Lake Washington
Orange County, New York167 acresView mapDirections
No nutrient or algae sampling on record from NY DEC for this lake.
- Impaired · Metals (other than mercury)
- 40 ft max depth
Lake Washington in Orange County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 40 ft. Surface area: 167 acres.
Lake Washington is a 167-acre lake in Orange County, New York with a maximum depth of 40 feet (20-foot average).
Source: EPA Water Quality Portal sampling records, NYSDEC. Methodology: how these readings are compared.
What Lake Washington is good for
From access and monitoring records, not editorial picks.
- Deep water40 ft surveyed max depth
Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. Lake Washington is listed impaired under Clean Water Act §303(d) (IR 5) for metals (other than mercury), nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Lake Washington 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 Washington
These are the measurements NY DEC publishes for Lake Washington, 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 Lake Washington
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
40 ft
Average depth
19.7 ft
Surface area
167 acres
Shoreline
2.4 mi
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Stays near Lake Washington
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Fishing Lake Washington
EPA Impairment Status
Lake Washington 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: Drinking water, Recreation.
Source: EPA ATTAINS assessment unit NY1303-0012 · Official waterbody report
Nearby Lakes in Orange County
Frequently asked questions about Lake Washington
Where is Lake Washington?
- Lake Washington is a lake in Orange 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 Washington?
- Lake Washington in Orange County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 40 ft. Surface area: 167 acres.
Is Lake Washington safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lake Washington is listed impaired under Clean Water Act §303(d) (IR 5) for metals (other than mercury), nutrients (phosphorus, nitrogen). Check local advisories before you swim.
How deep is Lake Washington?
- Lake Washington has a maximum depth of 40 feet and an average depth of 19.7 feet. The lake covers 167 acres.
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Where this data comes from
Measurements for Lake Washington 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