South Colwell Pond
South Colwell Pond in Jefferson County, New York is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 113 acres.
- Area
- 113 acres
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Why South Colwell 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 South Colwell 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 NYSDEC and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
South Colwell Pond is a 113-acre lake in Jefferson County, New York.
Source: EPA Water Quality Portal sampling records, NYSDEC, last sampled recent years. Grade methodology: LakeQuality methodology.
Watch South Colwell Pond water quality
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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 South Colwell 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 South Colwell Pond
Compare lakeside cabins, hotels, and vacation rentals near South Colwell Pond in Jefferson County, New York — 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.
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 113 acres |
No bathymetric survey has been published for South Colwell Pond, so its depth is not documented here.
Recreation & Access
- South Colwell PondPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing South Colwell Pond
Nearby Lakes in Jefferson County
Frequently asked questions about South Colwell Pond
Where is South Colwell Pond?
- South Colwell Pond is a lake in Jefferson County, New York. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for South Colwell Pond?
- South Colwell Pond in Jefferson County, New York is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 113 acres.
Is South Colwell Pond safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. South Colwell Pond is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
Are there boat ramps on South Colwell Pond?
- South Colwell Pond has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include South Colwell Pond.
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Where this data comes from
Measurements for South Colwell Pond come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory