Upper Klamath Lake lake and shoreline

Upper Klamath Lake Water Level

Oregon

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Upper Klamath Lake is currently at a water-surface elevation of 4141.1 feet.

4141.14 ft · Updated 1 hour ago · U.S. Geological Survey (USGS)

Current level

4,141.14ft

Status unavailable

A verified operating range is not available for this lake.

Since last reading

Down 0.01 ft

Previous readingSep 94,141.16 ft

7-day change

Down 0.03 ft

7-day trend: Falling

4 daily readings in the last 7 days

30-day change

Down 0.03 ft

4 daily readings in the last 30 days

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Water Level History

Elevation (ft) Water-surface elevation (ft)

4141 ft4141 ft4141 ftSep 8Sep 11

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.

Watershed drought

Moderate Drought

100% of watershed in official drought (D1+).

Severity

NoneExtreme
Trend
Improving

Watershed drought conditions

Klamath County, OR

Moderate Drought

Moderate Drought. Moderate drought is affecting the watershed.. Trend: Improving compared with last week. Official drought yes

Severity

NoneExtreme

Weekly trend

Improving

Compared with last week

Official drought

Yes

100% of the watershed is currently classified as official drought (D1+).

Expected impacts

  • Stream inflows may run below normal
  • Lake levels can decline faster between rain events
  • Vegetation stress may increase over time

U.S. Drought Monitor · map date Sep 8, 2026. Updated weekly. droughtmonitor.unl.eduView drought map for Klamath County, OR

Daily level summary

  • Sep 10, 2026

    4,141.15 ft

    -0.01 ft

  • Sep 9, 2026

    4,141.16 ft

    -0.01 ft

  • Sep 8, 2026

    4,141.17 ft

    -0.01 ft

  • Sep 7, 2026

    4,141.18 ft

    —

Common questions about Upper Klamath Lake’s water level

  • The current water level at Upper Klamath Lake is 4,141.14 ft (updated 1 hour 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 falling — falling 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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