Rockland Lake
Rockland County, New York277 acresView mapDirections
No nutrient or algae sampling on record from NY DEC for this lake.
- Impaired · Nutrients (phosphorus, nitrogen)
- 35 ft max depth
Rockland Lake in Rockland County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 35.1 ft. Surface area: 277 acres.
Rockland Lake is a 277-acre lake in Rockland County, New York with a maximum depth of 35 feet.
Source: EPA Water Quality Portal sampling records, NYSDEC. Methodology: how these readings are compared.
What Rockland Lake is good for
From access and monitoring records, not editorial picks.
- Deep water35.1 ft surveyed max depth
Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. Rockland Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Rockland 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 Rockland Lake
These are the measurements NY DEC publishes for Rockland 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. TSI undefined.
Ask about Rockland Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
35.1 ft
Surface area
277 acres
Shoreline
2.8 mi
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Fishing Rockland Lake
EPA Impairment Status
Rockland 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: Recreation.
Source: EPA ATTAINS assessment unit NY1501-0021 · Official waterbody report
Nearby Lakes in Rockland County
Frequently asked questions about Rockland Lake
Where is Rockland Lake?
- Rockland Lake is a lake in Rockland 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 Rockland Lake?
- Rockland Lake in Rockland County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 35.1 ft. Surface area: 277 acres.
Is Rockland Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Rockland Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
How deep is Rockland Lake?
- Rockland Lake has a maximum depth of 35.1 feet. The lake covers 277 acres.
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Where this data comes from
Measurements for Rockland Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database