Chatfield Reservoir Water Level Today

Also known as Chatfield Lake

Daily level, distance to full pool and history for Chatfield Reservoir, on the South Platte River in Colorado.

Updated · Source: US Army Corps of EngineersUSACE Provisional

Water level Provisional

5,431.71ft

msl · 8:00 AM MST, Nov 9, 2026

  • 12.29 ftbelow full pool (5,444.0 ft)
  • 28,435acre-ft in storage
  • +0.01 ftin 24 h+0.11 ft in 7 days−0.15 ft in 30 days
5,4305,4355,4405,4455,4505,4305,4355,4405,4455,4505,4305,4355,4405,4455,450
  • Full pool
  • 1 yr ago

Is Chatfield Reservoir full?

No. Chatfield Reservoir is 12.29 ft below full pool (5,444.0 ft). It is 3.42 ft lower than a year ago (5,435.13 ft on Nov 9, 2025).

Chatfield Reservoir level history

View data table
DateLevel (ft)
Nov 9, 20265,431.71
Nov 8, 20265,431.70
Nov 7, 20265,431.70
Nov 6, 20265,431.69
Nov 5, 20265,431.68
Nov 4, 20265,431.67
Nov 3, 20265,431.65
Nov 2, 20265,431.62
Nov 1, 20265,431.60
Oct 31, 20265,431.64
Oct 30, 20265,431.68
Oct 29, 20265,431.72
Oct 28, 20265,431.77
Oct 27, 20265,431.81
Oct 26, 20265,431.82
Oct 25, 20265,431.80
Oct 24, 20265,431.80
Oct 23, 20265,431.82
Oct 22, 20265,431.81
Oct 21, 20265,431.81
Oct 20, 20265,431.82
Oct 19, 20265,431.83
Oct 18, 20265,431.83
Oct 17, 20265,431.84
Oct 16, 20265,431.85
Oct 15, 20265,431.86
Oct 14, 20265,431.82
Oct 13, 20265,431.77
Oct 12, 20265,431.80
Oct 11, 20265,431.84
Oct 10, 20265,431.86
  • Chatfield Reservoir level
  • Full pool 5,444.0 ft
  • Above full pool
Source: USACE · Daily averages since 1992

Chatfield Reservoir on Nov 9 in past years

Chatfield Reservoir water level on Nov 9 in past years
YearLevel (ft)vs todayvs full pool
2026today5,431.71—−12.29 ft
20255,435.13+3.42−8.87 ft
20245,436.56+4.85−7.44 ft
20235,442.00+10.29−2.00 ft
20225,428.60−3.11−15.40 ft
20215,432.04+0.33−11.96 ft
20205,429.43−2.28−14.57 ft
20195,427.84−3.87−16.16 ft
20185,431.12−0.59−12.88 ft
20175,429.48−2.23−14.52 ft
20165,430.23−1.48−13.77 ft

Today’s level is the lowest for this date since 2022.

Lake facts

Full pool (conservation pool)
5,444.0 ft msl
Top of flood pool
5,500.0 ft msl
Bottom of conservation pool
5,385.0 ft msl
Highest since 1992
5,448.47 ftJun 20, 2015
Lowest since 1992
5,422.85 ftNov 1, 2006
Data since
Aug 21, 1992
Dam
Chatfield Damcompleted 1973
River
South Platte River
Dam location
Douglas County
Gauge location
39.5587, −105.0621

Dam, river and owner from the National Inventory of Dams (USACE). Records cover Aug 21, 1992 to today (daily averages).

Chatfield Reservoir map and depth

  • Dam and level gauge
Shoreline © OpenStreetMap contributors · Open the full map
Average depth when full
about 32 ftcapacity ÷ surface area
Surface area
about 1,580 acresmeasured on the OpenStreetMap outline
Height of Chatfield Dam
148 ftNational Inventory of Dams

The outline shows the mapped shoreline, not today’s water line: when the lake is low, the water stands back from it.

Weather on the lake

  1. Today71°FHighLow 38°FESE 3–8 mphSunny
  2. Tonight38°FLowSW 5 mphMostly Clear
  3. Tuesday70°FHighLow 36°FWNW 2–8 mphMostly Sunny
  4. Wednesday63°FHighLow 36°FESE 2–7 mphSunny
  5. Thursday66°FHighLow 36°FE 2–8 mphSunny
  6. Friday68°FHighLow 38°FESE 2–8 mphSunny
  7. Saturday66°FHighLow 38°FESE 2–6 mphMostly Sunny

Forecast: National Weather Service for the dam area (39.56, −105.06). Wind speeds are forecasts, not measurements.

Nearby lakes

Quick answers

What is the full pool level of Chatfield Reservoir?
5,444.0 ft above mean sea level, the top of its conservation pool. Above it, water is held in the flood pool (up to 5,500.0 ft) and released through Chatfield Dam when conditions downstream allow.
How much does Chatfield Reservoir need to be full?
Chatfield Reservoir needs 12.29 ft more water to reach full pool (5,444.0 ft), as of Nov 9, 2026.
How deep is Chatfield Reservoir?
Chatfield Reservoir is about 32 ft deep on average when full: 50,369 acre-ft of storage spread over about 1,580 acres of surface. As in most reservoirs, the deepest water is in the old river channel near Chatfield Dam.
Is Chatfield Reservoir rising or falling?
It is rising: +0.11 ft in the last 7 days and +0.01 ft in 24 hours, to 5,431.71 ft on 8:00 AM MST, Nov 9, 2026 (US Army Corps of Engineers).
When was Chatfield Reservoir last full?
It was last at or above full pool (5,444.0 ft) on Jun 22, 2024. On Nov 9, 2026 it was 12.29 ft below.
What is the highest level in our data?
Chatfield Reservoir reached 5,448.47 ft on Jun 20, 2015. The lowest was 5,422.85 ft on Nov 1, 2006 (USACE data since 1992; older records are not in this data set).
How much has Chatfield Reservoir changed in the last year?
In the last 12 months it ranged from 5,431.60 ft (Nov 1, 2026) to 5,437.67 ft (Mar 18, 2026), a swing of 6.07 ft.
How often is this page updated?
This page is updated several times a day with the latest reading from US Army Corps of Engineers. The last reading is from 8:00 AM MST, Nov 9, 2026.

Where this data comes from

Hourly pool elevation from the US Army Corps of Engineers (water.usace.army.mil). 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.