Foss and Knowlton Pond
Foss and Knowlton Pond in Piscataquis County, Maine is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 46 acres.
- Area
- 46 acres
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Why Foss and Knowlton Pond 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 Foss and Knowlton Pond, 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.
Foss and Knowlton Pond is a 46-acre lake in Piscataquis County, Maine.
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 Foss and Knowlton Pond
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 Foss and Knowlton Pond
Compare lakeside cabins, hotels, and vacation rentals near Foss and Knowlton Pond in Piscataquis County, Maine — 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 Foss and Knowlton Pond
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 46 acres |
No bathymetric survey has been published for Foss and Knowlton Pond, so its depth is not documented here.
Fishing Foss and Knowlton Pond
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Frequently asked questions about Foss and Knowlton Pond
Where is Foss and Knowlton Pond?
- Foss and Knowlton Pond is a lake in Piscataquis County, Maine. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for Foss and Knowlton Pond?
- Foss and Knowlton Pond in Piscataquis County, Maine is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 46 acres.
Is Foss and Knowlton Pond safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Foss and Knowlton Pond is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
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Where this data comes from
Measurements for Foss and Knowlton Pond come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.