Navarro SWCD #514 located in Corsicana

A Cooperative Effort to Repair Flood Damaged FP Sites Bobby Wilson Navarro Co. SWCD #514

The Storm June 9, 2010 – Navarro Co. - A storm system stalled-out and dumped 15-18” of rain into the Richland Creek Watershed near the community of Dawson. Although the storm lasted 12 hours, most of the rain fell within the last 6 hours.

The Next Morning Navarro Co. Emergency Management personnel were aware of the flooding. TCEQ Dam Safety office was contacted.

Inspecting the Damage A DPS helicopter was sent for NRCS officials to inspect dams within the watershed. 13 of the districts FP dams had been overtopped by floodwaters. 3 FP dams had received major damage.

Richland Creek Site 107b

Richland Creek Site 107b

Richland Creek Site 107b This site was at the center of the rainfall activity. The top and backslope was severely damaged.

Richland Creek Site 107b Unique emergency spillway design.

Richland Creek Site 110

Richland Creek Site 110 Floodwaters over-topped dam and caused 3 large washouts on the backslope. Emergency spillway was left with heavy rilling.

Richland Creek Site 31

Richland Creek Site 31 Floodwaters over-topped dam but only damaged the emergency spillway. Damage was caused by cattle trailing in emergency spillway. Gully came within 15-20 ft of the control section.