Current level
4,140.66ft
Status unavailable

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
Previous readingOct 244,140.66 ft
7-day change
7-day trend: Rising
8 daily readings in the last 7 days
30-day change
28 daily readings in the last 30 days
Elevation (ft) Water-surface elevation (ft)
Reference line is designed full pool.
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Follow Upper Klamath Lake — FreeCurrent 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.
Reference elevations, recent daily readings, data sources, and answers to common questions.
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.
No published reference elevations for this lake.
Moderate Drought
100% of surrounding county in official drought (D1–D4).
Severity
| Date | Level | Change |
|---|---|---|
| Oct 25, 2026 | 4,140.65 | -0.01 |
| Oct 24, 2026 | 4,140.66 | 0 |
| Oct 23, 2026 | 4,140.66 | -0.01 |
| Oct 22, 2026 | 4,140.67 | +0.05 |
| Oct 21, 2026 | 4,140.62 | 0 |
| Oct 20, 2026 | 4,140.62 | -0.01 |
| Oct 19, 2026 | 4,140.63 | +0.01 |
| Oct 18, 2026 | 4,140.62 | -0.02 |
| Oct 17, 2026 | 4,140.64 | -0.01 |
| Oct 16, 2026 | 4,140.65 | -0.01 |
| Oct 15, 2026 | 4,140.66 | 0 |
| Oct 14, 2026 | 4,140.66 | -0.02 |
| Oct 13, 2026 | 4,140.68 | -0.02 |
| Oct 12, 2026 | 4,140.7 | -0.03 |
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.
Definitions for pool targets, datums, and how elevation readings are labeled.