Rondout Reservoir fishing: White Sucker, Lake Trout, Brown Trout

Target species: White Sucker, Lake Trout, Brown Trout

The reservoir

Rondout Reservoir covers 2,016 acres in New York, across 2 counties: Sullivan and Ulster. It is a reservoir: 95.7% of it is 140 feet deep or less; the deepest point measured is at least 170 feet (51.8 m). Our records hold 4 species for this water.

Aerial view of Rondout Reservoir, NY 01 (9614123912).jpg
Joe Mabel (on Flickr as Joe Mabel from Seattle, US) · CC BY-SA 3.0

Depth and bottom

Deepest measured point: at least 170 ft (51.8 m). That is the deepest contour line: the bottom goes deeper. 95.7% of the water is 140 feet or shallower. We hold 45 depth contours for this water, drawn from 273,438 soundings.

Aerial view of Rondout Reservoir, NY 01 - white balanced (9610899323).jpg
Joe Mabel (on Flickr as Joe Mabel from Seattle, US) · CC BY-SA 3.0
  • 0–10 ft: 4.6% of the water
  • 10–20 ft: 7.4% of the water
  • 20–30 ft: 8.6% of the water
  • 30–40 ft: 6.9% of the water
  • 40–50 ft: 6.1% of the water
  • 50–60 ft: 6.2% of the water
  • 60–70 ft: 8.2% of the water
  • 70–80 ft: 7.7% of the water
  • 80–90 ft: 7.5% of the water
  • 90–100 ft: 6.6% of the water
  • 100–110 ft: 7.3% of the water
  • 110–120 ft: 7.3% of the water
  • 120–130 ft: 5.5% of the water
  • 130–140 ft: 5.8% of the water
  • 140–150 ft: 3.1% of the water
  • 150–160 ft: 1.3% of the water

Stocking: 91,430 fish, 2011–2025

NYSDEC records list 91,430 fish released into this water from 2011 to 2025.

Merriman Dam from NY 55A, June 2026.jpg
Mr. Matté (if there is an issue with this image, contact me using this image's Commons talk page, my Commons user talk page, or my English Wikipedia user talk page; I'll know about it a lot faster) · CC BY-SA 4.0
  • Brown Trout: 88,770 in 2011–2025
  • Lake Trout: 2,660 in 2011

3 target fish, led by White Sucker

  • White Sucker — Feeding water: 50–70°F.
  • Lake Trout — Feeding water: 50–65°F.
  • Brown Trout — Feeding water: 50–65°F.

Also recorded here: Slimy Sculpin.

Water and conditions

Our water temperature readings average 74°F; they do not cover the whole year, so this is not a yearly average. pH averages 8.1. These readings span 2017. The latest reading is from 2017, more than three years ago: read these numbers as history, not as the water today.

Where this data comes from

  • USGS / NYC DEP — USGS / NYC DEP: depth contours: class A, a survey of the bottom.
  • Webster, K.E., McCullough, I.M., Soranno, P.A. LAGOS-US DEPTH v1.0, EDI, doi:10.6073/pasta/64ddc4d04661d9aef4bd702dc5d8984f (CC BY 4.0); Cheruvelil et al. LAGOS-US LOCUS v1.0 (EDI) — LAGOS-US DEPTH v1.0: Lake depth for 17,675 lakes in the conterminous U.S.: class B, a depth figure measured and published by an agency, without a bottom map.