States

Deerfield Reservoir

South Dakota · Reclamation gauge
5,9025,9045,906
Grey bar: 12-month range 5,901.6–5,907.0 ft.
Water level
5,901.62FT
Storage 13,088 acre-feet
The source publishes no % full figure.
7 days −0.70 ft30 days −2.57 ft
Reading for Oct 24, 2026 · page refreshed Oct 25, 21:16 UTC
Source: U.S. Bureau of Reclamation (RISE)
Worth going today?This Afternoon
Looks good
Light wind, dry
Wind5 mph
Rain26%
Temp39°F
Level5,901.6 ft
This AfternoonChance Light Rain · 39°F
E 5 mph · rain 26%
TonightChance Snow Showers · 24°F
E 3 mph · rain 46%
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

5,9025,9035,904ftSep 24Oct 2Oct 9Oct 16Oct 24
5,9025,9035,904ftSep 24Oct 9Oct 24
5,9025,9045,906ftDec 2025Mar 2026May 2026Aug 2026Oct 2026
5,9025,9045,906ftDec 2025May 2026Oct 2026

Field notes

As of Oct 24, 2026, Deerfield Reservoir stood at 5,901.62 ft.

Reclamation reports storage of 13,088 acre-feet for the same day.

Over the past 7 days the lake has been falling (−0.70 ft), and it is −2.57 ft over 30 days.

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

Lake facts

Storage (latest)13,088 acre-feet
Gauge / stationDeerfield Reservoir and Dam
Elevation datumft
Gauge location44.0281, -103.7858

Nearby lakes

Pactola Reservoir15 mi E4,558.98 ft+0.33 ftBelle Fourche Reservoir49 mi N2,957.19 ft+0.34 ftAngostura Reservoir50 mi S3,169.48 ft+0.08 ftKeyhole Reservoir55 mi NW · WY4,083.70 ft−0.06 ftBox Butte Reservoir114 mi S · NE3,984.47 ft+0.21 ft

Common questions

Is Deerfield Reservoir rising or falling?

Over the last 7 days it changed −0.70 ft and over 30 days −2.57 ft.

How full is Deerfield 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.