Texas · USACE Fort Worth District

Stillhouse Hollow Lake water level

Today's reading against full pool and Stillhouse Hollow Lake's own seasonal history.

FULL POOL 615 620
Elevation, feet (NGVD29)

as of August 14, 2026

621.97 ft NGVD29

level At full pool — typical for mid-August

Reading comes straight from U.S. Geological Survey National Water Information System (USGS gauge 08104050) and updates live when you load this page.


Stillhouse Hollow Lake through the year

The band is the lake's own normal: where the level has run on each calendar day, 1988–2026. The summer drawdown — and how this year sits in it — shows up without reading a single number.

full pool 610 615 620 625 630 JFMAMJJASOND
Median and normal range by day of year, 1988–2026 · 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 600 620 640 660 JFMAMJJASOND
  • 2007 (wettest on record)
  • 2023 (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 622.00 ft NGVD29 · per USACE Fort Worth District full-pool reference
Conservation capacity 229,796 acre-feet · per USACE Fort Worth District capacity reference
Gauge USGS gauge 08104050 · U.S. Geological Survey National Water Information System
Datum NGVD29 — USGS param 62614 ft NGVD29
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 Stillhouse Hollow Lake right now?

Stillhouse Hollow Lake is at 621.97 ft (NGVD29) as of August 14, 2026 — At full pool — typical for mid-August

Is Stillhouse Hollow Lake full?

Yes — at 621.97 ft, Stillhouse Hollow Lake is at full pool (622.00 ft NGVD29).

What is full pool for Stillhouse Hollow Lake?

Full pool (the conservation pool) for Stillhouse Hollow Lake is 622.00 ft NGVD29, per USACE Fort Worth District full-pool reference. Levels above it use flood storage; levels below it are drawdown.