563.97 ft Reclamation project datum
level 3.0 ft below full pool — this gauge's public record is too short for seasonal comparisons
Reading from California DWR — California Data Exchange Center (CDEC station CSI); it refreshes with each site update rather than live.
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.
- 2026 (wettest on record)
- 2022 (driest on record)
- 2025 (last year)
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 | 567.00 ft Reclamation project datum · per Casitas Municipal Water District full-pool reference |
|---|---|
| Conservation capacity | 238,000 acre-feet · per Casitas Municipal Water District capacity reference |
| Gauge | CDEC station CSI · California DWR — California Data Exchange Center |
| Datum | Reclamation project datum |
| Last verified | August 15, 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
How full is Lake Casitas right now?
Lake Casitas is at 563.97 ft (Reclamation project datum) as of August 14, 2026 — 3.0 ft below full pool — this gauge's public record is too short for seasonal comparisons
Is Lake Casitas full?
Not quite — at 563.97 ft, Lake Casitas is 3.0 ft below its full pool of 567.00 ft (Reclamation project datum).
What is full pool for Lake Casitas?
Full pool (the conservation pool) for Lake Casitas is 567.00 ft Reclamation project datum, per Casitas Municipal Water District full-pool reference. Levels above it use flood storage; levels below it are drawdown.