Worldwide wastewater treatment observatory · Poland

Aguas SB Observatory · public data to understand water

WWTP Centralna Oczyszczalnia Ścieków w Koziegłowach

Poland · official identifier PLWL0011

1,200,000h-e design capacity (2022) · 2nd of 1,654

European Environment Agency — Waterbase-UWWTD, data call 2023 (versión final pública) · official identifier PLWL0011 · reported size 1,200,000 h-e design capacity · received load 759,218 h-e · reported treatment: PST · data year 2022. 2nd of 1,654 records with reported size in the inventory of Poland; 2.2 % of the sum of those 1,654 records in h-e (sum of records, not national capacity); nearest inventoried plant at 2.6 km · 1 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

1,200,000h-e design capacity

759,218h-e received load (2022)

63 %reported load/capacity ratio (not hydraulic utilisation)

2nd of 1,654by reported size among the 1,654 records with a size in the inventory · 2.2 % 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	52.4511, 16.9805 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

2001 · The central Poznań wastewater treatment plant in Koziegłowy entered service with the full treatment cycle. Ayuntamiento de Poznań
2024-06-20 · The national programme recorded technical acceptance of a type MO investment at the plant. Polish Waters

Other published data

Mean annual volume treated reported in the 2022 cycle	38,123,000 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 L02; it does not change the official data.

REGULATORY REFERENCES

Referencia normativa: Poland

Regulatory framework of Poland · 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

15,497,014reference kWh per year for this load

26.2kWh per h-e (average load) per year

2,324,552€ per year at 0.15 €/kWh

69 %share of energy used for aeration

what this estimate is · Inputs: 759,218 p.e. of reported load; equivalent average load 591,738 p.e. with the reference profile of Poland (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

29.9estimated hm³ of treated water per year

tertiary treatment reporteda starting point for reclamation

what this estimate is · Volume estimated from the reported load (81,996 m³/day of reference), not measured or available for reclamation.

LOCATION

Poland: 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
Lewobrzeżna Oczyszczalnia Ścieków W Poznaniu	2.6 km	410,833	189,804	primary, secondary and tertiary
Oczyszczalnia Ścieków W Szlachęcinie	12.1 km	44,650	37,647	primary, secondary and tertiary
Oczyszczalnia Ścieków W Mieścisku	14.7 km	3,927	3,077	primary and secondary
Oczyszczalnia Ścieków W Chludowie	15.0 km	5,170	3,803	primary and secondary
Skórzewo	15.2 km	4,830	1,736	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 Centralna Oczyszczalnia Ścieków w Koziegłowach report?

Reported size: 1,200,000 h-e design capacity. Received load: 759,218 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 Centralna Oczyszczalnia Ścieków w Koziegłowach?

Aguas SB simulator reference scenario for 759,218 p.e. of reported load: 15,497,014 kWh per year (26.2 kWh per p.e. of average load), with aeration as 69 % 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.