Worldwide wastewater treatment observatory · United Kingdom

Aguas SB Observatory · public data to understand water

WWTP SLOUGH, WOOD STW"

United Kingdom · official identifier UKENTH_TWU_TP000133

239,901h-e design capacity (2018) · 64th of 1,875

European Environment Agency — Waterbase-UWWTD, data call 2019 (v07.01) · official identifier UKENTH_TWU_TP000133 · reported size 239,901 h-e design capacity · received load 210,491 h-e · reported treatment: PS · data year 2018. 64th of 1,875 records with reported size in the inventory of United Kingdom; 0.25 % of the sum of those 1,875 records in h-e (sum of records, not national capacity); nearest inventoried plant at 5.1 km · 3 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

239,901h-e design capacity
210,491h-e received load (2018)
88 %reported load/capacity ratio (not hydraulic utilisation)
64th of 1,875by reported size among the 1,875 records with a size in the inventory · 0.25 % of the sum of those records (sum of records, not national capacity) · the largest plants in the country · how it is calculated
Treatmentprimary + secondary (as reported to the EEA: PS) · reported levels
Nitrogen removalnot reported
Phosphorus removalyes
UV disinfectionnot reported
Statusactive
Reported coordinates51.5039, -0.6428 precision reported by the source: level 2 what it means
Source and yearEuropean Environment Agency — Waterbase-UWWTD, data call 2019 (v07.01) · dataset record

FUENTES PÚBLICAS

What public sources report

Documented milestones

  • 2025-06-18 · The environmental register records this date as the start of a discharge permit for the treatment plant at Slough, Wood Lane. Environment Agency

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: 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

PlantDistanceCapacity (h-e)Load 2018Treatment
Maidenhead, Braywick Road, Maid Stw"5.1 km87,58884,314primary and secondary
Windsor, Ham Island, Old Windso Stw"6.8 km40,90039,096primary and secondary
White Waltham, White Waltham, B Stw"7.9 km5,6375,637primary and secondary
Little Marlow Stw10.2 km184,812184,812primary and secondary
Iver , Iver, Bucks Stw"10.2 km10,81510,815primary 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 SLOUGH, WOOD STW" report?

Reported size: 239,901 h-e design capacity. Received load: 210,491 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.