Worldwide wastewater treatment observatory · Greece

Aguas SB Observatory · public data to understand water

WWTP VOLOS

Greece · official identifier EL143001012

186,660h-e design capacity (2022) · 7th of 273

European Environment Agency — Waterbase-UWWTD, data call 2023 (versión final pública) · official identifier EL143001012 · reported size 186,660 h-e design capacity · received load 173,411 h-e · reported treatment: PST · data year 2022. 7th of 273 records with reported size in the inventory of Greece; 1.3 % of the sum of those 273 records in h-e (sum of records, not national capacity); nearest inventoried plant at 23.0 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

186,660h-e design capacity

173,411h-e received load (2022)

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

7th of 273by reported size among the 273 records with a size in the inventory · 1.3 % 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	yes
UV disinfection	not reported
Status	active
Reported coordinates	39.3526, 22.9202 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

2023 · In 2023, the Thessaly regional plan listed an upgrade at the Volos treatment plant with a budget of EUR 2.4 million. Government of Greece

Other published data

Mean annual volume treated reported in the 2022 cycle	19,422,745 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 L04; 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

5,188,655reference kWh per year for this load

29.9kWh per h-e (average load) per year

778,298€ per year at 0.15 €/kWh

61 %share of energy used for aeration

what this estimate is · Inputs: 173,411 p.e. of reported load; equivalent average load 173,421 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

11.2estimated hm³ of treated water per year

tertiary treatment reporteda starting point for reclamation

what this estimate is · Volume estimated from the reported load (30,694 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
Almyros	23.0 km	18,000	10,096	primary, secondary and tertiary
Aghiokabos	39.4 km	13,800	2,174	primary, secondary and tertiary
Aghia	39.9 km	9,750	3,643	primary, secondary and tertiary
Farsala	47.1 km	15,417	5,926	primary, secondary and tertiary
Larissa	53.8 km	227,500	145,592	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 VOLOS report?

Reported size: 186,660 h-e design capacity. Received load: 173,411 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 VOLOS?

Aguas SB simulator reference scenario for 173,411 p.e. of reported load: 5,188,655 kWh per year (29.9 kWh per p.e. of average load), with aeration as 61 % 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.