Lake Levels DailyLake Levels Daily

Dillon Reservoir Water Level Today

Also known as Lake Dillon

Daily level, distance to full pool and history for Dillon Reservoir, on the Blue River in Colorado.

Updated · Source: Colorado DWR station DILRESCO Provisional

Water level Provisional

8,977.76ft

msl · 10:45 AM MST, Nov 8, 2026

  • 39.24 ftbelow full pool (9,017.0 ft)
  • −0.08 ftin 24 h−0.78 ft in 7 days−3.64 ft in 30 days
8,9708,9808,9909,0009,0109,0209,0308,9708,9808,9909,0009,0109,0209,0308,9708,9808,9909,0009,0109,0209,030
  • Full pool
  • 1 yr ago

Is Dillon Reservoir full?

No. Dillon Reservoir is 39.24 ft below full pool (9,017.0 ft). It is 22.50 ft lower than a year ago (9,000.26 ft on Nov 8, 2025).

Dillon Reservoir level history

View data table
DateLevel (ft)% full
Nov 8, 20268,977.76—
Nov 7, 20268,977.84—
Nov 6, 20268,977.96—
Nov 5, 20268,978.10—
Nov 4, 20268,978.23—
Nov 3, 20268,978.33—
Nov 2, 20268,978.42—
Nov 1, 20268,978.54—
Oct 31, 20268,978.68—
Oct 30, 20268,978.85—
Oct 29, 20268,979.05—
Oct 28, 20268,979.18—
Oct 27, 20268,979.26—
Oct 26, 20268,979.30—
Oct 25, 20268,979.36—
Oct 24, 20268,979.44—
Oct 23, 20268,979.53—
Oct 22, 20268,979.60—
Oct 21, 20268,979.69—
Oct 20, 20268,979.78—
Oct 19, 20268,979.86—
Oct 18, 20268,979.97—
Oct 17, 20268,980.08—
Oct 16, 20268,980.19—
Oct 15, 20268,980.32—
Oct 14, 20268,980.44—
Oct 13, 20268,980.59—
Oct 12, 20268,980.79—
Oct 11, 20268,980.99—
Oct 10, 20268,981.19—
Oct 9, 20268,981.40—
  • Dillon Reservoir level
  • Full pool 9,017.0 ft
  • Above full pool
Source: Colorado DWR · Daily averages since 2021

Dillon Reservoir on Nov 8 in past years

Dillon Reservoir water level on Nov 8 in past years
YearLevel (ft)vs todayvs full pool
2026today8,977.76—−39.24 ft
20259,000.26+22.50−16.74 ft
20249,003.43+25.67−13.57 ft
20239,006.93+29.17−10.07 ft
20229,006.19+28.43−10.81 ft
20218,999.81+22.05−17.19 ft

Today’s level is the lowest for Nov 8 in records going back to 2021.

Lake facts

Full pool (conservation pool)
9,017.0 ft msl
Highest since 2021
9,018.31 ftJun 24, 2023
Lowest since 2021
8,977.76 ftNov 8, 2026
Data since
Jul 21, 2021
Dam
Dillon Damcompleted 1963
River
Blue River
Owned by
Denver Board of Water Commissioners
Dam location
Summit County
Gauge location
39.6183, −106.0656

Dam, river and owner from the National Inventory of Dams (USACE). Records cover Jul 21, 2021 to today (daily averages).

Weather on the lake

  1. This Afternoon57°FHighLow 22°FNW 6 mphSunny
  2. Tonight22°FLowSW 5 mphMostly Clear
  3. Monday59°FHighLow 25°FW 2–8 mphSunny
  4. Tuesday53°FHighLow 21°FW 2–14 mphMostly Sunny
  5. Wednesday53°FHighLow 23°FWNW 2–7 mphSunny
  6. Thursday57°FHighLow 25°FWNW 1–5 mphSunny
  7. Friday57°FHighLow 25°FW 2–6 mphSunny

Forecast: National Weather Service for the dam area (39.62, −106.07). Wind speeds are forecasts, not measurements.

Nearby lakes

Quick answers

What is the full pool level of Dillon Reservoir?
9,017.0 ft above mean sea level, the top of its conservation pool. Above it, water is released or flows over the spillway of Dillon Dam.
How much does Dillon Reservoir need to be full?
Dillon Reservoir needs 39.24 ft more water to reach full pool (9,017.0 ft), as of Nov 8, 2026.
Is Dillon Reservoir rising or falling?
It is falling: −0.78 ft in the last 7 days and −0.08 ft in 24 hours, to 8,977.76 ft on 10:45 AM MST, Nov 8, 2026 (Colorado Division of Water Resources).
When was Dillon Reservoir last full?
It was last at or above full pool (9,017.0 ft) on Jul 27, 2024. On Nov 8, 2026 it was 39.24 ft below.
What is the highest level in our data?
Dillon Reservoir reached 9,018.31 ft on Jun 24, 2023. The lowest was 8,977.76 ft on Nov 8, 2026 (Colorado DWR data since 2021; older records are not in this data set).
How much has Dillon Reservoir changed in the last year?
In the last 12 months it ranged from 8,977.78 ft (Nov 8, 2026) to 9,000.16 ft (Nov 9, 2025), a swing of 22.38 ft.
How often is this page updated?
This page is updated several times a day with the latest reading from Colorado Division of Water Resources. The last reading is from 10:45 AM MST, Nov 8, 2026.

Where this data comes from

Reservoir elevation from the telemetry of the Colorado Division of Water Resources (station DILRESCO, dwr.state.co.us). Recent readings are provisional and may be revised. 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.