Worldwide wastewater treatment observatory · Netherlands

Aguas SB Observatory · public data to understand water

WWTP UWWTP LEEUWARDEN

Netherlands · official identifier NL02011

153,000h-e design capacity (2022) · 35th of 315

European Environment Agency — Waterbase-UWWTD, data call 2023 (versión final pública) · official identifier NL02011 · reported size 153,000 h-e design capacity · received load 135,953 h-e · reported treatment: PST · data year 2022. 35th of 315 records with reported size in the inventory of Netherlands; 0.72 % of the sum of those 315 records in h-e (sum of records, not national capacity); nearest inventoried plant at 11.5 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

153,000h-e design capacity

135,953h-e received load (2022)

89 %reported load/capacity ratio (not hydraulic utilisation)

35th of 315by reported size among the 315 records with a size in the inventory · 0.72 % 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	53.1950, 5.8286 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

2023-01-06 · The permit updating the waste codes accepted by the Leeuwarden wastewater treatment plant was published. Province of Friesland

Other published data

Mean annual volume treated reported in the 2022 cycle	14,744,540 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: Netherlands

Regulatory framework of Netherlands · 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

4,808,240reference kWh per year for this load

35.4kWh per h-e (average load) per year

721,236€ per year at 0.15 €/kWh

53 %share of energy used for aeration

what this estimate is · Inputs: 135,953 p.e. of reported load; equivalent average load 135,791 p.e. with the reference profile of Netherlands (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

13.1estimated hm³ of treated water per year

tertiary treatment reporteda starting point for reclamation

what this estimate is · Volume estimated from the reported load (35,892 m³/day of reference), not measured or available for reclamation.

LOCATION

Netherlands: 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
Uwwtp Grou	11.5 km	16,200	10,590	primary, secondary and tertiary
Uwwtp Burgum	11.7 km	40,500	22,686	primary, secondary and tertiary
Uwwtp Birdaard	12.0 km	19,800	20,156	primary, secondary and tertiary
Uwwtp St Annaparochie	15.4 km	9,000	11,069	primary, secondary and tertiary
Uwwtp Damwoude	16.3 km	27,000	23,090	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 UWWTP LEEUWARDEN report?

Reported size: 153,000 h-e design capacity. Received load: 135,953 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 UWWTP LEEUWARDEN?

Aguas SB simulator reference scenario for 135,953 p.e. of reported load: 4,808,240 kWh per year (35.4 kWh per p.e. of average load), with aeration as 53 % 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.