Oregon · USACE Portland District

Fern Ridge Lake water level

Today's reading against full pool and Fern Ridge Lake's own seasonal history.

FULL POOL 368 370 372 374
Elevation, feet (NGVD29)

as of August 14, 2026

369.25 ft NGVD29

level 4.3 ft below full pool — on the low side for mid-August

Reading comes straight from U.S. Geological Survey National Water Information System (USGS gauge 14168000) and updates live when you load this page.


Fern Ridge Lake through the year

The band is the lake's own normal: where the level has run on each calendar day, 1980–2026. The summer drawdown — and how this year sits in it — shows up without reading a single number.

full pool 355 360 365 370 375 JFMAMJJASOND
Median and normal range by day of year, 1980–2026 · 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.

full pool 355 360 365 370 375 JFMAMJJASOND
  • 2003 (wettest on record)
  • 2001 (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 373.50 ft NGVD29 · per USACE Portland District full-pool reference
Gauge USGS gauge 14168000 · U.S. Geological Survey National Water Information System
Datum NGVD29 — Full pool = NWDP level 'FRN.Elev.Inst.0.Top of Conservation' = 373.5
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 Fern Ridge Lake right now?

Fern Ridge Lake is at 369.25 ft (NGVD29) as of August 14, 2026 — 4.3 ft below full pool — on the low side for mid-August

Is Fern Ridge Lake full?

Not quite — at 369.25 ft, Fern Ridge Lake is 4.3 ft below its full pool of 373.50 ft (NGVD29).

What is full pool for Fern Ridge Lake?

Full pool (the conservation pool) for Fern Ridge Lake is 373.50 ft NGVD29, per USACE Portland District full-pool reference. Levels above it use flood storage; levels below it are drawdown.