Upper Klamath Lake lake and shoreline

Upper Klamath Lake Water Level

Oregon

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Upper Klamath Lake

Upper Klamath Lake is currently at a water-surface elevation of 4140.7 feet.

4140.66 ft · Updated 2 hours ago · U.S. Geological Survey (USGS)

Current level

4,140.66ft

Status unavailable

Since last reading

Down 0.01 ft

Previous readingOct 244,140.66 ft

7-day change

Up 0.03 ft

7-day trend: Rising

8 daily readings in the last 7 days

30-day change

Down 0.34 ft

28 daily readings in the last 30 days

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Water Level History

Current
4140.66 ft
24h
-0.01 ft
7d
+0.03 ft
30d
-0.34 ft

Elevation (ft) Water-surface elevation (ft)

Reference line is designed full pool.

Water Temperature

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Lake Level Context

Current lake level

Upper Klamath Lake is currently 4140.66 ft. The lake has risen 0.03 ft over the past 7 days and fallen 0.34 ft over the past 30 days.

Upper Klamath Lake Level Details

Reference elevations, recent daily readings, data sources, and answers to common questions.

Conditions & Reference

Level status

Summary updating

This comparison needs the current level and full pool. We use the live feed when present, otherwise the latest daily summary when it includes a pool comparison.

DatumVertical reference for published pool and stage elevations at this lake (from the lake catalog).
Water-surface elevation (ft)
Elevation reference
Not available
Source
U.S. Geological Survey (USGS)

Reference levels

No published reference elevations for this lake.

Surrounding county drought

Moderate Drought

100% of surrounding county in official drought (D1–D4).

Severity

NoneExtreme
Trend
Stable

Surrounding county drought

Klamath County, OR

Moderate Drought

Moderate Drought. The largest share of Klamath County, OR is in Moderate Drought (D1), an official USDM drought category. These figures describe the surrounding county from the lake location, not the lake itself.. Trend: Stable compared with last week. Official drought (D1–D4) yes

Severity

NoneExtreme

Weekly trend

Stable

Compared with last week

Official drought (D1–D4)

Yes

100% of the surrounding county is in official drought categories (D1–D4). Dominant category remains Moderate Drought.

Typical county impacts (USDM guidance)

  • Streamflows in the surrounding county may run below normal
  • Soils and vegetation can dry between rain events
  • Water managers may begin to watch supply more closely

U.S. Drought Monitor · map date Oct 20, 2026. Updated weekly. Official drought means U.S. Drought Monitor categories D1–D4 (Moderate through Exceptional). Abnormally Dry (D0) is not counted as official drought. droughtmonitor.unl.eduView drought map for Klamath County, OR

Daily level summary

DateLevelChange
Oct 25, 20264,140.65-0.01
Oct 24, 20264,140.660
Oct 23, 20264,140.66-0.01
Oct 22, 20264,140.67+0.05
Oct 21, 20264,140.620
Oct 20, 20264,140.62-0.01
Oct 19, 20264,140.63+0.01

Common questions about Upper Klamath Lake’s water level

  • The current water level at Upper Klamath Lake is 4,140.66 ft (updated 2 hours ago). You can track the Upper Klamath Lake lake level on the interactive chart and daily history above.

  • The current 7-day trend for the Upper Klamath Lake lake level is rising — rising about 0.03 ft over the past week. See the history chart above for the full picture.

  • Readings refresh when U.S. Geological Survey (USGS) publishes new gauge data — typically daily for most reservoirs. The timestamp above the chart shows when the latest observation arrived on Lake Insights.

Lake level glossary

Definitions for pool targets, datums, and how elevation readings are labeled.

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