Round Pond
Rensselaer County, New YorkView mapDirections
NY DEC publishes the water-quality measurements for Round Pond. Here is what has been measured.
- Limited data
Round Pond in Rensselaer County, New York has water-quality measurements published by NY DEC, shown here as reported. Water clarity: 7.1 ft visibility.
Round Pond is a lake in Rensselaer County, New York.
Source: EPA Water Quality Portal sampling records, NYSDEC, last sampled 2020-09-13. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Round Pond is safe to swim in today is a call for the New York Department of Environmental Conservation and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Round Pond
These are the measurements NY DEC publishes for Round Pond, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Moderate clarity, visible to about 7.1 ft. TSI 49.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 7.1ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 49 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
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Fishing Round Pond
Regulated Pollution Sources Nearby
1 EPA-permitted facility operate within about 5 miles of Round Pond under Clean Water Act (NPDES) discharge permits.
- Nys Cherry Plain State ParkCherry Plain · 2 mi away · NPDES NY0124125
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Nearby Lakes in Rensselaer County
Frequently asked questions about Round Pond
Where is Round Pond?
- Round Pond is a lake in Rensselaer County, New York. Its water-quality measurements are published by NY DEC and shown on this page as reported.
What is the water quality of Round Pond?
- Round Pond in Rensselaer County, New York has water-quality measurements published by NY DEC, shown here as reported. Water clarity: 7.1 ft visibility.
Is Round Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
8 measurements from 1 monitoring station, 2020. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- North American Lake Management Society
NALMS8 samples · 2020
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Regulated discharger data from EPA ECHO (ICIS-NPDES)