WWTP PORTSMOUTH AND HAVANT STW

United Kingdom · official identifier UKENSO_SW_TP000004

374,241h-e design capacity (2018) · 42nd of 1,875

European Environment Agency — Waterbase-UWWTD, data call 2019 (v07.01) · official identifier UKENSO_SW_TP000004 · reported size 374,241 h-e design capacity · received load 374,241 h-e · reported treatment: PS · data year 2018. 42nd of 1,875 records with reported size in the inventory of United Kingdom; 0.39 % of the sum of those 1,875 records in h-e (sum of records, not national capacity); nearest inventoried plant at 4.9 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 · 2018

374,241h-e design capacity

374,241h-e received load (2018)

100 %reported load/capacity ratio (not hydraulic utilisation)

42nd of 1,875by reported size among the 1,875 records with a size in the inventory · 0.39 % 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 (as reported to the EEA: PS) · reported levels
Nitrogen removal	yes
Phosphorus removal	not reported
UV disinfection	not reported
Status	active
Reported coordinates	50.8442, -0.9936 precision reported by the source: level 2 what it means
Source and year	European Environment Agency — Waterbase-UWWTD, data call 2019 (v07.01) · dataset record

FUENTES PÚBLICAS

What public sources report

Documented milestones

2023-03-16 · The Planning Inspectorate recorded coordination between permits for the Hampshire water recycling proposal and existing permits for Budds Farm treatment works. Planning Inspectorate

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: United Kingdom

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

LOCATION

United Kingdom: this plant on the map

this plant on the map · regional directory.

NEARBY PLANTS

Nearby wastewater treatment plants

Plant	Distance	Capacity (h-e)	Load 2018	Treatment
Thornham Stw	4.9 km	21,249	21,027	primary and secondary
Bosham Stw	10.3 km	3,891	3,816	primary and secondary
Chichester Stw	13.4 km	39,631	39,631	primary and secondary
Fareham And Gosport, Hamble, Hedge End (Peel Common) Stw"	14.2 km	269,373	269,373	primary and secondary
Wickham Stw	15.3 km	2,442	2,442	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 PORTSMOUTH AND HAVANT STW report?

Reported size: 374,241 h-e design capacity. Received load: 374,241 h-e. Units are retained without conversion.

What treatment is reported?

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

SOURCE AND CORRECTIONS

Source

reported data · European Environment Agency — Waterbase-UWWTD, data call 2019 (v07.01) · data 2018 · edition 2019 · 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.