Peach Lake
Putnam County, New YorkView mapDirections
NY DEC publishes the water-quality measurements for Peach Lake. Here is what has been measured.
- Impaired · Nutrients (phosphorus, nitrogen)
- 46 ft max depth
- Limited data
Peach Lake in Putnam County, New York has water-quality measurements published by NY DEC, shown here as reported. Water clarity: 7.2 ft visibility.
Peach Lake is a lake in Putnam County, New York with an estimated average depth of about 46 feet.
Source: EPA Water Quality Portal sampling records, NYSDEC, last sampled 2020-09-27. Methodology: how these readings are compared.
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Swimming conditions
No readingBacteria advisory
Nutrient and algae readings are not a swimming clearance. Peach Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen), pathogens (E. coli, fecal). Check local advisories before you swim.
Whether Peach 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 Peach Lake
These are the measurements NY DEC publishes for Peach Lake, 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 7.2 ft. TSI 49.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 7.2ft | 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. | 49 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Peach Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~46 ft est.
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. New York has not published bathymetry for Peach Lake.
Lake Size & Watershed
Watershed (drainage) area
2 sq mi
HydroLAKES / HydroSHEDS
Surface area
222 acres
HydroLAKES / HydroSHEDS
Shoreline
2.7 mi
HydroLAKES / HydroSHEDS
Elevation
538 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
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Stays near Peach Lake
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Fishing Peach Lake
EPA Impairment Status
Peach Lake 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: Aquatic life, Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit NY1302-0004 · Official waterbody report
Regulated Pollution Sources Nearby
14 EPA-permitted facilities operate within about 5 miles of Peach Lake under Clean Water Act (NPDES) discharge permits. 9 facilities have a reported Clean Water Act violation in the past three years.
- Peach Lake Sewer District WwtpSoutheast, Town Of · 0.7 mi away · NPDES NY0274526Recent violation
- I-684 Rest Area #45Southeast, Town Of · 1.7 mi away · NPDES NY0035955Recent violation
- Brewster (V) StpBrewster · 2.9 mi away · NPDES NY0026581Recent violation
- Reed Farm Condominiums StpBrewster · 3 mi away · NPDES NY0145858Recent violation
- Lakeland Merit Armstrong IncBrewster · 3.3 mi away · NPDES NY0248002Recent violation
- Meenan Oil Co.Brewster · 3.3 mi away · NPDES NY0235059Recent 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 Putnam County
Frequently asked questions about Peach Lake
Where is Peach Lake?
- Peach Lake is a lake in Putnam 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 Peach Lake?
- Peach Lake in Putnam County, New York has water-quality measurements published by NY DEC, shown here as reported. Water clarity: 7.2 ft visibility.
Is Peach Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Peach Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen), pathogens (E. coli, fecal). Check local advisories before you swim.
How deep is Peach Lake?
- No published bathymetric survey covers Peach Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 46 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.
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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
Impairment status from EPA ATTAINS 303(d) database
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Lake size & watershed from HydroLAKES (HydroSHEDS)