Worldwide wastewater treatment observatory · France

Aguas SB Observatory · public data to understand water

WWTP PARIS SEINE GRÉSILLONS

France · official identifier FR037862401000

1,212,000h-e design capacity (2022) · 4th of 4,051

European Environment Agency — Waterbase-UWWTD, data call 2023 (versión final pública) · official identifier FR037862401000 · reported size 1,212,000 h-e design capacity · received load 1,316,193 h-e · reported treatment: PST · data year 2022. 4th of 4,051 records with reported size in the inventory of France; 1.2 % of the sum of those 4,051 records in h-e (sum of records, not national capacity); nearest inventoried plant at 5.1 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

1,212,000h-e design capacity

1,316,193h-e received load (2022)

109 %reported load/capacity ratio (not hydraulic utilisation)

4th of 4,051by reported size among the 4,051 records with a size in the inventory · 1.2 % 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	48.9524, 2.0161 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

2007 · The national register dates the commissioning of this facility to 2007. 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 L03; 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

34,576,953reference kWh per year for this load

26.3kWh per h-e (average load) per year

5,186,543€ per year at 0.15 €/kWh

69 %share of energy used for aeration

what this estimate is · Inputs: 1,316,193 p.e. of reported load; equivalent average load 1,316,851 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

69.7estimated hm³ of treated water per year

tertiary treatment reporteda starting point for reclamation

what this estimate is · Volume estimated from the reported load (190,848 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
Verneuil	5.1 km	45,000	26,352	primary, secondary and tertiary
Morainvilliers	5.3 km	10,800	9,270	primary, secondary and tertiary
Neuville Sur Oise	7.0 km	408,333	260,224	primary, secondary and tertiary
Les Mureaux	10.1 km	120,500	87,799	primary, secondary and tertiary
Paris Seine Aval	11.4 km	7,500,000	6,142,655	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 PARIS SEINE GRÉSILLONS report?

Reported size: 1,212,000 h-e design capacity. Received load: 1,316,193 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 PARIS SEINE GRÉSILLONS?

Aguas SB simulator reference scenario for 1,316,193 p.e. of reported load: 34,576,953 kWh per year (26.3 kWh per p.e. of average load), with aeration as 69 % 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.