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Reservoir · Texas · United States · TWDB

Canyon Lake

97.6% full

Capacity

467.22 hm³

Volume stored

456 hm³

Vs month average

144% of normal

Coordinates

29.869°N, 98.199°W

Last updated

2026-10-13

Current fill

97.6%
High

vs 7 days ago

-0.3%

losing

vs 1 year ago

+31.9%

year-over-year

7-day trend

→

stable

Drought context

Storage vs October average

144%of normal

97.6% full on 2026-10-13, against an average of 68.0% for October across 5 years of readings (+29.6 points).

Data source: Texas Water Development Board (Water Data for Texas) — daily reservoir storage volume. Design capacity is unavailable for this site, so fill % is estimated against the 5-year maximum storage and may overstate fullness. Last reading: 2026-10-13.

Catchment Weather

Past 30 days + 14-day forecast · Open-Meteo

About Canyon Lake

As of October 13, 2026, Canyon Lake is filled to 97.6% of its total capacity, holding roughly 456 hm³ of water out of a maximum 467 hm³. At this level the reservoir is high.

Over the most recent week on record the fill level has held broadly steady (-0.3 pts), and it is 31.9 points above its level on the same date a year earlier.

Across the readings we hold for Canyon Lake — 1460 data points between October 15, 2022 and October 13, 2026 — the level has ranged from a low of 45.1% (May 26, 2025) to a high of 100.0% (July 21, 2026). On average the reservoir is fullest around August and at its lowest around May.

It is operated by TWDB primarily for multiple purposes. It lies within the Texas basin at 29.869°N, 98.199°W.

Key facts

Current fill level
97.6%
Water stored
456 hm³
Total capacity
467 hm³
7-day change
▼ 0.3 pts
Year-on-year
▲ 31.9 pts
Primary use
Multipurpose
River basin
Texas
Operator
TWDB
Coordinates
29.869°N, 98.199°W
Last updated
October 13, 2026

Recent readings

DateFill levelVolume (hm³)
13 Oct 202697.6%456
12 Oct 202697.6%456
11 Oct 202697.7%456
10 Oct 202697.7%457
9 Oct 202697.8%457
8 Oct 202697.9%457
7 Oct 202697.9%457
6 Oct 202697.9%457
5 Oct 202697.9%457
4 Oct 202697.9%457
3 Oct 202697.8%457
2 Oct 202697.7%456

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