STP & ETP Solutions
Water is a resource that no business can afford to waste. Whether it’s sewage or industrial effluent, untreated discharge can lead to regulatory fines, reputational damage, and environmental harm.
Modern water management isn’t just about setting up new systems – it’s about making existing ones perform better.
At Avris, we combine over 40 years of collective experience in Sewage Treatment Plants (STP) and Effluent Treatment Plants (ETP) to help organizations treat, reuse, and manage water responsibly. Whether you need a new installation or want to retrofit an underperforming system, we deliver customized, efficient, and compliant solutions that fit your operational goals.

Why Customers Choose Avris
Expertise in Retrofitting
Proven success in reviving inefficient plants to exceed discharge norms.
Sustainable Technology
Biological treatment systems designed for low energy consumption and minimal chemical dependency.
Cost-Effective Solutions
Retrofitting saves up to 40–60% of the cost of a new installation.
Regulatory Compliance
Ensure full alignment with local PCB/CPCB and environmental audit requirements.
End-to-End Accountability
From design to maintenance, we handle everything under one roof.
Our Process







Let’s Connect
We’d love to learn about your challenges. Schedule a meeting to start a conversation.