Canyon Dam · Guadalupe River · Texas — updated daily from official gauges
Latest reading
Canyon Lake is 100.0% full as of — surface elevation 909.60 feet, storage 378,781 acre-feet (capacity basis 378,781 acre-feet).
That elevation is its highest July reading since 2019, and 32.64 feet above its record low of 876.96 ft (), in a daily record going back to October 1, 1988 (TWDB's period of record for this reservoir).
Storage is 108% of the July 24 average across 38 years of record.
Water level change: +6.25 ft over the past week, +21.10 ft over the past month, and +17.11 ft over the past year.
Percent full
100.0%
of 378,781 AF
Vs date average
108%
of the Jul 24 storage average since 1988
Elevation
909.60 ft
full pool 909.0 ft
Storage
378,781 AF
+120 KAF vs 1 yr ago
1-week change
+6.25 ft
elevation
1-year change
+17.11 ft
elevation
Canyon Lake vs its record low
In the daily record used by this site (going back to October 1, 1988 (TWDB's period of record for this reservoir)), Canyon Lake's lowest surface elevation was 876.96 feet on , when storage was 170,914 acre-feet. As of , Canyon Lake is at 909.60 feet — 32.64 feet above that record. The record high in the same series was 949.01 ft on .
Canyon Lake storage in context
Reading
Elevation (ft)
Storage (AF)
% full
Today (July 24, 2026)
909.60
378,781
100.0%
One year ago
892.49
258,424
68.2%
Five years ago
906.55
358,947
94.8%
Record low (May 26, 2025)
876.96
170,914
45.1%
Capacity basis
909.00
378,781
100.0%
Canyon Lake water level, past 12 months
Canyon Lake daily surface elevation (feet above sea level), past 12 months. Source: Water Data for Texas (TWDB). Rendered at build time from the official gauge record — no JavaScript.
Canyon Lake elevation, full record
Canyon Lake month-end surface elevation, 1988–2026 — the full daily record fetched from Water Data for Texas (TWDB), one point per month.
Last 14 daily readings
Date
Elevation (ft)
Day change
Storage (AF)
July 24, 2026
909.60
+0.14 ft
378,781
July 23, 2026
909.46
+0.19 ft
378,781
July 22, 2026
909.27
+0.23 ft
378,781
July 21, 2026
909.04
+0.31 ft
378,781
July 20, 2026
908.73
+0.42 ft
376,562
July 19, 2026
908.31
+0.80 ft
373,125
July 18, 2026
907.51
+4.16 ft
366,637
July 17, 2026
903.35
+10.16 ft
334,106
July 16, 2026
893.19
+4.71 ft
262,929
July 15, 2026
888.48
+0.48 ft
233,573
July 14, 2026
888.00
+0.04 ft
230,707
July 13, 2026
887.96
-0.03 ft
230,469
July 12, 2026
887.99
+0.01 ft
230,647
July 11, 2026
887.98
—
230,588
Frequently asked questions
What is the water level of Canyon Lake today?
As of July 24, 2026, Canyon Lake's surface elevation is 909.60 feet, with 378,781 acre-feet in storage — 100.0% of the 378,781 acre-foot capacity basis. Source: Water Data for Texas (TWDB) daily data.
How full is Canyon Lake?
Canyon Lake is 100.0% full as of July 24, 2026. Its storage is 108% of the July 24 average across its record since 1988.
Is Canyon Lake rising or falling?
Canyon Lake is rising: its elevation changed +6.25 feet over the week ending July 24, 2026, +21.10 ft over the past month, and +17.11 feet over the past year. Source: Water Data for Texas (TWDB) daily data.
What was Canyon Lake's lowest water level on record?
Canyon Lake's lowest surface elevation in the daily record since October 1, 1988 was 876.96 feet on May 26, 2025, per the daily record used by this site. As of July 24, 2026 the reservoir is 32.64 feet above that record low.
About this gauge
Canyon Lake on the Guadalupe River between Austin and San Antonio is a US Army Corps of Engineers flood-control and water-supply reservoir.
Data: Texas Water Development Board (Water Data for Texas), daily water level and conservation storage for Canyon Lake. Percent full is conservation storage divided by conservation capacity (378,781 acre-feet at the latest reading), matching TWDB's own methodology. Updated daily.