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Geist Reservoir Water Level Today

Daily level, distance to full pool and history for Geist Reservoir, on the Fall Creek in Indiana.

Updated · Source: NWS gauge OLNI3 Provisional

Water level Provisional

784.42ft

msl · 9:45 AM EST, Nov 9, 2026

  • 0.14 ftbelow full pool (784.6 ft)
  • +0.01 ftin 24 h0.00 ft in 7 days−0.03 ft in 30 days
784786788784786788784786788
  • Full pool
  • 1 yr ago

Is Geist Reservoir full?

No. Geist Reservoir is 0.14 ft below full pool (784.6 ft). It is 0.37 ft higher than a year ago (784.05 ft on Nov 9, 2025).

Geist Reservoir level history

Full pool 784.6 ft
View data table
DateLevel (ft)
Nov 9, 2026784.42
Nov 8, 2026784.42
Nov 7, 2026784.43
Nov 6, 2026784.43
Nov 5, 2026784.43
Nov 4, 2026784.44
Nov 3, 2026784.42
Nov 2, 2026784.42
Nov 1, 2026784.42
Oct 31, 2026784.42
Oct 30, 2026784.43
Oct 29, 2026784.43
Oct 28, 2026784.43
Oct 27, 2026784.43
Oct 26, 2026784.43
Oct 25, 2026784.43
Oct 24, 2026784.43
Oct 23, 2026784.43
Oct 22, 2026784.44
Oct 21, 2026784.44
Oct 20, 2026784.45
Oct 19, 2026784.45
Oct 18, 2026784.46
Oct 17, 2026784.46
Oct 16, 2026784.43
Oct 15, 2026784.41
Oct 14, 2026784.42
Oct 13, 2026784.42
Oct 12, 2026784.43
Oct 11, 2026784.43
Oct 10, 2026784.45
  • Geist Reservoir level
  • Full pool 784.6 ft
  • Above full pool
Source: NOAA NWPS · Daily averages since 2024

Geist Reservoir on Nov 9 in past years

Geist Reservoir water level on Nov 9 in past years
YearLevel (ft)vs todayvs full pool
2026today784.42—−0.14 ft
2025784.05−0.37−0.51 ft
2024784.09−0.33−0.47 ft

Lake facts

Full pool (conservation pool)
784.6 ft msl
Highest since 2024
786.66 ftAug 14, 2026
Lowest since 2024
783.60 ftSep 22, 2024
Data since
May 31, 2024
Dam
Geist Damcompleted 1944
River
Fall Creek
Dam location
Marion County
Gauge location
39.9054, −85.9821

Dam, river and owner from the National Inventory of Dams (USACE). Records cover May 31, 2024 to today (daily averages).

Geist Reservoir map and depth

  • Dam and level gauge
Shoreline © OpenStreetMap contributors · Open the full map
Average depth when full
about 12 ftcapacity ÷ surface area
Surface area
about 1,840 acresmeasured on the OpenStreetMap outline
Height of Geist Dam
44 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. Today62°FHighLow 42°FWSW 2–6 mphSunny
  2. Tonight42°FLowSW 7 mphClear
  3. Tuesday66°FHighLow 39°FW 6 mphSunny
  4. Wednesday63°FHighLow 40°FS 0–5 mphPartly Sunny then Chance Light Rain
  5. Thursday50°FHighLow 31°FNNW 16 mphChance Light Rain
  6. Friday44°FHighLow 29°FNNW 14 mphSlight Chance Rain and Snow then Partly Sunny
  7. Saturday47°FHighLow 31°FNW 5–9 mphMostly Sunny

Forecast: National Weather Service for the dam area (39.91, −85.98). Wind speeds are forecasts, not measurements.

Nearby lakes

Quick answers

What is the full pool level of Geist Reservoir?
784.6 ft above mean sea level, the top of its conservation pool. Above it, water is released or flows over the spillway of Geist Dam.
How much does Geist Reservoir need to be full?
Geist Reservoir needs 0.14 ft more water to reach full pool (784.6 ft), as of Nov 9, 2026.
How deep is Geist Reservoir?
Geist Reservoir is about 12 ft deep on average when full: 21,180 acre-ft of storage spread over about 1,840 acres of surface. As in most reservoirs, the deepest water is in the old river channel near Geist Dam.
Is Geist Reservoir rising or falling?
It is steady: 0.00 ft in the last 7 days and +0.01 ft in 24 hours, to 784.42 ft on 9:45 AM EST, Nov 9, 2026 (NOAA National Water Prediction Service).
When was Geist Reservoir last full?
It was last at or above full pool (784.6 ft) on Aug 29, 2026. On Nov 9, 2026 it was 0.14 ft below.
What is the highest level in our data?
Geist Reservoir reached 786.66 ft on Aug 14, 2026. The lowest was 783.60 ft on Sep 22, 2024 (NOAA NWPS data since 2024; older records are not in this data set).
How much has Geist Reservoir changed in the last year?
In the last 12 months it ranged from 784.04 ft (Nov 17, 2025) to 786.66 ft (Aug 14, 2026), a swing of 2.62 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 9:45 AM EST, Nov 9, 2026.

Where this data comes from

Lake level reported by through the National Weather Service (gauge OLNI3, 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.