6127.65 ft USBR project datum
level 38.8 ft below full pool — on the low side for mid-August
Reading comes straight from Bureau of Reclamation RISE (Reclamation RISE item 471) and updates live when you load this page.
Jordanelle Reservoir through the year
The band is the lake's own normal: where the level has run on each calendar day, 1993–2026. The summer drawdown — and how this year sits in it — shows up without reading a single number.
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.
- 1998 (wettest on record)
- 1993 (driest on record)
- 2025 (last year)
- 2026 (this 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 | 6166.40 ft USBR project datum · per USBR CUP / Central Utah WCD full-pool reference |
|---|---|
| Conservation capacity | 320,300 acre-feet · per USBR CUP / Central Utah WCD capacity reference |
| Gauge | Reclamation RISE item 471 · Bureau of Reclamation RISE |
| Datum | USBR project datum — Top of joint use pool 6,166.4 ft; capacity 320,300 ac-ft (USBR projects page). CUWCD alternate: https://data.cuwcd.gov/datasets/public_jd. |
| 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 Jordanelle Reservoir right now?
Jordanelle Reservoir is at 6127.65 ft (USBR project datum) as of August 13, 2026 — 38.8 ft below full pool — on the low side for mid-August
Is Jordanelle Reservoir full?
Not quite — at 6127.65 ft, Jordanelle Reservoir is 38.8 ft below its full pool of 6166.40 ft (USBR project datum).
What is full pool for Jordanelle Reservoir?
Full pool (the conservation pool) for Jordanelle Reservoir is 6166.40 ft USBR project datum, per USBR CUP / Central Utah WCD full-pool reference. Levels above it use flood storage; levels below it are drawdown.