Worldwide wastewater treatment observatory · Germany

Aguas SB Observatory · public data to understand water

WWTP ZKA Zwickau

Germany · official identifier DETP_SN4112

143,000h-e design capacity (2022) · 169th of 3,798

European Environment Agency — Waterbase-UWWTD, data call 2023 (versión final pública) · official identifier DETP_SN4112 · reported size 143,000 h-e design capacity · received load 135,654 h-e · reported treatment: PST · data year 2022. 169th of 3,798 records with reported size in the inventory of Germany; 0.10 % of the sum of those 3,798 records in h-e (sum of records, not national capacity); nearest inventoried plant at 7.7 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

143,000h-e design capacity

135,654h-e received load (2022)

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

169th of 3,798by reported size among the 3,798 records with a size in the inventory · 0.10 % 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	50.7693, 12.4815 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 official Saxon inventory records 1997 as the year the Zwickau wastewater treatment plant entered service. Saxon State Office for Environment, Agriculture and Geology

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: Germany

Regulatory framework of Germany · 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

4,359,745reference kWh per year for this load

32.1kWh per h-e (average load) per year

653,962€ per year at 0.15 €/kWh

55 %share of energy used for aeration

what this estimate is · Inputs: 135,654 p.e. of reported load; equivalent average load 135,761 p.e. with the reference profile of Germany (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

10.7estimated hm³ of treated water per year

tertiary treatment reporteda starting point for reclamation

what this estimate is · Volume estimated from the reported load (29,301 m³/day of reference), not measured or available for reclamation.

LOCATION

Germany: 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
Zka Werdau	7.7 km	48,000	43,633	primary, secondary and tertiary
Zka Crimmitschau	9.7 km	28,000	27,867	primary, secondary and tertiary
Zka Weidensdorf	10.0 km	99,500	82,100	primary, secondary and tertiary
Ka Meerane (Th)	11.3 km	24,000	15,768	primary, secondary and tertiary
Ka Cunersdorf	13.3 km	13,500	12,400	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 ZKA Zwickau report?

Reported size: 143,000 h-e design capacity. Received load: 135,654 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 ZKA Zwickau?

Aguas SB simulator reference scenario for 135,654 p.e. of reported load: 4,359,745 kWh per year (32.1 kWh per p.e. of average load), with aeration as 55 % 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.