitored lakes in Laramie County, South Crow Reservoir ranks #6 for water quality.
Source: EPA Water Quality Portal sampling records, Wyoming DEQ, last sampled 2017-09-21. 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 South Crow 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 South Crow Reservoir
These are the measurements Wyoming DEQ publishes for South Crow 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 30 µg/L. TSI 53.
| 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 | 30µg/L | Fair 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. | 53 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about South Crow Reservoir
Answers come straight from the public measurements and survey records on this page.
Stays via Stay22
Stays near South Crow Reservoir
Compare lakeside cabins, hotels, and vacation rentals near South Crow Reservoir in Laramie County, Wyoming — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near South Crow Reservoir
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Wyoming’s top lakes →
Follow South Crow Reservoir’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing South Crow Reservoir
Nearby Lakes in Laramie County
Frequently asked questions about South Crow Reservoir
Where is South Crow Reservoir?
- South Crow Reservoir is a lake in Laramie County, Wyoming. Its water-quality measurements are published by Wyoming DEQ and shown on this page as reported.
What is the water quality of South Crow Reservoir?
- South Crow Reservoir in Laramie County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Phosphorus: 30 µg/L.
Is South Crow Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore South Crow Reservoir across LakeQuality
More lakes in Wyoming
Other Lakes in Wyoming
Eutrophic 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)
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.