Punchbowl Lake
Punchbowl Lake in Ketchikan Gateway County, Alaska is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 1622 acres.
- Area
- 1,622 acres
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Why Punchbowl Lake has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Punchbowl Lake, no water-quality sampling on record for this lake.
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by your state environmental agency and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Punchbowl Lake is a 1,622-acre lake in Ketchikan Gateway County, Alaska.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled recent years. Grade methodology: LakeQuality methodology.
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Swimming Safety
Not ratedElevated nutrients
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Punchbowl Lake
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Trophic State Index: undefined.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) |
Where to stay near Punchbowl Lake
Compare lakeside cabins, hotels, and vacation rentals near Punchbowl Lake in Ketchikan Gateway County, Alaska — 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 Punchbowl Lake
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 1,622 acres |
No bathymetric survey has been published for Punchbowl Lake, so its depth is not documented here.
Fishing Punchbowl Lake
Nearby Lakes in Ketchikan Gateway County
Frequently asked questions about Punchbowl Lake
Where is Punchbowl Lake?
- Punchbowl Lake is a lake in Ketchikan Gateway County, Alaska. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for Punchbowl Lake?
- Punchbowl Lake in Ketchikan Gateway County, Alaska is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 1622 acres.
Is Punchbowl Lake safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Punchbowl Lake is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
Explore Punchbowl Lake across LakeQuality
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Where this data comes from
Measurements for Punchbowl Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.