Carry Pond
Hamilton County, New YorkView mapDirections
Clarity, phosphorus, and algae all sit in the cleanest band for this region.
- Mesotrophic
- #2 of 4 in the county
- Limited data
Carry Pond in Hamilton County, New York has a water quality grade of A (Excellent). Phosphorus: 15 µg/L. Chlorophyll-a (algae): 2.2 µg/L.
- Type
- Mesotrophic
- Trend
- ↑ Improving
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Watch Carry Pond’s letter
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Carry Pond is a mesotrophic lake in Hamilton County, New York. Water quality is graded A based on 2 sampling years through 2023. Overall water quality is improving over recent sampling years. Compared to the 3 other monitored lakes in Hamilton County, Carry Pond ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, NYSDEC, last sampled 2023-08-17. Grade methodology: LakeQuality methodology.
Swimming Safety
Grade onlyLimited data
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
The A is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Water Quality Grade: A (Excellent)
No clarity data. Phosphorus 15 µg/L. Chlorophyll-a 2.2 µg/L. TSI 41. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 15 µg/L | Good |
| Chlorophyll-a (Algae) | 2.2 µg/L | Good |
| Trophic State Index (TSI) | 41 | Mesotrophic |
Moderate nutrients, good water quality
Fishing Carry Pond
Water Quality Trend: ↑ Improving
Based on 4 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Phosphorus | ↑ Improving | -1.8 µg/L/yr | 4 |
| Chlorophyll-a | ↑ Improving | -0.4 µg/L/yr | 3 |
County Ranking
Ranked #2 of 4 lakes in Hamilton County
Nearby Lakes in Hamilton County
Frequently asked questions about Carry Pond
Where is Carry Pond?
- Carry Pond is a lake in Hamilton County, New York. LakeQuality grades it A for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Carry Pond?
- Carry Pond in Hamilton County, New York has a water quality grade of A (Excellent). Phosphorus: 15 µg/L. Chlorophyll-a (algae): 2.2 µg/L.
Is Carry Pond safe to swim in?
- The A is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Explore Carry Pond across LakeQuality
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Where this data comes from
7 measurements from 1 monitoring station, 2020–2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- USGS New York Water Science Center
USGS-NY7 samples · 2020–2023
Analytical methods
- P, wu, WCA, persulfate CF color
- Chlorophyll a,fluorometric,uncor
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.