Archive · 20 Nov 2025
Chennai Startup Uses QR Codes & IoT to Ensure Safe Drinking Water
BookWater is a Chennai-based startup that uses QR codes and IoT to make sure water cans are safe and clean.
They track how many times a can is used and what's in the water.
They also recycle old cans into new things.
This helps keep people healthy and protects the environment.
Right now, they serve 3,000 people in Chennai and want to expand to other cities.
BookWater, founded by two brothers from Chennai, uses QR codes on water cans to track water quality and usage
The startup aims to democratize access to safe drinking water using technology
IoT sensors monitor water cans from filling to delivery, providing transparency and ensuring safety
BookWater upcycles used cans into sustainable products like T-shirts, reducing environmental impact
The startup serves 3,000 users in Chennai and plans to expand to other Indian states
- Who
- Bharath Govindaraghavan and Balachander G, founders of BookWater
- What
- Using QR codes and IoT to track water can usage and quality
- When
- The startup was founded to address water scarcity and pollution in Chennai
- Where
- Chennai, India
- Why
- To provide access to safe drinking water and reduce health risks
- Founders
- Bharath Govindaraghavan (electronics engineer) and Balachander G (environmental law graduate)
- Users Served
- 3,000 in Chennai
- Monthly Cans Delivered
- 50,000
- Upcycling Partner
- Ecoline
- Expansion Plans
- Karnataka, Tamil Nadu, Delhi, and Kolkata