Basic Rainwater Harvesting Design with Rain GEO SAT

What you get

• One-step quick estimation flow
• GPS Auto-Fill or manual location entry
• Rainfall Stats: Average of last 3 years satellite-based Rainfall Gauging Systems
• Single building & roof surface type selection
• Manual rainfall entry or quick auto-fetch
• Instant harvest volume & runoff calculation
• Basic storage tank / PIT recommendation
• Quick CO₂ savings & tree-equivalent estimate
• Auto-save basic project to your dashboard
• Mobile-first responsive form & results
• Downloadable summary PDF report (Registered users only)

See How It Works

1. Slide 1: Enter your site location using GPS auto-fill or type your address manually.
2. Slide 2: Select your building type and roof surface material.
3. Slide 3: View instant rainfall statistics from the last 3 years of satellite data.
4. Slide 4: Get your harvest volume estimate, tank sizing, and CO₂ savings in seconds.
5. Slide 5: Download your PDF summary report.

Frequently asked questions

Is the basic rainwater harvesting planner free to register and use?

Yes. Registration is free. The Rain GEO SAT Basic Planner auto-fetches the last 3 years of satellite-based rainfall data for your site. Enter your location and roof area to get an instant harvest volume estimate, tank sizing recommendation, and CO₂ savings calculation.

How accurate is the basic rainfall estimate?

The basic planner uses auto-fetched last 3 years of satellite-based rainfall from Open-Meteo, bias-corrected against IMD AWS ground stations, achieving ±8–12% monthly accuracy for Indian sites.

Can I download a report from the basic planner?

Yes. A downloadable PDF summary report is available to all registered Rain GEO SAT users. Registration is free and Basic project's Rain GEO SAT Platform charges are applicable.

Ready to design your rainwater harvesting project?

Registration is free. Sign in to launch the planner and save your project to your dashboard.