Worldwide wastewater treatment observatory · Slovakia

Aguas SB Observatory · public data to understand water

WWTP COV Zilina

Slovakia · official identifier SKCAO51101375174021

220,000h-e design capacity (2022) · 4th of 275

European Environment Agency — Waterbase-UWWTD, data call 2023 (versión final pública) · official identifier SKCAO51101375174021 · reported size 220,000 h-e design capacity · received load 134,148 h-e · reported treatment: PST · data year 2022. 4th of 275 records with reported size in the inventory of Slovakia; 3.4 % of the sum of those 275 records in h-e (sum of records, not national capacity); nearest inventoried plant at 5.1 km · 2 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

220,000h-e design capacity

134,148h-e received load (2022)

61 %reported load/capacity ratio (not hydraulic utilisation)

4th of 275by reported size among the 275 records with a size in the inventory · 3.4 % 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	49.2466, 18.6437 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

1985-09 · The joint Žilina treatment plant, located in Horný Hričov and Dolný Hričov, entered service in September 1985. City of Žilina

Other published data

Mean annual volume treated reported in the 2022 cycle	17,068,592 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 L04; it does not change the official data.

REGULATORY REFERENCES

Referencia normativa: Slovakia

Regulatory framework of Slovakia · 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

4,603,669reference kWh per year for this load

34.3kWh per h-e (average load) per year

690,550€ per year at 0.15 €/kWh

54 %share of energy used for aeration

what this estimate is · Inputs: 134,148 p.e. of reported load; equivalent average load 134,197 p.e. with the reference profile of Slovakia (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

12.1estimated hm³ of treated water per year

tertiary treatment reporteda starting point for reclamation

what this estimate is · Volume estimated from the reported load (33,135 m³/day of reference), not measured or available for reclamation.

LOCATION

Slovakia: 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
Cov Bytca	8.4 km	28,000	16,807	primary, secondary and tertiary
Cov Kysucke Nove Mesto	11.2 km	27,400	17,339	primary, secondary and tertiary
Cov Kysucky Lieskovec	15.3 km	2,800	1,074	primary and secondary
Cov Rajec	16.4 km	15,117	11,190	primary, secondary and tertiary
Cov Turzovka	18.1 km	18,114	6,253	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 COV Zilina report?

Reported size: 220,000 h-e design capacity. Received load: 134,148 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 COV Zilina?

Aguas SB simulator reference scenario for 134,148 p.e. of reported load: 4,603,669 kWh per year (34.3 kWh per p.e. of average load), with aeration as 54 % 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.