Fresh Pond
Suffolk County, New YorkView mapDirections
NY DEC publishes the water-quality measurements for Fresh Pond. Here is what has been measured.
- Impaired · Nutrients (phosphorus, nitrogen)
- Limited data
Fresh Pond in Suffolk County, New York has water-quality measurements published by NY DEC, shown here as reported. Water clarity: 6.5 ft visibility.
Fresh Pond is a lake in Suffolk 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 readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. Fresh Pond is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Fresh 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 Fresh Pond
These are the measurements NY DEC publishes for Fresh Pond, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 6.5 ft. TSI 50.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 6.5ft | 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. | 50 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Fresh Pond
Answers come straight from the public measurements and survey records on this page.
Stays via Stay22
Stays near Fresh Pond
Compare lakeside cabins, hotels, and vacation rentals near Fresh Pond in Suffolk 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.
Top-rated places to stay near Fresh Pond
Prices for Oct 23–25, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at New York’s top lakes →
Follow Fresh Pond’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Fresh Pond
EPA Impairment Status
Fresh Pond is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Recreation.
Source: EPA ATTAINS assessment unit NY1701-0241 · Official waterbody report
Regulated Pollution Sources Nearby
3 EPA-permitted facilities operate within about 5 miles of Fresh Pond under Clean Water Act (NPDES) discharge permits, including 1 classified by the EPA as major discharger. 3 facilities have a reported Clean Water Act violation in the past three years.
- Greenport (V) WwtpGreenport · 3.9 mi away · NPDES NY0020079MajorRecent violation
- Piccozzi PropertyShelter Island Heights · 2 mi away · NPDES NY0267180Recent violation
- Shelter Island Hgts Prop Owners CorpShelter Island Heights · 2.3 mi away · NPDES NY0021814Recent 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 Suffolk County
Frequently asked questions about Fresh Pond
Where is Fresh Pond?
- Fresh Pond is a lake in Suffolk 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 Fresh Pond?
- Fresh Pond in Suffolk County, New York has water-quality measurements published by NY DEC, shown here as reported. Water clarity: 6.5 ft visibility.
Is Fresh Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Fresh Pond is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Explore Fresh Pond across LakeQuality
More lakes in New York
Other Lakes in New York
Eutrophic Lakes in New York
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
Impairment status from EPA ATTAINS 303(d) database
Regulated discharger data from EPA ECHO (ICIS-NPDES)