Donley’s provided concrete services for the Walterboro Wastewater Treatment Plant
expansion, increasing its capacity from 2.64 MGD to 5.625 MGD. The project included
upgrades to existing systems, infrastructure improvements, and the addition of advanced treatment processes to meet increasing demand efficiently.

Donley’s scope of work included:

• Formwork
• Placement and fnishing
• Rodbusting
• Sequence batch reactor
• Infuent screening structure
• Cascade aeration
• Septage grit vortex
• Tertiary flter pad
• Septage pump pad
• 15,000 SF of 9” site paving, curbs, and sidewalks