Worldwide wastewater treatment observatory · 
France
Aguas SB Observatory · public data to understand water
WWTP DEMBÉNI - ILONI - COLLÈGE
France · official identifier FR119760700003
400h-e design capacity (2022) · 4008th of 4,051 (tied with 3 others)
Facility inactive according to reported data. Historical profile: excluded from current aggregates.
European Environment Agency — Waterbase-UWWTD, data call 2023 (versión final pública) · official identifier FR119760700003 · reported size 400 h-e design capacity · reported treatment: PS · data year 2022. 4008th of 4,051 records with reported size in the inventory of France (tied with 3 others); < 0.01 % of the sum of those 4,051 records in h-e (sum of records, not national capacity); nearest inventoried plant at 1.6 km · 19 within 10 km. Reported data with their source; estimates are not measurements of the plant.
Aguas SB does not manage this wastewater treatment plant.
WHAT THE DATA REPORT
Reported data official data · 2022
| Treatment | primary + secondary (as reported to the EEA: PS) · reported levels |
|---|---|
| Nitrogen removal | not reported |
| Phosphorus removal | not reported |
| UV disinfection | not reported |
| Status | inactive according to reported data |
| Reported coordinates | -12.8468, 45.1903 precision reported by the source: level 2 what it means |
| Source and year | European Environment Agency — Waterbase-UWWTD, data call 2023 (versión final pública) · dataset record |
REGULATORY REFERENCES
Referencia normativa: France
Regulatory framework of France · Directive (EU) 2024/3019: reported-capacity band under 1,000 p.e.; obligations are set by agglomeration load, not by the capacity of this plant. Individual applicability is not determined in this profile.
NEARBY PLANTS
Nearby wastewater treatment plants
| Plant | Distance | Capacity (h-e) | Load 2022 | Treatment |
|---|---|---|---|---|
| Dembéni - Tsararano | 1.6 km | 7,500 | 4,166 | primary, secondary and tertiary |
| Mamoudzou - Collège de Kwalé | 4.5 km | 550 | 500 | primary, secondary and tertiary |
| Mamoudzou-Passamainty-Bengalis | 5.3 km | 270 | 220 | primary, secondary and tertiary |
| Mamoudzou - Passamainty - Collège | 5.6 km | 450 | 445 | primary, secondary and tertiary |
| Ouangani - Barakani - Lycée Agricole Coconi | 6.1 km | 360 | 160 | primary, secondary and tertiary |
Distances are between reported coordinates; proximity does not establish a hydraulic connection.
QUESTIONS
Frequently asked questions about this plant
What capacity does WWTP DEMBÉNI - ILONI - COLLÈGE report?
Reported size: 400 h-e design capacity. Units are retained without conversion.
What treatment is reported?
Treatment PS. Nitrogen, phosphorus and UV are shown only when explicitly reported.
SOURCE AND CORRECTIONS
Source
reported data · European Environment Agency — Waterbase-UWWTD, data call 2023 (versión final pública) · data 2022 · edition 2023 · source licence: CC BY 4.0 · JSON for this plant · suggest a correction · catalogue 2026-11-06. Reported data, not a current inspection; no compliance judgements.