Worldwide wastewater treatment observatory · Greece

Aguas SB Observatory · public data to understand water

WWTP PSYTTALIA

Greece · official identifier EL300001011

5,630,000h-e design capacity (2022) · 1st of 273

European Environment Agency — Waterbase-UWWTD, data call 2023 (versión final pública) · official identifier EL300001011 · reported size 5,630,000 h-e design capacity · received load 5,219,579 h-e · reported treatment: PST · data year 2022. 1st of 273 records with reported size in the inventory of Greece; 39.1 % of the sum of those 273 records in h-e (sum of records, not national capacity); nearest inventoried plant at 12.2 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

5,630,000h-e design capacity

5,219,579h-e received load (2022)

93 %reported load/capacity ratio (not hydraulic utilisation)

1st of 273by reported size among the 273 records with a size in the inventory · 39.1 % of the sum of those records (sum of records, not national capacity) · the largest plants in the country · how it is calculated

Treatment	primary + secondary + tertiary (more stringent) (as reported to the EEA: PST) · reported levels
Nitrogen removal	yes
Phosphorus removal	not reported
UV disinfection	not reported
Status	active
Reported coordinates	37.9384, 23.5840 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

FUENTES PÚBLICAS

What public sources report

Documented milestones

2003-07-18 · European Commission officials visited Psyttalia to review construction progress. Comisión Europea

Other published data

Mean annual volume treated reported in the 2022 cycle	239,934,575 m³/year (2022) · source

Facts taken from public documents, with their date and link; an authorisation, a project or a planned capacity do not prove operation or quantities actually treated. Aguas SB editorial layer, lot L02; it does not change the official data.

REGULATORY REFERENCES

Referencia normativa: Greece

Regulatory framework of Greece · Directive (EU) 2024/3019: reported-capacity band 150,000 p.e. or more; obligations are set by agglomeration load, not by the capacity of this plant. Individual applicability is not determined in this profile.

SCENARIO

Reference energy scenario for this load estimate · simulator engine

142,393,018reference kWh per year for this load

27.3kWh per h-e (average load) per year

21,358,953€ per year at 0.15 €/kWh

67 %share of energy used for aeration

what this estimate is · Inputs: 5,219,579 p.e. of reported load; equivalent average load 5,219,837 p.e. with the reference profile of Greece (hypothesis with reported load and reference profile; not a measurement). Open this scenario in the simulator · how it is calculated and what it is not.

Reference scenario computed on the server from the reported load and the country profile; an estimate, not a measurement. The simulator recomputes it when opened.

WATER THAT COULD RETURN

Reuse potential

337.2estimated hm³ of treated water per year

tertiary treatment reporteda starting point for reclamation

what this estimate is · Volume estimated from the reported load (923,865 m³/day of reference), not measured or available for reclamation.

LOCATION

Greece: this plant on the map

this plant on the map · regional directory.

NEARBY PLANTS

Nearby wastewater treatment plants

Plant	Distance	Capacity (h-e)	Load 2022	Treatment
Thriassio	12.2 km	117,000	46,900	primary, secondary and tertiary
Megara	20.7 km	43,330	25,293	primary, secondary and tertiary
Metamorphosi	22.7 km	500,000	450,000	primary, secondary and tertiary
Vilia	32.0 km	10,833	2,110	primary, secondary and tertiary
Markopoulo	32.1 km	40,000	6,630	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 PSYTTALIA report?

Reported size: 5,630,000 h-e design capacity. Received load: 5,219,579 h-e. Units are retained without conversion.

What treatment is reported?

Treatment PST. Nitrogen, phosphorus and UV are shown only when explicitly reported.

How much energy would a reference plant use with the load of PSYTTALIA?

Aguas SB simulator reference scenario for 5,219,579 p.e. of reported load: 142,393,018 kWh per year (27.3 kWh per p.e. of average load), with aeration as 67 % of consumption. Estimate with the country reference profile; not a measurement of the plant.

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.