Lake Sonoma Water Level Today

Current elevation 443.36 ft 7.74 ft below full pool (451.10 ft)

▼ 0.01 ft in 24 h▼ 0.57 ft in 7 days 23.29 ft above the average for this date Storage 225,289 acre-ft

Reported Nov 4, 2026, 3:00 AM PST · Elevation above NGVD 1929 · U.S. Army Corps of Engineers, station Lake Sonoma

As of Nov 4, 2026, 3:00 AM PST, Lake Sonoma is at 443.36 ft, 7.74 ft below full pool. The level has fallen 0.57 ft over the last 7 days. That is 23.29 ft above the average for this date.

Lake Sonoma level history

Level Full pool Average for this date, previous 5 years

Last 14 days
Date	Elevation	Daily change	Storage
Nov 4, 2026	443.36 ft	−0.01 ft	225,289 acre-ft
Nov 3, 2026	443.37 ft	−0.06 ft	225,319 acre-ft
Nov 2, 2026	443.43 ft	−0.11 ft	225,467 acre-ft
Nov 1, 2026	443.54 ft	−0.10 ft	225,743 acre-ft
Oct 31, 2026	443.64 ft	−0.10 ft	225,983 acre-ft
Oct 30, 2026	443.74 ft	−0.11 ft	226,241 acre-ft
Oct 29, 2026	443.85 ft	−0.08 ft	226,503 acre-ft
Oct 28, 2026	443.93 ft	−0.09 ft	226,723 acre-ft
Oct 27, 2026	444.02 ft	−0.08 ft	226,927 acre-ft
Oct 26, 2026	444.10 ft	−0.07 ft	227,124 acre-ft
Oct 25, 2026	444.17 ft	−0.10 ft	227,323 acre-ft
Oct 24, 2026	444.27 ft	−0.09 ft	227,554 acre-ft
Oct 23, 2026	444.36 ft	−0.08 ft	227,782 acre-ft
Oct 22, 2026	444.44 ft	−0.07 ft	227,993 acre-ft

Is Lake Sonoma full?

Lake Sonoma is not full: at 443.36 ft it is 7.74 ft below full pool (451.10 ft). Over the last 7 days the level changed by −0.57 ft.

How does Lake Sonoma compare with other years?

The average for this date over the previous 5 years is 420.07 ft, so today’s level is 23.29 ft above the average for this date.

Lake Sonoma level history

In the 1825 days we have on record (Nov 3, 2021 to Nov 4, 2026), the highest level was 470.06 ft on Mar 15, 2023 and the lowest was 376.33 ft on Dec 9, 2022.

Lake Sonoma storage

The reservoir held 225,289 acre-ft of water at the last reading (Nov 4, 2026, 3:00 AM PST).

Lakes near Lake Sonoma

Clear Lake 22 mi · 1,322.47 ft Lake Mendocino 34 mi · 724.25 ft Indian Valley Reservoir 36 mi · 1,457.81 ft Black Butte Lake 82 mi · 435.72 ft San Andreas Lake 84 mi · 444.13 ft Pilarcitos Lake 87 mi · 676.39 ft

All California lake levels

FAQ

What is the Lake Sonoma water level today?

443.36 ft as of Nov 4, 2026, 3:00 AM PST, reported by the U.S. Army Corps of Engineers.

What is full pool for Lake Sonoma?

451.10 ft, according to the official source linked on this page.

How often is this page updated?

Every 3 hours. The gauge reports every hour.

What is the highest and lowest level of Lake Sonoma?

In the period we have (since Nov 3, 2021): 470.06 ft and 376.33 ft.

Data: U.S. Army Corps of Engineers, station Lake Sonoma (official page). Full pool: official source. For information only. Not for navigation or flood safety decisions. Check the official source. LakeLevelHQ is not affiliated with any government agency.