STP vs ETP vs WTP - Which Water Treatment Plant Do You Need?
Water Treatment August 7, 2026 Aqua Planner India 5 min read 6 views

STP vs ETP vs WTP - Which Water Treatment Plant Do You Need?

Sewage Treatment Plants (STP), Effluent Treatment Plants (ETP), and Water Treatment Plants (WTP) each serve a different purpose. Understanding the distinction is the first step to specifying the right system for your project.

Quick Comparison

STP treats domestic sewage for reuse or safe discharge. ETP treats industrial effluent to meet regulatory discharge norms. WTP purifies raw water into potable or process-grade water.

Written By

Aqua Planner India

Aqua Planner India