Green Mountain Reservoir Water Level Today
Daily level, distance to full pool and history for Green Mountain Reservoir, on the Blue River in Colorado.
Updated · Source: Bureau of ReclamationReclamation
Water level
7,828.79ft
- 121.21 ftbelow full pool (7,950.0 ft)
- +0.47 ftin 24 h+2.45 ft in 7 days−0.49 ft in 30 days
- Full pool
- 1 yr ago
Is Green Mountain Reservoir full?
No. Green Mountain Reservoir is 121.21 ft below full pool (7,950.0 ft). It is 64.85 ft lower than a year ago (7,893.64 ft on Nov 7, 2025).
Green Mountain Reservoir level history
View data table
| Date | Level (ft) | % full |
|---|---|---|
| Nov 7, 2026 | 7,828.79 | — |
| Nov 6, 2026 | 7,828.32 | — |
| Nov 5, 2026 | 7,827.83 | — |
| Nov 4, 2026 | 7,827.35 | — |
| Nov 3, 2026 | 7,827.09 | — |
| Nov 2, 2026 | 7,826.79 | — |
| Nov 1, 2026 | 7,826.39 | — |
| Oct 31, 2026 | 7,826.34 | — |
| Oct 30, 2026 | 7,826.07 | — |
| Oct 29, 2026 | 7,825.48 | — |
| Oct 28, 2026 | 7,824.96 | — |
| Oct 27, 2026 | 7,824.77 | — |
| Oct 26, 2026 | 7,824.83 | — |
| Oct 25, 2026 | 7,825.01 | — |
| Oct 24, 2026 | 7,825.27 | — |
| Oct 23, 2026 | 7,825.54 | — |
| Oct 22, 2026 | 7,825.75 | — |
| Oct 21, 2026 | 7,825.94 | — |
| Oct 20, 2026 | 7,826.17 | — |
| Oct 19, 2026 | 7,826.42 | — |
| Oct 18, 2026 | 7,826.72 | — |
| Oct 17, 2026 | 7,827.01 | — |
| Oct 16, 2026 | 7,827.30 | — |
| Oct 15, 2026 | 7,827.57 | — |
| Oct 14, 2026 | 7,827.82 | — |
| Oct 13, 2026 | 7,828.11 | — |
| Oct 12, 2026 | 7,828.40 | — |
| Oct 11, 2026 | 7,828.65 | — |
| Oct 10, 2026 | 7,828.87 | — |
| Oct 9, 2026 | 7,829.07 | — |
| Oct 8, 2026 | 7,829.28 | — |
Full pool 7,950.0 ftLow 7,824.77 ft · Oct 27High 7,893.59 ft · Nov 8
View data table
| Month | Low (ft) | High (ft) |
|---|---|---|
| Nov 2026 | 7,826.39 | 7,828.79 |
| Oct 2026 | 7,824.77 | 7,829.93 |
| Sep 2026 | 7,830.06 | 7,842.33 |
| Aug 2026 | 7,843.57 | 7,855.60 |
| Jul 2026 | 7,857.12 | 7,879.14 |
| Jun 2026 | 7,879.97 | 7,890.01 |
| May 2026 | 7,876.35 | 7,883.93 |
| Apr 2026 | 7,879.78 | 7,887.99 |
| Mar 2026 | 7,885.90 | 7,887.60 |
| Feb 2026 | 7,887.81 | 7,889.41 |
| Jan 2026 | 7,889.23 | 7,891.28 |
| Dec 2025 | 7,891.26 | 7,892.22 |
| Nov 2025 | 7,892.29 | 7,893.64 |
Full pool 7,950.0 ft
View data table
| Year | Low (ft) | High (ft) |
|---|---|---|
| 2026 | 7,824.96 | 7,891.11 |
| 2025 | 7,883.95 | 7,937.39 |
| 2024 | 7,898.00 | 7,949.32 |
| 2023 | 7,902.48 | 7,949.54 |
| 2022 | 7,879.16 | 7,939.45 |
| 2021 | 7,884.90 | 7,925.38 |
| 2020 | 7,896.64 | 7,949.64 |
| 2019 | 7,878.93 | 7,949.60 |
| 2018 | 7,888.97 | 7,947.47 |
| 2017 | 7,893.82 | 7,949.75 |
| 2016 | 7,902.07 | 7,905.47 |
Full pool 7,950.0 ftHighest 7,949.97 ft · Jun 30, 2005Lowest 7,824.77 ft · Oct 27, 2026
View data table
| Decade | Low (ft) | High (ft) |
|---|---|---|
| 2020s | 7,824.77 | 7,949.55 |
| 2010s | 7,879.08 | 7,949.81 |
| 2000s | 7,864.05 | 7,949.67 |
| 1990s | 7,895.51 | 7,949.24 |
- Green Mountain Reservoir level
- Full pool 7,950.0 ft
- Above full pool
Green Mountain Reservoir on Nov 7 in past years
Lake facts
- Highest since 1998
- 7,949.97 ftJun 30, 2005
- Lowest since 1998
- 7,824.77 ftOct 27, 2026
- Data since
- Dec 31, 1998
- Dam
- Green Mountain Damcompleted 1943
- River
- Blue River
- Owned by
- Bureau of Reclamation
- Dam location
- Summit County
- Gauge location
- 39.8789, −106.3133
Dam, river and owner from the National Inventory of Dams (USACE). Records cover Dec 31, 1998 to today (daily averages).
Weather on the lake
- This Afternoon57°FHighLow 25°FW 5 mphSunny
- Tonight25°FLowS 2–6 mphMostly Clear
- Monday59°FHighLow 28°FNW 2–6 mphSunny
- Tuesday55°FHighLow 26°FWSW 2–12 mphMostly Sunny
- Wednesday54°FHighLow 27°FW 0–5 mphSunny
- Thursday57°FHighLow 28°FWNW 2 mphSunny
- Friday57°FHighLow 28°FWSW 0–3 mphSunny
Forecast: National Weather Service for the dam area (39.88, −106.31). Wind speeds are forecasts, not measurements.
Nearby lakes
Quick answers
What is the full pool level of Green Mountain Reservoir?
7,950.0 ft above mean sea level, the top of its conservation pool. Above it, water is released or flows over the spillway of Green Mountain Dam.
How much does Green Mountain Reservoir need to be full?
Green Mountain Reservoir needs 121.21 ft more water to reach full pool (7,950.0 ft), as of Nov 7, 2026.
Is Green Mountain Reservoir rising or falling?
It is rising: +2.45 ft in the last 7 days and +0.47 ft in 24 hours, to 7,828.79 ft on Nov 7, 2026 (Bureau of Reclamation).
What is the highest level in our data?
Green Mountain Reservoir reached 7,949.97 ft on Jun 30, 2005. The lowest was 7,824.77 ft on Oct 27, 2026 (Reclamation data since 1998; older records are not in this data set).
How much has Green Mountain Reservoir changed in the last year?
In the last 12 months it ranged from 7,824.77 ft (Oct 27, 2026) to 7,893.59 ft (Nov 8, 2025), a swing of 68.82 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.