Crater Lake Water Level

Oregon · updated daily from the U.S. Geological Survey

6166.68 ft

Crater Lake is low for this time of year and steady (-0.13 ft in the last 7 days).

Change since yesterday: -0.02 ft

Reading as of 2026-08-14 · higher than 10% of August readings on record

Where Crater Lake sits historically

TODAY 6166.68 ftRECORD LOW6165.67 ft2022-12-09RECORD HIGH6169.07 ft2025-03-31

Today's level compared with every reading in our 5.0-year record for this lake.

Since yesterday

-0.02 ft

7-day change

-0.13 ft

30-day change

-0.52 ft

1-year change

-1.31 ft

Last 30 days

2026-07-156166.6–6167.3 ft2026-08-14

Last 12 months

2025-08-146166.5–6168.1 ft2026-08-14

Full history (5.0 years)

2021-08-166165.3–6169.5 ft2026-08-11

Crater Lake records and averages

Current level6166.68 ft
Record high6169.07 ft (2025-03-31)
Record low6165.67 ft (2022-12-09)
Average of all readings6167.2 ft
Data span5.0 years (1,824 readings)

Frequently asked questions

Is Crater Lake full right now?

As of 2026-08-14, Crater Lake sits at 6166.68 ft, which is low for this time of year.Over the past 30 days the level has fallen 0.52 ft.

What is the water level at Crater Lake today?

The most recent reading is 6166.68 ft (2026-08-14), sourced from the U.S. Geological Survey. Readings on this page refresh automatically as the agency publishes new data.

What is the highest Crater Lake has ever been?

The highest level in our records is 6169.07 ft on 2025-03-31. The lowest is 6165.67 ft on 2022-12-09. Our record covers about 5.0 years of readings.

Is Crater Lake low for this time of year?

Compared with every August in our records, the current level is higher than 10% of them — low for this time of year. Seasonal comparison matters more than the raw number, because most reservoirs draw down predictably through late summer and refill over winter and spring.

Why is Crater Lake changing right now?

Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. Crater Lake has fallen 0.52 ft over the past 30 days. For the operational reason on any given week, check the U.S. Geological Survey directly.

How much has Crater Lake changed over the past year?

The level is -1.31 ft compared with this date last year (6166.68 ft today). The full-history chart above covers 5.0 years, with a record high of 6169.07 ft and a record low of 6165.67 ft.

Nearby lakes in Oregon

Diamond Lake water level
5183.98 ft · steady
Lemolo Lake water level
4146.67 ft · steady
Upper Klamath Lake water level
4141.85 ft · falling
Crescent Lake water level
4827.07 ft · falling
Fourmile Lake water level
5726.03 ft · steady
Fish Lake water level
4620.62 ft · steady

Source: the U.S. Geological Survey. Readings are provisional and subject to revision by the publishing agency. All Oregon lake levels.