Modular Low-Cost Rainwater Storage Bags (MIT D-Lab)¶

Rainwater & Storage • Est. CapEx: Low-cost / Locally fabricated

Technical Overview¶

An innovative, ultra-low-cost rainwater storage system using flexible, collapsible bags. Designed by MIT D-Lab for communities where conventional cisterns are unaffordable, these bags can be added incrementally and repurposed for solar disinfection or drip irrigation.

Key Specifications & Engineering Parameters¶

Parameter	Specification
Category	Rainwater & Storage
Capital Cost	Low-cost / Locally fabricated
Primary Mechanism	Rainwater is collected from rooftops (or a deployable catchment) and stored in flexible, food-grade plastic bags. The bags can be fitted with various attachments: a SODIS-compatible clear top for solar disinfection, a spigot for handwashing, or a drip irrigation connector.
Target Scale	Household / Village Cluster
Standard Lifespan	10 - 20 Years

Engineering Trade-Offs¶

✅ Advantages⚠️ Limitations

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Cross-Reference & Interactive Tools¶

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