Worldwide wastewater treatment observatory · France

Aguas SB Observatory · public data to understand water

WWTP METZ

France · official identifier FR025745200219

440,000h-e design capacity (2022) · 23rd of 4,051

European Environment Agency — Waterbase-UWWTD, data call 2023 (versión final pública) · official identifier FR025745200219 · reported size 440,000 h-e design capacity · received load 286,929 h-e · reported treatment: PST · data year 2022. 23rd of 4,051 records with reported size in the inventory of France; 0.45 % of the sum of those 4,051 records in h-e (sum of records, not national capacity); nearest inventoried plant at 6.1 km · 3 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

440,000h-e design capacity

286,929h-e received load (2022)

65 %reported load/capacity ratio (not hydraulic utilisation)

23rd of 4,051by reported size among the 4,051 records with a size in the inventory · 0.45 % 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	49.1454, 6.1925 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

1974 · The national register dates the commissioning of this facility to 1974. French Ministry responsible for the ecological transition

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: France

Regulatory framework of France · 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

7,941,036reference kWh per year for this load

27.7kWh per h-e (average load) per year

1,191,155€ per year at 0.15 €/kWh

66 %share of energy used for aeration

what this estimate is · Inputs: 286,929 p.e. of reported load; equivalent average load 287,075 p.e. with the reference profile of France (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

15.2estimated hm³ of treated water per year

tertiary treatment reporteda starting point for reclamation

what this estimate is · Volume estimated from the reported load (41,605 m³/day of reference), not measured or available for reclamation.

LOCATION

France: 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
Argancy	6.1 km	3,400	4,495	primary, secondary and tertiary
Montoy Flanville	6.2 km	3,500	2,231	primary, secondary and tertiary
Maizieres-les-Metz	6.6 km	19,500	22,680	primary, secondary and tertiary
Ay Sur Moselle	10.6 km	19,300	7,028	primary, secondary and tertiary
Talange	11.5 km	55,700	27,619	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 METZ report?

Reported size: 440,000 h-e design capacity. Received load: 286,929 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 METZ?

Aguas SB simulator reference scenario for 286,929 p.e. of reported load: 7,941,036 kWh per year (27.7 kWh per p.e. of average load), with aeration as 66 % 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.