Name: Lake Sumner water-level time series
Creator: Lakebrief

Question 1

What is the current water level at Lake Sumner?

Accepted Answer

Lake Sumner's current water level is shown at the top of this page, sourced from USBR RISE catalog item 787 and updated continuously. The 7-day trend, full-pool comparison, and a multi-year history chart are all on this page.

Question 2

What is the full pool elevation for Lake Sumner?

Accepted Answer

Lake Sumner has a full pool elevation of 4261 ft (NGVD29). Surface area at full pool is 4,500 acres.

Question 3

How is Lake Sumner's water level measured?

Accepted Answer

Water-surface elevation for Lake Sumner is measured by USBR RISE catalog item 787. Lakebrief polls the upstream feed continuously and renders the latest reading, recent trend, and multi-year context.

Question 4

What is the historical low water level for Lake Sumner?

Accepted Answer

The lowest recorded modern elevation for Lake Sumner is approximately 4217.3 ft. The low-water advisory threshold for the dashboard is 4235 ft.

Lake Sumner water level