Jockeybush Lake
Hamilton County, New YorkView mapDirections
NY DEC publishes the water-quality measurements for Jockeybush Lake. Here is what has been measured.
- Mesotrophic
- Impaired · Mercury
- Limited data
Jockeybush Lake in Hamilton County, New York has water-quality measurements published by NY DEC, shown here as reported. Phosphorus: 7 µg/L. Chlorophyll-a (algae): 2.2 µg/L.
Jockeybush Lake is a mesotrophic lake in Hamilton County, New York. Overall water quality is improving over recent sampling years. Compared to the 3 other monitored lakes in Hamilton County, Jockeybush Lake ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, NYSDEC, last sampled 2023-09-12. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLimited data
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Jockeybush Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, pH / acidity. Check local advisories before you swim.
Whether Jockeybush Lake 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 Jockeybush Lake
These are the measurements NY DEC publishes for Jockeybush Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 7 µg/L. Chlorophyll-a 2.2 µg/L. TSI 35.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 7µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | 2.2µg/L | Good GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 35 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Jockeybush Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Jockeybush Lake typically sits around 65°F at the surface in September. Summer average is about 74°F. Usually warmest in Jul (about 74°F) and coldest in Feb (about 34°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (34°F) to its warmest (74°F).
Typical surface water temperature by month, from 38 field readings (2017–2022) via the EPA Water Quality Portal. See the full Jockeybush Lake water temperature breakdown →
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Stays near Jockeybush Lake
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Fishing Jockeybush Lake
Water Quality Trend: Improving
Based on 4 years of monitoring (2020–2023).
Phosphorus
Improving-3 µg/L/yr4 years
Chlorophyll-a
Improving-0.4 µg/L/yr3 years
EPA Impairment Status
Jockeybush Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Aquatic life.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit NY1104-0013 · Official waterbody report
Nearby Lakes in Hamilton County
Frequently asked questions about Jockeybush Lake
Where is Jockeybush Lake?
- Jockeybush Lake is a lake in Hamilton 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 Jockeybush Lake?
- Jockeybush Lake in Hamilton County, New York has water-quality measurements published by NY DEC, shown here as reported. Phosphorus: 7 µg/L. Chlorophyll-a (algae): 2.2 µg/L.
Is Jockeybush Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Jockeybush Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, pH / acidity. Check local advisories before you swim.
What is the water temperature of Jockeybush Lake?
- Jockeybush Lake typically sits around 65°F at the surface in September, from 38 EPA Water Quality Portal field readings (2017–2022). That is a typical value for the month, not a live reading.
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Where this data comes from
34 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-NY34 samples · 2020–2023
Analytical methods
- P, wu, WCA, persulfate CF color
- Chlorophyll a,fluorometric,uncor
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
Impairment status from EPA ATTAINS 303(d) database