Worldwide wastewater treatment observatory · Iceland

Aguas SB Observatory · public data to understand water

WWTP Höfuðborgarsvæðið, Ánanaust

Iceland · official identifier IS001-01

170,000h-e design capacity (2022) · 2nd of 22

European Environment Agency — Waterbase-UWWTD, data call 2023 (versión final pública) · official identifier IS001-01 · reported size 170,000 h-e design capacity · received load 117,763 h-e · reported treatment: T · data year 2022. 2nd of 22 records with reported size in the inventory of Iceland; 22.0 % of the sum of those 22 records in h-e (sum of records, not national capacity); nearest inventoried plant at 4.0 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

170,000h-e design capacity

117,763h-e received load (2022)

69 %reported load/capacity ratio (not hydraulic utilisation)

2nd of 22by reported size among the 22 records with a size in the inventory · 22.0 % of the sum of those records (sum of records, not national capacity) · the largest plants in the country · how it is calculated

Treatment	terciario (más riguroso) (as reported to the EEA: T) · reported levels
Nitrogen removal	not reported
Phosphorus removal	not reported
UV disinfection	not reported
Status	active
Reported coordinates	64.1530, -21.9551 precision reported by the source: level 1 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

1998 · The Ánanaust wastewater treatment plant in Reykjavík entered service in 1998. City of Reykjavík

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: Iceland

Regulatory framework of Iceland. Individual applicability is not determined in this profile.

SCENARIO

Reference energy scenario for this load estimate · simulator engine

3,887,656reference kWh per year for this load

33.0kWh per h-e (average load) per year

583,148€ per year at 0.15 €/kWh

56 %share of energy used for aeration

what this estimate is · Inputs: 117,763 p.e. of reported load; equivalent average load 117,765 p.e. with the reference profile of Iceland (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

8.6estimated hm³ of treated water per year

tertiary treatment reporteda starting point for reclamation

what this estimate is · Volume estimated from the reported load (23,553 m³/day of reference), not measured or available for reclamation.

LOCATION

Iceland: 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
Höfuðborgarsvæðið, Klettagarðar	4.0 km	285,000	205,743	not reported
Alftanes	6.2 km	3,000	2,530	not reported
Hraunavík, Hafnarfjörður	11.7 km	60,000	48,928	not reported
Akranes	20.2 km	35,000	86,285	not reported
Keflavik	34.3 km	not reported	16,226	not reported

Distances are between reported coordinates; proximity does not establish a hydraulic connection.

QUESTIONS

Frequently asked questions about this plant

What capacity does WWTP Höfuðborgarsvæðið, Ánanaust report?

Reported size: 170,000 h-e design capacity. Received load: 117,763 h-e. Units are retained without conversion.

What treatment is reported?

Treatment T. Nitrogen, phosphorus and UV are shown only when explicitly reported.

How much energy would a reference plant use with the load of Höfuðborgarsvæðið, Ánanaust?

Aguas SB simulator reference scenario for 117,763 p.e. of reported load: 3,887,656 kWh per year (33.0 kWh per p.e. of average load), with aeration as 56 % 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.