Granger Dam
Dam in Williamson County, Texas · San Gabriel River · forms Granger Lake
Height
115 ft
35 m (NID height)
Length
15,240 ft
4,645 m
Completed
1979
Granger Lake today
503.81 ft
7 days ▼ 0.09 ft
vs full pool
▼ 0.19 ft
Normal storage
65,500 acre-ft
Normal for the date
Reservoir level measured Oct 23, 2026, 10:45 AM CDT. Full level page →
Facts
- Purposes
- Water Supply; Fish and Wildlife Pond; Recreation; Flood Risk Reduction
- Dam type
- Earth
- Structural height
- 115 ft
- Owner
- USACE - Fort Worth District (Federal)
- Maximum storage
- 650,000 acre-ft
- Surface area
- 4,400 acres
- Hydraulic height
- 114 ft
- Drainage area
- 475 sq mi
- Spillway
- Uncontrolled, 950 ft wide
- Army Corps district
- Fort Worth District
- Also known as
- Granger Lake
- NID ID
- TX08005
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Sep 30, 2026. Search NID ID TX08005 at nid.sec.usace.army.mil. Project website.