West Newton Lake
Park County, WyomingView mapDirections
Wyoming DEQ publishes the water-quality measurements for West Newton Lake. Here is what has been measured.
- Oligotrophic
- Limited data
West Newton Lake in Park County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Water clarity: 17.7 ft visibility. Phosphorus: 10 µg/L.
West Newton Lake is a cold, clear oligotrophic lake in Park County, Wyoming. Overall water quality is improving over recent sampling years. Compared to the 4 other monitored lakes in Park County, West Newton Lake ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, Wyoming DEQ, last sampled 2021-09-14. Methodology: how these readings are compared.
What West Newton Lake is good for
From access and monitoring records, not editorial picks.
- Clear water17.7 ft of visibility
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 West Newton Lake 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 West Newton Lake
These are the measurements Wyoming DEQ publishes for West Newton Lake, 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 17.7 ft down. Phosphorus 10 µg/L. TSI 37.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 17.7ft | 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. | 37 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about West Newton Lake
Answers come straight from the public measurements and survey records on this page.
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Stays near West Newton Lake
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Fishing West Newton Lake
Water quality readings over time
3 seasons of samples on record (2014–2021). Calling a direction takes at least 4 years of the same measurement.
Phosphorus
Improving-3.37 µg/L/yr3 years
Nearby Lakes in Park County
Frequently asked questions about West Newton Lake
Where is West Newton Lake?
- West Newton Lake is a lake in Park County, Wyoming. Its water-quality measurements are published by Wyoming DEQ and shown on this page as reported.
What is the water quality of West Newton Lake?
- West Newton Lake in Park County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Water clarity: 17.7 ft visibility. Phosphorus: 10 µg/L.
Is West Newton Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore West Newton Lake across LakeQuality
3 thermal springs within 2.8 mi, nearest Shoshone Hot Springs
Species activity outlook by water temperature and season
Where to stay at Wyoming's top lakes, each with its readings
Wyoming's cleanest lakes, ranked on agency measurements
More lakes in Wyoming
Other Lakes in Wyoming
Oligotrophic Lakes in Wyoming
Where this data comes from
6 measurements from 1 monitoring station, 2021. 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_WATERSHED6 samples · 2021
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.