738.63 ft NGVD29
level Current reading shown; this gauge's public record is too short for seasonal comparisons.
Reading comes straight from U.S. Geological Survey National Water Information System (USGS gauge 11150100) and updates live when you load this page.
This year vs the years that matter
This year's trace against the finished years this gauge has published. Its public daily record begins in 2022, so the driest and wettest years are not named yet: that takes 8 finished years, and the lake regulars will remember wetter and drier years than any line here.
- 2026 (this year)
- 2025 (last year)
- 2024
- 2023
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 11150100 · 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 Lake San Antonio today?
Lake San Antonio is at 738.63 ft (NGVD29) as of September 30, 2026 — Current reading shown; this gauge's public record is too short for seasonal comparisons.
Is Lake San Antonio full?
Monterey County Water Resources Agency doesn't publish a conservation-pool figure for Lake San Antonio, so this page shows the latest reading straight from the gauge.
What is full pool for Lake San Antonio?
Monterey County Water Resources Agency doesn't publish a single conservation-pool elevation for Lake San Antonio. The reading above comes straight from the operator's gauge.