Lake Petonia
Chenango County, New YorkView mapDirections
NY DEC publishes the water-quality measurements for Lake Petonia. Here is what has been measured.
- Limited data
Lake Petonia in Chenango County, New York has water-quality measurements published by NY DEC, shown here as reported. Water clarity: 20.2 ft visibility.
Lake Petonia is a lake in Chenango County, New York. Overall water quality is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, NYSDEC, last sampled 2022-07-05. Methodology: how these readings are compared.
What Lake Petonia is good for
From access and monitoring records, not editorial picks.
- Clear water20.2 ft of visibility
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Lake Petonia 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 Lake Petonia
These are the measurements NY DEC publishes for Lake Petonia, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Crystal clear, you can see 20.2 ft down. TSI 34.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 20.2ft | 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. | 34 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Lake Petonia
Answers come straight from the public measurements and survey records on this page.
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Stays near Lake Petonia
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Fishing Lake Petonia
Water quality readings over time
3 seasons of samples on record (2020–2022). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Improving3 years
Regulated Pollution Sources Nearby
3 EPA-permitted facilities operate within about 5 miles of Lake Petonia under Clean Water Act (NPDES) discharge permits. 3 facilities have a reported Clean Water Act violation in the past three years.
- Greene Technologies, IncGreene · 1.3 mi away · NPDES NY0086479Recent violation
- Greene (V) WwtpGreene · 1.5 mi away · NPDES NY0021407Recent violation
- Mirabito Fuel GroupGreene · 1.6 mi away · NPDES NY0157490Recent violation
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 Chenango County
Frequently asked questions about Lake Petonia
Where is Lake Petonia?
- Lake Petonia is a lake in Chenango 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 Lake Petonia?
- Lake Petonia in Chenango County, New York has water-quality measurements published by NY DEC, shown here as reported. Water clarity: 20.2 ft visibility.
Is Lake Petonia safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Lake Petonia across LakeQuality
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Where this data comes from
10 measurements from 1 monitoring station, 2020–2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- North American Lake Management Society
NALMS10 samples · 2020–2022
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)