Thief Valley Reservoir

Name: Thief Valley Reservoir (Oregon) water level
Creator: U.S. Bureau of Reclamation

Oregon · Reclamation gauge

Grey bar: 12-month range 3,096.3–3,133.3 ft.

Water level · NGVD29

3,096.44FT

Storage 4 acre-feet

The source publishes no % full figure.

7 days ±0.00 ft30 days ±0.00 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

Windy or wet – use caution

Wind up to 21 mph, dry

Wind14 to 21 mph

Rain0%

Temp59°F

Level3,096.4 ft

This AfternoonMostly Sunny · 59°F
SE 14 to 21 mph · rain 0%

TonightMostly Cloudy then Chance Rain Showers · 34°F
SE 5 to 12 mph · rain 39%

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

Thief Valley Reservoir's latest daily level (Oct 24, 2026) is 3,096.44 (NGVD29) ft.

Reclamation reports storage of 4 acre-feet for the same day.

The level has been roughly steady over the past week (±0.00 ft).

We ignored 1 value(s) in the source series that look like placeholders or one-day spikes (for example 0 or 999.99, or a jump of more than 25 ft in a day); no values were filled in.

Readings come from the Bureau of Reclamation's daily reservoir data for Thief Valley Reservoir and Dam (THF).

Lake facts

Storage (latest)	4 acre-feet
Gauge / station	Thief Valley Reservoir and Dam (THF)
Elevation datum	ft (NGVD29)
Gauge location	45.0130, -117.7811

Nearby lakes

Phillips Lake26 mi SW3,982.68 ft−0.46 ft Unity Reservoir40 mi SW3,786.16 ft−0.04 ft Mann Creek Reservoir61 mi SE · ID2,825.97 ft+0.25 ft McKay Reservoir64 mi NW1,245.09 ft−3.16 ft Bully Creek Reservoir72 mi S2,479.48 ft±0.00 ft

Common questions

Is Thief Valley Reservoir rising or falling?

Over the last 7 days it changed ±0.00 ft and over 30 days ±0.00 ft.

How full is Thief Valley 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.