170.85 ft NAVD88
level Current reading shown; this gauge's public record is too short for seasonal comparisons.
Reading comes straight from U.S. Army Corps of Engineers Access to Water data (USACE series Cypress Byu Lake.Elev.Inst.15Minutes.0.DCP-rev) and updates live when you load this page.
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 (this year)
- 2025 (last year, driest on record)
- 2021 (wettest 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 | USACE series Cypress Byu Lake.Elev.Inst.15Minutes.0.DCP-rev · U.S. Army Corps of Engineers Access to Water data |
| Datum | NAVD88 |
| 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
How full is Cypress Bayou Reservoir right now?
Cypress Bayou Reservoir is at 170.85 ft (NAVD88) as of August 20, 2026 — Current reading shown; this gauge's public record is too short for seasonal comparisons.
Is Cypress Bayou Reservoir full?
City of Bossier City doesn't publish a conservation-pool figure for Cypress Bayou Reservoir, so this page shows the latest reading straight from the gauge.
What is full pool for Cypress Bayou Reservoir?
City of Bossier City doesn't publish a single conservation-pool elevation for Cypress Bayou Reservoir. The reading above comes straight from the operator's gauge.