Worldwide wastewater treatment observatory · Switzerland

Aguas SB Observatory · public data to understand water

WWTP THUNERSEE

Switzerland · official identifier CH_WWTP_094400

200,000h-e design capacity (2022) · 12th of 705 (tied with 1 others)

European Environment Agency — Waterbase-UWWTD, data call 2023 (versión final pública) · official identifier CH_WWTP_094400 · reported size 200,000 h-e design capacity · received load 127,131 h-e · reported treatment: PST · data year 2022. 12th of 705 records with reported size in the inventory of Switzerland (tied with 1 others); 1.2 % of the sum of those 705 records in h-e (sum of records, not national capacity); nearest inventoried plant at 4.3 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

200,000h-e design capacity

127,131h-e received load (2022)

64 %reported load/capacity ratio (not hydraulic utilisation)

12th of 705by reported size among the 705 records with a size in the inventory (tied with 1 others) · 1.2 % 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	46.7806, 7.5984 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

2018 · The Thunersee wastewater treatment plant added a treatment stage to remove micropollutants. Canton of Bern Directorate for Construction and Transport

Other published data

Mean annual volume treated reported in the 2022 cycle	14,402,645 m³/year (2022) · source

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 L05; it does not change the official data.

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

5,061,804reference kWh per year for this load

35.3kWh per h-e (average load) per year

759,271€ per year at 0.15 €/kWh

50 %share of energy used for aeration

what this estimate is · Inputs: 127,131 p.e. of reported load; equivalent average load 143,524 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

15.6estimated hm³ of treated water per year

tertiary treatment reporteda starting point for reclamation

what this estimate is · Volume estimated from the reported load (42,843 m³/day of reference), not measured or available for reclamation.

LOCATION

Switzerland: 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
Bleiken	4.3 km	380	309	primary, secondary and tertiary
Kiesental Unteres	4.9 km	13,000	7,453	primary, secondary and tertiary
Kiesental Oberes (Konolfingen)	9.6 km	18,750	11,860	primary, secondary and tertiary
Guerbetal (Kaufdorf)	10.1 km	26,500	11,689	primary, secondary and tertiary
Muensingen	11.8 km	30,000	14,447	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 THUNERSEE report?

Reported size: 200,000 h-e design capacity. Received load: 127,131 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 THUNERSEE?

Aguas SB simulator reference scenario for 127,131 p.e. of reported load: 5,061,804 kWh per year (35.3 kWh per p.e. of average load), with aeration as 50 % 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.