Where is Hillside Lake?

Hillside Lake is a lake in Dutchess County, New York. Its water-quality measurements are published by NY DEC and shown on this page as reported.

Hillside Lake

Dutchess County, New York25 acresView map Directions

No nutrient or algae sampling on record from NY DEC for this lake.

Area

25 acres

Surface area

Shoreline

1 mi

Measured length

Impaired · Nutrients (phosphorus, nitrogen)

See the measurements Directions Where to stay

Hillside Lake in Dutchess County, New York has water-quality measurements published by NY DEC, shown here as reported. Surface area: 25 acres.

Loading map…

Hillside Lake is a 25-acre lake in Dutchess County, New York.

Source: EPA Water Quality Portal sampling records, NYSDEC. Methodology: how these readings are compared.

Swimming conditions

No reading

Recreation use not supported

Nutrient and algae readings are not a swimming clearance. Hillside Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.

Whether Hillside 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.

Compare swimming lakes near Albany →

Get alerts for Hillside Lake →

Water quality measurements for Hillside Lake

These are the measurements NY DEC publishes for Hillside 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 Hillside Lake

Answers come straight from the public measurements and survey records on this page.

Lake Details

Surface area

25 acres

Shoreline

1 mi

No bathymetric survey has been published for Hillside Lake, so its depth is not documented here.

Stays via Stay22

Stays near Hillside Lake

Compare lakeside cabins, hotels, and vacation rentals near Hillside Lake in Dutchess 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 Hillside Lake

Prices for Oct 16–18, 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 Hillside Lake’s readings

Email me when new measurements post for this lake. Updates stay free.

Or email

Fishing Hillside Lake

→ Hillside Lake fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Hillside Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).

Causes of impairment

Nutrients (phosphorus, nitrogen)

Designated uses not supporting: Recreation.

Source: EPA ATTAINS assessment unit NY1304-0001 · Official waterbody report

Nearby Lakes in Dutchess County

Lake Walton2.6 miView →Sylvan Lake2.9 miView →Black Pond7.8 miView →Wappinger Lake6.3 miView →Cobalt Lake7.4 miView →Tyrrel Lake—View →

Frequently asked questions about Hillside Lake

Where is Hillside Lake?: Hillside Lake is a lake in Dutchess 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 Hillside Lake?: Hillside Lake in Dutchess County, New York has water-quality measurements published by NY DEC, shown here as reported. Surface area: 25 acres.
Is Hillside Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Hillside Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.