Twitchell Lake
Herkimer County, New York143 acresView mapDirections
No nutrient or algae sampling on record from NY DEC for this lake.
- Impaired · pH / acidity
- 33 ft max depth
Twitchell Lake in Herkimer County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 32.8 ft. Surface area: 143 acres.
Twitchell Lake is a 143-acre lake in Herkimer County, New York with a maximum depth of 33 feet (10-foot average).
Source: EPA Water Quality Portal sampling records, NYSDEC. Methodology: how these readings are compared.
What Twitchell Lake is good for
From access and monitoring records, not editorial picks.
- Deep water32.8 ft surveyed max depth
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Twitchell Lake is listed impaired under Clean Water Act §303(d) (IR 5) for pH / acidity. Check local advisories before you swim.
Whether Twitchell 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 Twitchell Lake
These are the measurements NY DEC publishes for Twitchell 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 Twitchell Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
32.8 ft
Average depth
9.8 ft
Surface area
143 acres
Shoreline
4.1 mi
Stays via Stay22
Stays near Twitchell Lake
Compare lakeside cabins, hotels, and vacation rentals near Twitchell Lake in Herkimer 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 Twitchell 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 Twitchell Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Twitchell Lake
EPA Impairment Status
Twitchell 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.
Source: EPA ATTAINS assessment unit NY0801-0165 · Official waterbody report
Nearby Lakes in Herkimer County
Frequently asked questions about Twitchell Lake
Where is Twitchell Lake?
- Twitchell Lake is a lake in Herkimer 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 Twitchell Lake?
- Twitchell Lake in Herkimer County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 32.8 ft. Surface area: 143 acres.
Is Twitchell Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Twitchell Lake is listed impaired under Clean Water Act §303(d) (IR 5) for pH / acidity. Check local advisories before you swim.
How deep is Twitchell Lake?
- Twitchell Lake has a maximum depth of 32.8 feet and an average depth of 9.8 feet. The lake covers 143 acres.
Explore Twitchell Lake across LakeQuality
Species activity outlook by water temperature and season
Top lakes and where to stay in the Adirondacks area
Where to stay at New York's top lakes, each with its readings
New York's cleanest lakes, ranked on agency measurements
More lakes in New York
Other Lakes in New York
Where this data comes from
Measurements for Twitchell 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