Worldwide wastewater treatment observatory · 
Italy
Aguas SB Observatory · public data to understand water
WWTP Arnad
Italy · official identifier IT02Q13000000002
13,000h-e design capacity (2022) · 1112th of 3,726 (tied with 15 others)
European Environment Agency — Waterbase-UWWTD, data call 2023 (versión final pública) · official identifier IT02Q13000000002 · reported size 13,000 h-e design capacity · received load 816 h-e · reported treatment: PS · data year 2022. 1112th of 3,726 records with reported size in the inventory of Italy (tied with 15 others); 0.01 % of the sum of those 3,726 records in h-e (sum of records, not national capacity); nearest inventoried plant at 1.9 km · 19 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
| Treatment | primary + secondary (as reported to the EEA: PS) · reported levels |
|---|---|
| Nitrogen removal | not reported |
| Phosphorus removal | not reported |
| UV disinfection | not reported |
| Status | active |
| Reported coordinates | 45.6392, 7.7176 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: Italy
Regulatory framework of Italy · Directive (EU) 2024/3019: reported-capacity band 10,000 to 149,999 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
what this estimate is · Inputs: 816 p.e. of reported load; equivalent average load 562 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
what this estimate is · Volume estimated from the reported load (163 m³/day of reference), not measured or available for reclamation.
NEARBY PLANTS
Nearby wastewater treatment plants
| Plant | Distance | Capacity (h-e) | Load 2022 | Treatment |
|---|---|---|---|---|
| Verres | 1.9 km | 4,000 | 4,362 | primary and secondary |
| Issogne_granpra | 2.5 km | 4,500 | 403 | primary and secondary |
| Viastazione_hone | 3.6 km | 250 | 250 | primary |
| Viachanoux_hone | 3.8 km | 750 | 750 | primary |
| Viaumberto | 3.9 km | 200 | 200 | primary |
Distances are between reported coordinates; proximity does not establish a hydraulic connection.
QUESTIONS
Frequently asked questions about this plant
What capacity does WWTP Arnad report?
Reported size: 13,000 h-e design capacity. Received load: 816 h-e. Units are retained without conversion.
What treatment is reported?
Treatment PS. Nitrogen, phosphorus and UV are shown only when explicitly reported.
How much energy would a reference plant use with the load of Arnad?
Aguas SB simulator reference scenario for 816 p.e. of reported load: 36,386 kWh per year (64.7 kWh per p.e. of average load), with aeration as 53 % 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.