Lake levels › California › Lake Berryessa
Lake Berryessa water level today
427.74 ft above sea level (the reading for October 18, 2026). Lake Berryessa is falling slowly: down 0.37 ft in the past 7 days and down 1.48 ft over 30 days.
California Department of Water Resources publishes one reading per day for Lake Berryessa; today's value appears once the agency posts it, usually the next morning.
Lake Berryessa level over the last 12 months
12-month low: 427.74 ft (October 18, 2026). High: 439.37 ft (March 12, 2026). Swing: 11.63 ft.
Daily Lake Berryessa levels, last 30 days
| Date | Elevation (ft) | Change |
|---|---|---|
| Oct 18, 2026 | 427.74 | −0.07 ft |
| Oct 17, 2026 | 427.81 | −0.03 ft |
| Oct 16, 2026 | 427.84 | −0.05 ft |
| Oct 15, 2026 | 427.89 | −0.04 ft |
| Oct 14, 2026 | 427.93 | −0.06 ft |
| Oct 13, 2026 | 427.99 | −0.06 ft |
| Oct 12, 2026 | 428.05 | −0.06 ft |
| Oct 11, 2026 | 428.11 | −0.06 ft |
| Oct 10, 2026 | 428.17 | −0.04 ft |
| Oct 9, 2026 | 428.21 | −0.06 ft |
| Oct 8, 2026 | 428.27 | −0.06 ft |
| Oct 7, 2026 | 428.33 | −0.04 ft |
| Oct 6, 2026 | 428.37 | −0.05 ft |
| Oct 5, 2026 | 428.42 | −0.04 ft |
| Oct 4, 2026 | 428.46 | −0.03 ft |
| Oct 3, 2026 | 428.49 | −0.04 ft |
| Oct 2, 2026 | 428.53 | −0.05 ft |
| Oct 1, 2026 | 428.58 | −0.05 ft |
| Sep 30, 2026 | 428.63 | −0.04 ft |
| Sep 29, 2026 | 428.67 | −0.05 ft |
| Sep 28, 2026 | 428.72 | −0.06 ft |
| Sep 27, 2026 | 428.78 | −0.03 ft |
| Sep 26, 2026 | 428.81 | −0.04 ft |
| Sep 25, 2026 | 428.85 | −0.05 ft |
| Sep 24, 2026 | 428.90 | −0.06 ft |
| Sep 23, 2026 | 428.96 | −0.06 ft |
| Sep 22, 2026 | 429.02 | −0.05 ft |
| Sep 21, 2026 | 429.07 | −0.05 ft |
| Sep 20, 2026 | 429.12 | −0.06 ft |
| Sep 19, 2026 | 429.18 | −0.04 ft |
Monthly average levels
| Month | Average | Low | High |
|---|---|---|---|
| Nov 2025 | 428.93 | 428.78 | 429.05 |
| Dec 2025 | 429.42 | 428.57 | 431.70 |
| Jan 2026 | 435.97 | 431.98 | 436.79 |
| Feb 2026 | 437.57 | 436.80 | 439.06 |
| Mar 2026 | 439.26 | 439.03 | 439.37 |
| Apr 2026 | 438.84 | 438.71 | 439.02 |
| May 2026 | 438.26 | 437.42 | 438.83 |
| Jun 2026 | 436.27 | 435.07 | 437.36 |
| Jul 2026 | 433.78 | 432.57 | 434.99 |
| Aug 2026 | 431.38 | 430.32 | 432.51 |
| Sep 2026 | 429.39 | 428.63 | 430.22 |
| Oct 2026 * | 428.18 | 427.74 | 428.58 |
* partial month or year.
Lake Berryessa year by year
| Year | Low | High | Average |
|---|---|---|---|
| 2026 * | 427.74 Oct 18 | 439.37 Mar 16 | 435.15 |
| 2025 | 428.57 Dec 20 | 442.97 Feb 14 | 435.10 |
| 2024 | 422.41 Jan 1 | 439.94 Apr 5 | 433.44 |
| 2023 * | 421.42 Dec 17 | 422.37 Dec 31 | 421.74 |
Lake Berryessa on this date in past years
| Year | Level on this date | Today vs then |
|---|---|---|
| 2025 | 429.25 ft | −1.51 ft |
| 2024 | 428.77 ft | −1.03 ft |
| 2023 | 422.24 ft | +5.50 ft |
Is Lake Berryessa full?
California Department of Water Resources does not publish a full-pool figure in this data feed, so compare today's 427.74 ft with the 12-month range above (427.74 to 439.37 ft) and with past years.
Is Lake Berryessa rising or falling?
Lake Berryessa is falling slowly: down 0.37 ft in the past 7 days and down 1.48 ft over 30 days. In the latest day it moved −0.07 ft.
How does Lake Berryessa compare with last year?
Compared with the same date last year, the lake is 1.51 ft lower. Two years ago on this date it stood at 428.77 ft.
Data source
California Department of Water Resources (California Data Exchange Center (CDEC)), gauge BER; readings since Oct 16, 2023. Official source · how we collect it.
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