WWTP STEU DE: SAINT-THONAN (PRAT LEDAN)

France · official identifier FR0429268S0001

4,000h-e design capacity (2022) · 2626th of 4,051 (tied with 173 others)

European Environment Agency — Waterbase-UWWTD, data call 2023 (versión final pública) · official identifier FR0429268S0001 · reported size 4,000 h-e design capacity · received load 5,110 h-e · reported treatment: PST · data year 2022. 2626th of 4,051 records with reported size in the inventory of France (tied with 173 others); < 0.01 % of the sum of those 4,051 records in h-e (sum of records, not national capacity); nearest inventoried plant at 6.2 km · 4 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

4,000h-e design capacity

5,110h-e received load (2022)

128 %reported load/capacity ratio (not hydraulic utilisation)

2626th of 4,051by reported size among the 4,051 records with a size in the inventory (tied with 173 others) · < 0.01 % 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	48.4844, -4.3427 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: France

Regulatory framework of France · Directive (EU) 2024/3019: reported-capacity band 1,000 to 9,999 p.e.; 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

211,425reference kWh per year for this load

41.4kWh per h-e (average load) per year

31,714€ per year at 0.15 €/kWh

52 %share of energy used for aeration

what this estimate is · Inputs: 5,110 p.e. of reported load; equivalent average load 5,113 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

0.3estimated hm³ of treated water per year

tertiary treatment reporteda starting point for reclamation

what this estimate is · Volume estimated from the reported load (741 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
Steu De: Ploudaniel (Le Merdy)	6.2 km	2,100	1,265	primary, secondary and tertiary
Steu De: la Forest-Landerneau	7.1 km	2,300	1,666	primary, secondary and tertiary
Steu De: Landerneau (Le Bois Noir)	7.1 km	30,000	36,738	primary, secondary and tertiary
Steu De: Plabennec (Menez Ar Milinou)	7.4 km	9,500	10,890	primary, secondary and tertiary
Steu De: Plouvien (Croas Mezduan)	10.3 km	2,700	2,660	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 STEU DE: SAINT-THONAN (PRAT LEDAN) report?

Reported size: 4,000 h-e design capacity. Received load: 5,110 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 STEU DE: SAINT-THONAN (PRAT LEDAN)?

Aguas SB simulator reference scenario for 5,110 p.e. of reported load: 211,425 kWh per year (41.4 kWh per p.e. of average load), with aeration as 52 % 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.