Belle Fourche Reservoir

Name: Belle Fourche Reservoir (South Dakota) water level
Creator: U.S. Bureau of Reclamation

South Dakota · Reclamation gauge

Grey bar: 12-month range 2,955.2–2,973.6 ft.

Water level · NGVD29

2,957.19FT

Storage 61,624 acre-feet

The source publishes no % full figure.

7 days +0.34 ft30 days +1.26 ft

Reading for Oct 24, 2026 · page refreshed Oct 25, 21:53 UTC
Source: U.S. Bureau of Reclamation (RISE)

Worth going today?This Afternoon

Fair – check conditions

Wind up to 17 mph, dry

Wind17 mph

Rain24%

Temp45°F

Level2,957.2 ft

This AfternoonChance Light Rain · 45°F
E 17 mph · rain 24%

TonightRain Showers Likely · 31°F
E 15 mph · rain 58%

NWS forecast for the gauge location. Good = wind ≤ 10 mph and rain ≤ 30%; storms are flagged. Not safety advice – check local conditions, closures and warnings.

Level history

30 days1 year

Field notes

On Oct 24, 2026, Belle Fourche Reservoir was at 2,957.19 (NGVD29) ft.

Reclamation reports storage of 61,624 acre-feet for the same day.

Over the past 7 days the lake has been rising (+0.34 ft), and it is +1.26 ft over 30 days.

Readings come from the Bureau of Reclamation's daily reservoir data for Belle Fourche Reservoir and Dam.

Lake facts

Storage (latest)	61,624 acre-feet
Gauge / station	Belle Fourche Reservoir and Dam
Elevation datum	ft (NGVD29)
Gauge location	44.7367, -103.6742

Nearby lakes

Pactola Reservoir47 mi S4,558.98 ft+0.33 ft Deerfield Reservoir49 mi S5,901.62 ft−0.70 ft Keyhole Reservoir60 mi SW · WY4,083.70 ft−0.06 ft Angostura Reservoir97 mi S3,169.48 ft+0.08 ft Shadehill Reservoir100 mi NE2,265.07 ft−0.16 ft

Common questions

Is Belle Fourche Reservoir rising or falling?

Over the last 7 days it changed +0.34 ft and over 30 days +1.26 ft.

How full is Belle Fourche Reservoir?

Reclamation publishes the water surface elevation for this gauge but not a percent-full figure, so we don't show one rather than estimate it.

How often is this page updated?

The page is rebuilt automatically every day from Reclamation's published data. Values can be revised later by the source agency.

Where does the data come from?

The U.S. Bureau of Reclamation's RISE data portal (data.usbr.gov). Forecasts come from the National Weather Service.

Daily values published by the Bureau of Reclamation. Reclamation data are provisional and subject to revision unless otherwise noted. This page is not affiliated with or endorsed by the Bureau of Reclamation. See data sources.