Worldwide wastewater treatment observatory · 
France
Aguas SB Observatory · public data to understand water
WWTP LALLAING
France · official identifier FR011069100000
13,500h-e design capacity (2022) · 1085th of 4,051 (tied with 10 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 FR011069100000 · reported size 13,500 h-e design capacity · reported treatment: PST · data year 2022. 1085th of 4,051 records with reported size in the inventory of France (tied with 10 others); 0.01 % of the sum of those 4,051 records in h-e (sum of records, not national capacity); nearest inventoried plant at 2.1 km · 9 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 + tertiary (more stringent) (as reported to the EEA: PST) · reported levels |
|---|---|
| Nitrogen removal | yes |
| Phosphorus removal | yes |
| UV disinfection | not reported |
| Status | inactive according to reported data |
| Reported coordinates | 50.3811, 3.1826 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 10,000 to 149,999 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 |
|---|---|---|---|---|
| Lallaing-Flines | 2.1 km | 20,049 | 12,708 | primary, secondary and tertiary |
| Pecquencourt | 2.8 km | 11,667 | 7,770 | primary, secondary and tertiary |
| Flines-Lez-Raches | 3.4 km | 10,001 | 9,546 | primary, secondary and tertiary |
| Sin-Le-Noble | 4.4 km | 23,000 | 20,181 | primary, secondary and tertiary |
| Lewarde | 4.5 km | 5,400 | 2,132 | 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 LALLAING report?
Reported size: 13,500 h-e design capacity. Units are retained without conversion.
What treatment is reported?
Treatment PST. 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.