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Rondout Reservoir Water Level Today

Daily level, distance to full pool and history for Rondout Reservoir, on the Rondout Creek in New York.

Updated · Source: NWS gauge RONN6 Provisional

Water level Provisional

832.03ft

msl · 6:45 PM EST, Nov 8, 2026

  • 7.97 ftbelow full pool (840.0 ft)
  • −0.11 ftin 24 h−2.88 ft in 7 days−5.15 ft in 30 days
832834836838840842832834836838840842832834836838840842
  • Full pool
  • 1 yr ago

Is Rondout Reservoir full?

No. Rondout Reservoir is 7.97 ft below full pool (840.0 ft). It is 3.47 ft lower than a year ago (835.50 ft on Nov 8, 2025).

Rondout Reservoir level history

Full pool 840.0 ft
View data table
DateLevel (ft)% full
Nov 8, 2026832.03—
Nov 7, 2026832.18—
Nov 6, 2026832.35—
Nov 5, 2026832.52—
Nov 4, 2026832.94—
Nov 3, 2026833.48—
Nov 2, 2026834.05—
Nov 1, 2026834.91—
Oct 31, 2026835.81—
Oct 30, 2026836.60—
Oct 29, 2026836.95—
Oct 28, 2026837.11—
Oct 27, 2026837.18—
Oct 26, 2026837.25—
Oct 25, 2026837.21—
Oct 24, 2026837.17—
Oct 23, 2026837.12—
Oct 22, 2026837.12—
Oct 21, 2026837.10—
Oct 20, 2026837.09—
Oct 19, 2026837.08—
Oct 18, 2026837.12—
Oct 17, 2026837.11—
Oct 16, 2026837.12—
Oct 15, 2026837.20—
Oct 14, 2026837.38—
Oct 13, 2026837.40—
Oct 12, 2026837.35—
Oct 11, 2026837.19—
Oct 10, 2026837.17—
Oct 9, 2026837.18—
  • Rondout Reservoir level
  • Full pool 840.0 ft
  • Above full pool
Source: NOAA NWPS · Daily averages since 2012

Rondout Reservoir on Nov 8 in past years

Rondout Reservoir water level on Nov 8 in past years
YearLevel (ft)vs todayvs full pool
2026today832.03—−7.97 ft
2025835.50+3.47−4.50 ft
2024822.00−10.03−18.00 ft
2023835.85+3.82−4.15 ft
2022834.99+2.96−5.01 ft
2021835.44+3.41−4.56 ft
2020835.75+3.72−4.25 ft
2019836.86+4.83−3.14 ft
2018837.92+5.89−2.08 ft
2017836.24+4.21−3.76 ft
2016836.23+4.20−3.77 ft

Today’s level is the lowest for this date since 2024.

Lake facts

Full pool (conservation pool)
840.0 ft msl
Highest since 2012
840.64 ftJun 14, 2013
Lowest since 2012
821.68 ftOct 30, 2024
Data since
May 31, 2012
Dam
Merriman Damcompleted 1945
River
Rondout Creek
Owned by
Nycdep Dams West of the Hudson River
Dam location
Ulster County
Gauge location
41.7992, −74.4300

Dam, river and owner from the National Inventory of Dams (USACE). Records cover May 31, 2012 to today (daily averages).

Weather on the lake

  1. Tonight39°FLowW 7 mphPartly Cloudy then Slight Chance Rain Showers
  2. Monday52°FHighLow 37°FW 6–15 mphChance Rain Showers then Partly Sunny
  3. Tuesday58°FHighLow 36°FW 6–9 mphMostly Sunny
  4. Wednesday57°FHighLow 35°FW 3–7 mphMostly Sunny
  5. Thursday47°FHighLow 34°FE 2–6 mphLight Rain Likely
  6. Friday39°FHighLow 30°FNE 10 mphRain and Snow Likely
  7. Saturday41°FHighLow 30°FNW 7–10 mphChance Rain and Snow

Forecast: National Weather Service for the dam area (41.80, −74.43). Wind speeds are forecasts, not measurements.

Nearby lakes

Quick answers

What is the full pool level of Rondout Reservoir?
840.0 ft above mean sea level, the top of its conservation pool. Above it, water is released or flows over the spillway of Merriman Dam.
How much does Rondout Reservoir need to be full?
Rondout Reservoir needs 7.97 ft more water to reach full pool (840.0 ft), as of Nov 8, 2026.
Is Rondout Reservoir rising or falling?
It is falling: −2.88 ft in the last 7 days and −0.11 ft in 24 hours, to 832.03 ft on 6:45 PM EST, Nov 8, 2026 (NOAA National Water Prediction Service).
When was Rondout Reservoir last full?
It was last at or above full pool (840.0 ft) on May 11, 2025. On Nov 8, 2026 it was 7.97 ft below.
What is the highest level in our data?
Rondout Reservoir reached 840.64 ft on Jun 14, 2013. The lowest was 821.68 ft on Oct 30, 2024 (NOAA NWPS data since 2012; older records are not in this data set).
How much has Rondout Reservoir changed in the last year?
In the last 12 months it ranged from 832.06 ft (Nov 8, 2026) to 839.52 ft (Jun 1, 2026), a swing of 7.46 ft.
How often is this page updated?
This page is updated several times a day with the latest reading from NOAA National Water Prediction Service. The last reading is from 6:45 PM EST, Nov 8, 2026.

Where this data comes from

Lake level reported by Nycdep Dams West of the Hudson River through the National Weather Service (gauge RONN6, water.noaa.gov); history from the Iowa Environmental Mesonet archive of the same reports. Recent readings are provisional. Weather from the National Weather Service. Dam details from the National Inventory of Dams.

Lake Levels Daily is an independent site, not affiliated with TWDB, LCRA, USACE, USGS, NOAA, TVA or any lake operator. Check official sources before making safety decisions.