Texas · Vistra (Mountain Creek Power Plant)

Mountain Creek Lake water level

Today's reading against full pool and Mountain Creek Lake's own seasonal history.

FULL POOL 452 454 456 458
Elevation, feet (above mean sea level)

as of August 20, 2026

457.12 ft above mean sea level

100% full share of conservation capacity, as reported with the gauge reading

level 0.1 ft above full pool — typical for mid-August

Reading from Texas Water Development Board — Water Data for Texas (Water Data for Texas — mountain-creek); it refreshes with each site update rather than live.


Mountain Creek Lake through the year

The band is the lake's own normal: where the level has run on each calendar day, 1987–2026. The summer drawdown — and how this year sits in it — shows up without reading a single number.

full pool 456 457 458 JFMAMJJASOND
Median and normal range by day of year, 1987–2026 · elevation, feet (above mean sea level)

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 455 456 457 458 JFMAMJJASOND
  • 2026 (this year)
  • 2025 (last year)
  • 2020 (wettest on record)
  • 1998 (driest 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 457.00 ft above mean sea level · per Water Data for Texas — Mountain Creek Lake
Conservation capacity 22,850 acre-feet · per Water Data for Texas — Mountain Creek Lake
Gauge Water Data for Texas — mountain-creek · Texas Water Development Board — Water Data for Texas
Datum ft above mean sea level
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 Mountain Creek Lake right now?

Mountain Creek Lake is at 457.12 ft (above mean sea level) as of August 20, 2026 — 0.1 ft above full pool — typical for mid-August The lake is holding 100% of its conservation capacity.

What percent full is Mountain Creek Lake?

As of August 20, 2026, Mountain Creek Lake is holding 100% of its conservation capacity, per Water Data for Texas — Mountain Creek Lake.

Is Mountain Creek Lake full?

Yes and then some — at 457.12 ft, Mountain Creek Lake is 0.1 ft above its full pool of 457.00 ft (above mean sea level), using flood storage. The lake is holding 100% of its conservation capacity.

What is full pool for Mountain Creek Lake?

Full pool (the conservation pool) for Mountain Creek Lake is 457.00 ft above mean sea level, per Water Data for Texas — Mountain Creek Lake. Levels above it use flood storage; levels below it are drawdown.