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Wastewater Treatment Plant Sizing
FreeSize a WWTP based on population equivalent, treatment type and discharge zone. BOD5/COD loads, standard compliance, investment estimate.
Compliant with NF EN 12255 / Arrêté 21/07/2015
WWTP sizing
Total population
5,000PE
Dry weather volume
750m³/j
Peak volume
1,125m³/j
Area required
7,500m²
Incoming loads (kg/d)
300
DBO5
600
DCO
450
MES
75
NTK
20
PT
Estimated effluent quality
| Parameter | Effluent | Standard | Efficiency | Compliant |
|---|---|---|---|---|
| DBO5 | 20 mg/L | ≤ 25 mg/L | 95% | ✅ |
| DCO | 80 mg/L | ≤ 125 mg/L | 90% | ✅ |
Sludge production
285kg MS/j
Annual sludge volume
4,161m³/an
Estimated investment
1.8M€
Annual operating cost
150k€/an
Standards & regulations
- NF EN 12255Stations d'épuration — Principes généraux
- Arrêté 21/07/2015Performance des systèmes d'assainissement
- Fascicule 81 T.IConstruction d'installations de traitement
- DCE 2000/60/CEDirective cadre sur l'eau
This tool provides indicative estimates. Results do not substitute professional advice. Always verify with current regulations.
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