Worldwide wastewater treatment observatory · 
Greece
Aguas SB Observatory · public data to understand water
WWTP ORCHOMENOS
Greece · official identifier EL241014017
11,000h-e design capacity (2022) · 157th of 273 (tied with 2 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 EL241014017 · reported size 11,000 h-e design capacity · reported treatment: PS · data year 2022. 157th of 273 records with reported size in the inventory of Greece (tied with 2 others); 0.08 % of the sum of those 273 records in h-e (sum of records, not national capacity); nearest inventoried plant at 10.1 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 | 38.5115, 23.0026 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: Greece
Regulatory framework of Greece · 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 |
|---|---|---|---|---|
| Levadia | 10.1 km | 30,000 | 25,000 | primary, secondary and tertiary |
| Tithorea | 24.8 km | 12,000 | 3,318 | primary, secondary and tertiary |
| Malessina | 27.6 km | 8,000 | 3,742 | primary, secondary and tertiary |
| Thiva | 35.1 km | 40,000 | 24,226 | primary, secondary and tertiary |
| Arachova | 36.4 km | 7,330 | 4,500 | 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 ORCHOMENOS report?
Reported size: 11,000 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.