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Lake Granby Water Level Today

Daily level, distance to full pool and history for Lake Granby, on the Colorado River in Colorado.

Updated · Source: Bureau of ReclamationReclamation

Water level

8,234.50ft

msl · Daily reading for Nov 7, 2026

  • 45.50 ftbelow full pool (8,280.0 ft)
  • −0.09 ftin 24 h−0.15 ft in 7 days−1.22 ft in 30 days
8,2308,2408,2508,2608,2708,2808,2908,3008,2308,2408,2508,2608,2708,2808,2908,3008,2308,2408,2508,2608,2708,2808,2908,300
  • Full pool
  • 1 yr ago

Is Lake Granby full?

No. Lake Granby is 45.50 ft below full pool (8,280.0 ft). It is 31.07 ft lower than a year ago (8,265.57 ft on Nov 7, 2025).

Lake Granby level history

View data table
DateLevel (ft)% full
Nov 7, 20268,234.50—
Nov 6, 20268,234.59—
Nov 5, 20268,234.60—
Nov 4, 20268,234.63—
Nov 3, 20268,234.63—
Nov 2, 20268,234.63—
Nov 1, 20268,234.66—
Oct 31, 20268,234.65—
Oct 30, 20268,234.65—
Oct 29, 20268,234.68—
Oct 28, 20268,234.66—
Oct 27, 20268,234.69—
Oct 26, 20268,234.75—
Oct 25, 20268,234.79—
Oct 24, 20268,234.87—
Oct 23, 20268,234.91—
Oct 22, 20268,234.95—
Oct 21, 20268,234.98—
Oct 20, 20268,235.03—
Oct 19, 20268,235.07—
Oct 18, 20268,235.13—
Oct 17, 20268,235.17—
Oct 16, 20268,235.25—
Oct 15, 20268,235.29—
Oct 14, 20268,235.42—
Oct 13, 20268,235.58—
Oct 12, 20268,235.60—
Oct 11, 20268,235.63—
Oct 10, 20268,235.67—
Oct 9, 20268,235.70—
Oct 8, 20268,235.72—
  • Lake Granby level
  • Full pool 8,280.0 ft
  • Above full pool
Source: Reclamation · Daily readings since 1953

Lake Granby on Nov 7 in past years

Lake Granby water level on Nov 7 in past years
YearLevel (ft)vs todayvs full pool
2026today8,234.50—−45.50 ft
20258,265.57+31.07−14.43 ft
20248,268.91+34.41−11.09 ft
20238,272.01+37.51−7.99 ft
20228,272.09+37.59−7.91 ft
20218,257.45+22.95−22.55 ft
20208,269.04+34.54−10.96 ft
20198,270.23+35.73−9.77 ft
20188,265.53+31.03−14.47 ft
20178,277.38+42.88−2.62 ft
20168,270.76+36.26−9.24 ft

Today’s level is the lowest for this date since 2002.

Lake facts

Full pool (conservation pool)
8,280.0 ft msl
Record high since 1958
8,280.05 ftJul 12, 1962
Record low since 1958
8,190.93 ftApr 15, 1978
Data since
Sep 30, 1953
Dam
Granby Damcompleted 1950
River
Colorado River
Owned by
Bureau of Reclamation
Dam location
Grand County
Gauge location
40.1488, −105.8675

Dam, river and owner from the National Inventory of Dams (USACE). Records start in 1958, after the first filling of the reservoir.

Weather on the lake

  1. This Afternoon56°FHighLow 25°FSW 5 mphSunny
  2. Tonight25°FLowWSW 3 mphMostly Clear
  3. Monday59°FHighLow 27°FW 1–6 mphSunny
  4. Tuesday54°FHighLow 23°FWNW 1–17 mphMostly Sunny
  5. Wednesday53°FHighLow 25°FW 1–8 mphSunny
  6. Thursday56°FHighLow 27°FWSW 0–5 mphSunny
  7. Friday57°FHighLow 27°FWSW 0–6 mphSunny

Forecast: National Weather Service for the dam area (40.15, −105.87). Wind speeds are forecasts, not measurements.

Nearby lakes

Quick answers

What is the full pool level of Lake Granby?
8,280.0 ft above mean sea level, the top of its conservation pool. Above it, water is released or flows over the spillway of Granby Dam.
How much does Lake Granby need to be full?
Lake Granby needs 45.50 ft more water to reach full pool (8,280.0 ft), as of Nov 7, 2026.
Is Lake Granby rising or falling?
It is falling: −0.15 ft in the last 7 days and −0.09 ft in 24 hours, to 8,234.50 ft on Nov 7, 2026 (Bureau of Reclamation).
When was Lake Granby last full?
It was last at or above full pool (8,280.0 ft) on Jul 12, 1962. On Nov 7, 2026 it was 45.50 ft below.
What was the highest level ever recorded?
Lake Granby reached 8,280.05 ft on Jul 12, 1962. The lowest was 8,190.93 ft on Apr 15, 1978 (Reclamation data since 1958).
How much has Lake Granby changed in the last year?
In the last 12 months it ranged from 8,234.50 ft (Nov 7, 2026) to 8,265.44 ft (Nov 8, 2025), a swing of 30.94 ft.
How often is this page updated?
This page is updated every day with the daily reading of the Bureau of Reclamation, which is usually published one or two days later. The last reading is from Nov 7, 2026.

Where this data comes from

Daily elevation from the Bureau of Reclamation (data.usbr.gov). Updated once a day. 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.