Effects of October 1981 flood on the quantity and quality of water in selected streams and reservoirs in the Brazos River basin, Texas

The storm that moved across north-central Texas during October 11-13, 1981, produced intense rainfall along a line extending from east of Abilene, Texas to Breckenridge, Texas to north of Mineral Wells, Texas. Rainfall in excess of 20 inches was recorded near Clyde. Texas and in several locations near Breckenridge, Texas.

The large quantity of rainfall in the Hubbard Creek drainage basin caused the water level in Hubbard Creek Reservoir to rise by 13.33f feet and the storage contents of the reservoir to increase from 233,000 to 441,000 acre-feet during 56 hours.

Large quantities of inflow into Possum Kingdom Lake from the Brazos River, Big Cedar Creek basin, and ungaged inflow from the Big Caddo Creek basin, and Rock Creek basin caused the water level to rise 7.54 feet and the storage contents to increase from 505,000 to 653,000 acre-feet during 48 hours.