Rainwater Harvesting
Systems for collecting and storing rainfall from roofs, courtyards, slopes, or catchments for household, agricultural, and municipal use.
Core metadata
- ID: rainwater_harvesting
- Era: Ancient
- First known date: -4000 (millennium)
- Region: Southwest Asia, South Asia, and other dryland regions
- Review status: source_checked
- Maturity: established
Prerequisites
Dependents
- None.
Fields
Field lanes
- Water & Sanitation Systems: Supply & Storage
Node sources
- Drinking-water (World Health Organization, 2023, official_agency) • Supports: node, maturity
Prerequisite edge evidence
Edge/source evidence summary:
- Prerequisite edges: 3
- Average edge confidence: 68%
- Prerequisite sources: 3
- expert_inference: 3
| Prerequisite | Type | Confidence | Evidence level | Note | Sources |
|---|---|---|---|---|---|
| Wells & Cisterns (wells_and_cisterns) | enabling | 68% | expert_inference | Wells & Cisterns provides a capability that enables this technology without being the only possible path. |
|
| Pottery (pottery) | enabling | 68% | expert_inference | Pottery provides a capability that enables this technology without being the only possible path. |
|
| Masonry (masonry) | enabling | 68% | expert_inference | Masonry provides a capability that enables this technology without being the only possible path. |
|
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