Lake Desmet Lpd
Johnson County, WyomingView mapDirections
Wyoming DEQ publishes the water-quality measurements for Lake Desmet Lpd. Here is what has been measured.
- Oligotrophic
- Public access
- Limited data
Lake Desmet Lpd in Johnson County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Water clarity: 39.1 ft visibility. Phosphorus: 10 µg/L.
Lake Desmet Lpd is a cold, clear oligotrophic lake in Johnson County, Wyoming. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 4 other monitored lakes in Johnson County, Lake Desmet Lpd ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Wyoming DEQ, last sampled 2018-09-10. Methodology: how these readings are compared.
What Lake Desmet Lpd is good for
From access and monitoring records, not editorial picks.
- Clear water39.1 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 Desmet Lpd 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 Desmet Lpd
These are the measurements Wyoming DEQ publishes for Lake Desmet Lpd, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Crystal clear, you can see 39.1 ft down. Phosphorus 10 µg/L. TSI 31.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 39.1ft | 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. | 31 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Lake Desmet Lpd
Answers come straight from the public measurements and survey records on this page.
Recreation & Access
- Lake DeSmetPublic
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 Lake Desmet Lpd
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Fishing Lake Desmet Lpd
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
Improving3 years
Phosphorus
Improving-0.89 µg/L/yr3 years
Chlorophyll-a
Improving-0.1 µg/L/yr2 years
Nearby Lakes in Johnson County
Frequently asked questions about Lake Desmet Lpd
Where is Lake Desmet Lpd?
- Lake Desmet Lpd is a lake in Johnson 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 Desmet Lpd?
- Lake Desmet Lpd in Johnson County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Water clarity: 39.1 ft visibility. Phosphorus: 10 µg/L.
Is Lake Desmet Lpd safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Lake Desmet Lpd?
- Lake Desmet Lpd has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lake DeSmet. Public access is listed as yes.
Can I fish at Lake Desmet Lpd?
- Lake Desmet Lpd 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 Desmet Lpd across LakeQuality
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Where this data comes from
9 measurements from 1 monitoring station, 2017–2018. 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 · 2017–2018
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