Leeks Marina North Lake
Teton County, WyomingView mapDirections
Not Rated: one monitoring station are on record, but they measured water clarity only. LakeQuality’s A–F method grades total phosphorus, total nitrogen, chlorophyll-a, and turbidity; clarity is shown, not scored.
- Limited data
Leeks Marina North Lake in Teton County, Wyoming is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 16.4 ft visibility.
- Clarity
- 16.4 ft
- Trend
- ↓ Declining
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Stays near Leeks Marina North Lake
Compare lakeside cabins, hotels, and vacation rentals near Leeks Marina North Lake in Teton 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 Leeks Marina North Lake
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Watch Leeks Marina North Lake’s letter
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Why Leeks Marina North Lake has no grade
Leeks Marina North Lake has monitoring on record from one station, but only water clarity was measured. LakeQuality’s A–F letter uses total phosphorus, total nitrogen, chlorophyll-a, and turbidity against EPA National Lakes Assessment condition classes. With none of those grading measurements on record, Leeks Marina North Lake is Not Rated — not an F. Its 16.4-foot median from 6 readings collected 2021–2024 is still shown as clarity, but clarity alone cannot earn a letter.
Not Rated is EPA Integrated Reporting Category 3 — insufficient information. Everything below that has been measured is still reported on this page.
Sampling is run by Wyoming DEQ and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Leeks Marina North Lake is a lake in Teton County, Wyoming. Overall water quality is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, Wyoming DEQ, last sampled 2024-07-16. Grade methodology: LakeQuality methodology.
What Leeks Marina North Lake is good for
From access and monitoring records, not editorial picks.
- Clear water16.4 ft of visibility
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Check local advisories before you swim.
Water quality measurements for Leeks Marina North Lake
These readings exist but are not enough for an A–F grade — see why.
Crystal clear, you can see 16.4 ft down. TSI 37.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 16.4 ft | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 37 | Oligotrophic |
Low nutrients, clear water. The letter is not a swimming clearance.
Fishing Leeks Marina North Lake
Water Quality Trend: ↓ Declining
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.946 m/yr | 3 |
Nearby Lakes in Teton County
Frequently asked questions about Leeks Marina North Lake
Where is Leeks Marina North Lake?
- Leeks Marina North Lake is a lake in Teton County, Wyoming. LakeQuality has not rated this lake (UNRATED) — the only measurement available is water clarity, which is not a water-quality indicator on its own — EPA's National Lakes Assessment does not grade clarity.
What is the water quality grade for Leeks Marina North Lake?
- Leeks Marina North Lake in Teton County, Wyoming is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 16.4 ft visibility.
Is Leeks Marina North Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
Explore Leeks Marina North Lake across LakeQuality
21.2 mi away · 260 ft
3.1 mi away · recorded at 162°F
Species activity outlook by water temperature and season
Where to stay at Wyoming's top lakes, each with its grade
Wyoming's cleanest and most-polluted lakes, ranked
Planning a trip around Grand Teton?
Leeks Marina North Lake is about 9 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 Wyoming Lake Rankings
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Where this data comes from
6 measurements from 1 monitoring station, 2021–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Bureau of Reclamation
1119USBR_WQX6 samples · 2021–2024
Analytical methods
- Zebra/Quagga Mussel APHA 10200G Modified
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.