Upper Stafford Marsh
Upper Stafford Marsh in Genesee County, New York is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 103 acres.
- Area
- 103 acres
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Why Upper Stafford Marsh 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 Upper Stafford Marsh, 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.
Upper Stafford Marsh is a 103-acre lake in Genesee County, New York.
Source: EPA Water Quality Portal sampling records, NYSDEC, last sampled recent years. Grade methodology: LakeQuality methodology.
Watch Upper Stafford Marsh 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 Upper Stafford Marsh
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 Upper Stafford Marsh
Compare lakeside cabins, hotels, and vacation rentals near Upper Stafford Marsh in Genesee 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 | 103 acres |
No bathymetric survey has been published for Upper Stafford Marsh, so its depth is not documented here.
Fishing Upper Stafford Marsh
Nearby Lakes in Genesee County
Frequently asked questions about Upper Stafford Marsh
Where is Upper Stafford Marsh?
- Upper Stafford Marsh is a lake in Genesee 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 Upper Stafford Marsh?
- Upper Stafford Marsh in Genesee County, New York is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 103 acres.
Is Upper Stafford Marsh safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Upper Stafford Marsh 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 Upper Stafford Marsh come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.