Lake Lincolndale
Westchester County, New York22 acresView mapDirections
NY DEC publishes the water-quality measurements for Lake Lincolndale. Here is what has been measured.
- Impaired · Nutrients (phosphorus, nitrogen)
- Limited data
Lake Lincolndale in Westchester County, New York has water-quality measurements published by NY DEC, shown here as reported. Water clarity: 2.8 ft visibility. Surface area: 22 acres.
Lake Lincolndale is a 22-acre lake in Westchester County, New York.
Source: EPA Water Quality Portal sampling records, NYSDEC, last sampled 2020-09-20. Methodology: how these readings are compared.
Lake Lincolndale covers about 22 acres in Westchester County. Vrbo is where to look for cabins and lake homes around Lake Lincolndale, and Booking.com and Expedia search hotels near the lake for your dates.
Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. Lake Lincolndale is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Lake Lincolndale 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 Lincolndale
These are the measurements NY DEC publishes for Lake Lincolndale, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 2.8 ft of visibility. TSI 62.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.8ft | 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. | 62 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Lake Lincolndale
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
22 acres
No bathymetric survey has been published for Lake Lincolndale, so its depth is not documented here.
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Fishing Lake Lincolndale
Reservoir Info (USACE NID)
Lake Lincolndale is a man-made reservoir impounded by the Lake Lincolndale Dam (completed 1935), built primarily for recreation on the TR-PLUM BROOK; earth-type dam, 22 ft tall and 580 ft long.
- Surface area
- 22 ac
- Normal storage
- 170 ac-ft
- Max storage
- 275 ac-ft
- Drainage area
- 0.54 sq mi
- Hazard class
- High
- Owner
- LAKE LINCOLNDALE PROPERTY OWNERS ASSOCIATION
Source: USACE National Inventory of Dams, NID ID NY00102 · Operator website
EPA Impairment Status
Lake Lincolndale 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 NY1302-0089 · Official waterbody report
Regulated Pollution Sources Nearby
20 EPA-permitted facilities operate within about 5 miles of Lake Lincolndale under Clean Water Act (NPDES) discharge permits. 6 facilities have a reported Clean Water Act violation in the past three years.
- Country Manor StpMahopac · 1.1 mi away · NPDES NY0029017Recent violation
- Lincoln Hall StpLincolndale · 1.2 mi away · NPDES NY0036994Recent violation
- Heritage Hills StpSomers · 2 mi away · NPDES NY0026891Recent violation
- Somers High School & Primrose Elem CampusLincolndale · 2.2 mi away · NPDES NY0035483Recent violation
- The Paramount At Somers Rehabilitation & NursingSomers · 3.2 mi away · NPDES NY0101877Recent violation
- Seven Springs Sewer CorpPurdys · 3.7 mi away · NPDES NY0029653Recent 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 Westchester County
Frequently asked questions about Lake Lincolndale
Where is Lake Lincolndale?
- Lake Lincolndale is a lake in Westchester 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 Lincolndale?
- Lake Lincolndale in Westchester County, New York has water-quality measurements published by NY DEC, shown here as reported. Water clarity: 2.8 ft visibility. Surface area: 22 acres.
Is Lake Lincolndale safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lake Lincolndale is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
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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)