Worldwide wastewater treatment observatory · Italy

Aguas SB Observatory · public data to understand water

WWTP ROMA_SUD

Italy · official identifier IT12000000000317

1,100,000h-e design capacity (2022) · 7th of 3,726

European Environment Agency — Waterbase-UWWTD, data call 2023 (versión final pública) · official identifier IT12000000000317 · reported size 1,100,000 h-e design capacity · received load 1,045,000 h-e · reported treatment: PST · data year 2022. 7th of 3,726 records with reported size in the inventory of Italy; 1.1 % of the sum of those 3,726 records in h-e (sum of records, not national capacity); nearest inventoried plant at 3.4 km · 8 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

1,100,000h-e design capacity

1,045,000h-e received load (2022)

95 %reported load/capacity ratio (not hydraulic utilisation)

7th of 3,726by reported size among the 3,726 records with a size in the inventory · 1.1 % 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	not reported
Phosphorus removal	not reported
UV disinfection	not reported
Status	active
Reported coordinates	41.8126, 12.4255 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

1997 · The 1997 city report put Roma Sud’s post-upgrade capacity at 1,500,000 population equivalent. Ayuntamiento de Roma

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: Italy

Regulatory framework of Italy · 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

22,383,653reference kWh per year for this load

31.0kWh per h-e (average load) per year

3,357,548€ per year at 0.15 €/kWh

60 %share of energy used for aeration

what this estimate is · Inputs: 1,045,000 p.e. of reported load; equivalent average load 721,050 p.e. with the reference profile of Italy (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

76.3estimated hm³ of treated water per year

tertiary treatment reporteda starting point for reclamation

what this estimate is · Volume estimated from the reported load (209,000 m³/day of reference), not measured or available for reclamation.

LOCATION

Italy: 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
Giardini_di_roma	3.4 km	12,000	11,400	primary, secondary and tertiary
Trigoria	4.5 km	9,500	9,025	primary, secondary and tertiary
Pisana_spallette	5.2 km	9,000	8,550	primary, secondary and tertiary
Ponte_galeria	6.6 km	5,000	4,750	primary, secondary and tertiary
Massimina_casal_lombroso	8.0 km	22,000	20,900	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 ROMA_SUD report?

Reported size: 1,100,000 h-e design capacity. Received load: 1,045,000 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 ROMA_SUD?

Aguas SB simulator reference scenario for 1,045,000 p.e. of reported load: 22,383,653 kWh per year (31.0 kWh per p.e. of average load), with aeration as 60 % 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.