WWTP LONDON (Mogden STW)

United Kingdom · official identifier UKENTH_TWU_TP000113

2,013,584h-e design capacity (2018) · 4th of 1,875

European Environment Agency — Waterbase-UWWTD, data call 2019 (v07.01) · official identifier UKENTH_TWU_TP000113 · reported size 2,013,584 h-e design capacity · received load 1,980,153 h-e · reported treatment: PS · data year 2018. 4th of 1,875 records with reported size in the inventory of United Kingdom; 2.1 % of the sum of those 1,875 records in h-e (sum of records, not national capacity); nearest inventoried plant at 7.3 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 · 2018

2,013,584h-e design capacity

1,980,153h-e received load (2018)

98 %reported load/capacity ratio (not hydraulic utilisation)

4th of 1,875by reported size among the 1,875 records with a size in the inventory · 2.1 % 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	not reported
Phosphorus removal	not reported
UV disinfection	not reported
Status	active
Reported coordinates	51.4597, -0.3402 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

1936 · The West Middlesex drainage scheme redirected Chiswick’s wastewater to the new Mogden works. Ayuntamiento de Wandsworth, Thames Strategy

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
London (Hogsmill Valley Stw)	7.3 km	421,000	407,056	primary and secondary
Esher, Farm Road, Esher, Surrey Stw"	8.9 km	128,252	113,887	primary and secondary
Iver , Iver, Bucks Stw"	12.5 km	10,815	10,815	primary and secondary
Weybridge ( Seven Archesbridge Stw	14.5 km	19,300	18,530	primary and secondary
Chertsey, Lyne Lane, Chertsey, Stw"	15.4 km	89,877	89,877	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 LONDON (Mogden STW) report?

Reported size: 2,013,584 h-e design capacity. Received load: 1,980,153 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.