Colter South Dock Lake
Teton County, WyomingView mapDirections
Wyoming DEQ publishes the water-quality measurements for Colter South Dock Lake. Here is what has been measured.
- Public access
- Limited data
Colter South Dock Lake in Teton County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Water clarity: 12.2 ft visibility.
Colter South Dock Lake is a lake in Teton County, Wyoming. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available.
Source: EPA Water Quality Portal sampling records, Wyoming DEQ, last sampled 2024-07-16. Methodology: how these readings are compared.
What Colter South Dock Lake is good for
From access and monitoring records, not editorial picks.
- Clear water12.2 ft of visibility
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Colter South Dock 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 Colter South Dock Lake
These are the measurements Wyoming DEQ publishes for Colter South Dock Lake, 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 12.2 ft. TSI 41.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 12.2ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| 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. | 41 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Colter South Dock Lake
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Stays near Colter South Dock Lake
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Fishing Colter South Dock Lake
Water quality readings over time
3 seasons of samples on record (2021–2024). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Worsening3 years
Nearby Lakes in Teton County
Frequently asked questions about Colter South Dock Lake
Where is Colter South Dock Lake?
- Colter South Dock Lake is a lake in Teton County, Wyoming. Its water-quality measurements are published by Wyoming DEQ and shown on this page as reported.
What is the water quality of Colter South Dock Lake?
- Colter South Dock Lake in Teton County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Water clarity: 12.2 ft visibility.
Is Colter South Dock Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Can I fish at Colter South Dock Lake?
- Public access to Colter South Dock Lake is listed as yes on the lake record. 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 Colter South Dock Lake across LakeQuality
10.8 mi away · 100 ft
18.1 mi away · recorded at 81°F
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
Planning a trip around Grand Teton?
Colter South Dock Lake is about 6 miles from Grand Teton National Park. Crowds there swing hard by season, so the month you pick changes both how busy the park is and what lodging costs.
Best time to visit Grand Teton →More lakes in Wyoming
Other Lakes in Wyoming
Mesotrophic Lakes in Wyoming
Where this data comes from
4 measurements from 1 monitoring station, 2023–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Bureau of Reclamation
1119USBR_WQX4 samples · 2023–2024
Analytical methods
- Zebra/Quagga Mussel APHA 10200G Modified
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.