Worldwide wastewater treatment observatory · 
Italy
Aguas SB Observatory · public data to understand water
WWTP IDL_CALICE
Italy · official identifier IT09RT0005
165,000h-e design capacity (2022) · 100th of 3,726 (tied with 1 others)
European Environment Agency — Waterbase-UWWTD, data call 2023 (versión final pública) · official identifier IT09RT0005 · reported size 165,000 h-e design capacity · received load 38,428 h-e · reported treatment: PST · data year 2022. 100th of 3,726 records with reported size in the inventory of Italy (tied with 1 others); 0.16 % of the sum of those 3,726 records in h-e (sum of records, not national capacity); nearest inventoried plant at 0.7 km · 35 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 + tertiary (more stringent) (as reported to the EEA: PST) · reported levels |
|---|---|
| Nitrogen removal | yes |
| Phosphorus removal | not reported |
| UV disinfection | not reported |
| Status | active |
| Reported coordinates | 43.8860, 11.0211 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
- 1985-05 · The Calice wastewater treatment plant in Prato entered service in May 1985. Its facilities were nearly doubled in 2002. Municipality of Prato
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 L06; 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
what this estimate is · Inputs: 38,428 p.e. of reported load; equivalent average load 26,517 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 (7,686 m³/day of reference), not measured or available for reclamation.
NEARBY PLANTS
Nearby wastewater treatment plants
| Plant | Distance | Capacity (h-e) | Load 2022 | Treatment |
|---|---|---|---|---|
| Idl_ronco_via_ferrucci | 0.7 km | 6,000 | 5,883 | primary and secondary |
| Idl_salceto | 2.6 km | 6,000 | 2,711 | primary, secondary and tertiary |
| Idl_via_brunelleschi | 4.0 km | 10,000 | 8,566 | primary, secondary and tertiary |
| Idl_montale_est | 4.4 km | 3,500 | 4,156 | primary and secondary |
| Idl_bottegone | 4.8 km | 5,000 | 4,860 | primary and secondary |
Distances are between reported coordinates; proximity does not establish a hydraulic connection.
QUESTIONS
Frequently asked questions about this plant
What capacity does WWTP IDL_CALICE report?
Reported size: 165,000 h-e design capacity. Received load: 38,428 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 IDL_CALICE?
Aguas SB simulator reference scenario for 38,428 p.e. of reported load: 1,318,744 kWh per year (49.7 kWh per p.e. of average load), with aeration as 49 % 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.