California · Bureau of Reclamation (Boca Dam)

Boca Reservoir water level

Today's reading against full pool and Boca Reservoir's own seasonal history.

Searched “Boca lake level” or “lake level for Boca Reservoir”? Same lake, same reading — you're in the right place. The current reading is right here too, whether you typed “current Boca Reservoir water level” or “current water level at Boca Reservoir”.

5560 5570 5580 5590
Elevation, feet (NGVD29)

as of September 30, 2026

5576.56 ft NGVD29

level Reading is typical for late September.

Reading comes straight from U.S. Geological Survey National Water Information System (USGS gauge 10344490) and updates live when you load this page.


Boca Reservoir through the year

The band is the lake's own normal: where the level has run on each calendar day, 2006–2026. The summer drawdown — and how this year sits in it — shows up without reading a single number.

5560 5580 5600 JFMAMJJASOND
Median and normal range by day of year, 2006–2026 · elevation, feet (NGVD29)

This year vs the years that matter

This year's trace against last year and the driest and wettest years on record — the drought-context question every lake regular asks.

5560 5580 5600 JFMAMJJASOND
  • 2026 (this year)
  • 2025 (last year)
  • 2017 (wettest on record)
  • 2015 (driest on record)

Full pool, datum, and the gauge

"Full pool" here means the conservation pool — the level the lake is designed to hold for water supply and recreation, not the flood-control space above it. The full explainer covers flood pool and dead pool too.

Full pool not published by the operator
Gauge USGS gauge 10344490 · U.S. Geological Survey National Water Information System
Datum NGVD29
Last verified August 20, 2026

LakeDates reports lake level, not ramp status. Whether a given ramp or marina is usable at this level varies ramp by ramp — call the marina before you tow.

Quick answers

What is the lake level for Boca Reservoir today?

Boca Reservoir is at 5576.56 ft (NGVD29) as of September 30, 2026 — Reading is typical for late September.

Is Boca Reservoir full?

Bureau of Reclamation (Boca Dam) doesn't publish a conservation-pool figure for Boca Reservoir, so this page shows the reading against the lake's own seasonal history instead.

What is full pool for Boca Reservoir?

Bureau of Reclamation (Boca Dam) doesn't publish a single conservation-pool elevation for Boca Reservoir. The seasonal chart shows the range the lake actually runs instead.