Worldwide wastewater treatment observatory · 
Switzerland
Aguas SB Observatory · public data to understand water
WWTP Ferden
Switzerland · official identifier CH_WWTP_619500
500h-e design capacity (2022) · 618th of 705 (tied with 9 others)
European Environment Agency — Waterbase-UWWTD, data call 2023 (versión final pública) · official identifier CH_WWTP_619500 · reported size 500 h-e design capacity · received load 158 h-e · reported treatment: PS · data year 2022. 618th of 705 records with reported size in the inventory of Switzerland (tied with 9 others); < 0.01 % of the sum of those 705 records in h-e (sum of records, not national capacity); nearest inventoried plant at 1.8 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
| 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 | 46.3857, 7.7540 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: Switzerland
Regulatory framework of Switzerland. Individual applicability is not determined in this profile.
SCENARIO
Reference energy scenario for this load estimate · simulator engine
what this estimate is · Inputs: 158 p.e. of reported load; equivalent average load 178 p.e. with the reference profile of Switzerland (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 (53 m³/day of reference), not measured or available for reclamation.
NEARBY PLANTS
Nearby wastewater treatment plants
| Plant | Distance | Capacity (h-e) | Load 2022 | Treatment |
|---|---|---|---|---|
| Kippel | 1.8 km | 1,000 | 849 | primary and secondary |
| Blatten | 4.6 km | 1,200 | 185 | primary, secondary and tertiary |
| Leuk-Radet | 9.9 km | 30,500 | 16,066 | primary, secondary and tertiary |
| Guttet | 10.1 km | 1,000 | 1,012 | primary, secondary and tertiary |
| Leukerbad | 10.4 km | 13,750 | 2,961 | 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 Ferden report?
Reported size: 500 h-e design capacity. Received load: 158 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 Ferden?
Aguas SB simulator reference scenario for 158 p.e. of reported load: 17,271 kWh per year (97.3 kWh per p.e. of average load), with aeration as 44 % 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.