Skip to content

Rainwater Harvesting System

Rainwater & StorageEst. CapEx: Low-cost / Locally fabricated


Technical Overview

A traditional technique for collecting and storing rainwater from rooftops or other surfaces for domestic, agricultural, or stormwater management use. It provides an alternative water source in areas where groundwater is scarce or contaminated.


Key Specifications & Engineering Parameters

Parameter Specification
Category Rainwater & Storage
Capital Cost Low-cost / Locally fabricated
Primary Mechanism Rainwater is collected from a catchment surface (e.g., roof), conveyed via gutters and downspouts through a debris filter, and stored in a cistern or tank. The stored water can be used directly (non-potable) or treated for potable use, reducing runoff and conserving water supplies.
Target Scale Household / Village Cluster
Standard Lifespan 10 - 20 Years

Engineering Trade-Offs

  • I
  • n
  • c
  • l
  • u
  • d
  • e
  • s
  • s
  • t
  • e
  • p
  • -
  • b
  • y
  • -
  • s
  • t
  • e
  • p
  • D
  • I
  • Y
  • c
  • o
  • n
  • s
  • t
  • r
  • u
  • c
  • t
  • i
  • o
  • n
  • g
  • u
  • i
  • d
  • e
  • /
  • m
  • a
  • n
  • u
  • a
  • l
  • L

  • o
  • w
  • -
  • c
  • o
  • s
  • t
  • ,
  • s
  • i
  • m
  • p
  • l
  • e
  • t
  • e
  • c
  • h
  • n
  • o
  • l
  • o
  • g
  • y
  • w
  • i
  • t
  • h
  • d
  • e
  • c
  • a
  • d
  • e
  • s
  • o
  • f
  • f
  • i
  • e
  • l
  • d
  • u
  • s
  • e
  • ;
  • r
  • e
  • d
  • u
  • c
  • e
  • s
  • d
  • e
  • m
  • a
  • n
  • d
  • o
  • n
  • g
  • r
  • o
  • u
  • n
  • d
  • w
  • a
  • t
  • e
  • r
  • a
  • n
  • d
  • u
  • t
  • i
  • l
  • i
  • t
  • i
  • e
  • s
  • .
  • D
  • e
  • p
  • e
  • n
  • d
  • e
  • n
  • t
  • o
  • n
  • r
  • a
  • i
  • n
  • f
  • a
  • l
  • l
  • p
  • a
  • t
  • t
  • e
  • r
  • n
  • s
  • ;
  • r
  • e
  • q
  • u
  • i
  • r
  • e
  • s
  • r
  • o
  • o
  • f
  • c
  • a
  • t
  • c
  • h
  • m
  • e
  • n
  • t
  • a
  • n
  • d
  • s
  • t
  • o
  • r
  • a
  • g
  • e
  • t
  • a
  • n
  • k
  • ;
  • w
  • a
  • t
  • e
  • r
  • q
  • u
  • a
  • l
  • i
  • t
  • y
  • m
  • a
  • y
  • r
  • e
  • q
  • u
  • i
  • r
  • e
  • t
  • r
  • e
  • a
  • t
  • m
  • e
  • n
  • t
  • f
  • o
  • r
  • p
  • o
  • t
  • a
  • b
  • l
  • e
  • u
  • s
  • e
  • .

Cross-Reference & Interactive Tools

Need to evaluate this technology for your specific field site? Run the WhatWater.info Selector Engine to compare it against 100+ alternative solutions.