Septic Tank Systems
On-site wastewater systems that settle solids and discharge clarified effluent to soil absorption fields for decentralized sanitation.
Core metadata
- ID: septic_tank_systems
- Era: Industrial
- First known date: 1860 (decade)
- Region: France, Europe, and global decentralized sanitation
- Review status: source_checked
- Maturity: established
Prerequisites
- Flush Toilet with Trap Seal (flush_toilet_trap_seal)
- Masonry (masonry)
- Modern Public Sanitation (public_sanitation_modern)
Dependents
- None.
Fields
Field lanes
- Water & Sanitation Systems: Sanitation & Sewerage
Node sources
- Septic Systems (U.S. Environmental Protection Agency, 2026, 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 |
|---|---|---|---|---|---|
| Flush Toilet with Trap Seal (flush_toilet_trap_seal) | enabling | 68% | expert_inference | Flush Toilet with Trap Seal provides a capability that enables this technology without being the only possible path. |
|
| Modern Public Sanitation (public_sanitation_modern) | enabling | 68% | expert_inference | Modern Public Sanitation 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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