Worldwide wastewater treatment observatory · United Kingdom

Aguas SB Observatory · public data to understand water

WWTP THEYDON BOIS STW

United Kingdom · official identifier UKENTH_TWU_TP000141

4,289h-e design capacity (2018) · 1413th of 1,875

European Environment Agency — Waterbase-UWWTD, data call 2019 (v07.01) · official identifier UKENTH_TWU_TP000141 · reported size 4,289 h-e design capacity · received load 4,289 h-e · reported treatment: PS · data year 2018. 1413th of 1,875 records with reported size in the inventory of United Kingdom; < 0.01 % of the sum of those 1,875 records in h-e (sum of records, not national capacity); nearest inventoried plant at 2.4 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

4,289h-e design capacity
4,289h-e received load (2018)
100 %reported load/capacity ratio (not hydraulic utilisation)
1413th of 1,875by reported size among the 1,875 records with a size in the inventory · < 0.01 % 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 removalnot reported
UV disinfectionnot reported
Statusactive
Reported coordinates51.6614, 0.1355 precision reported by the source: level 2 what it means
Source and yearEuropean Environment Agency — Waterbase-UWWTD, data call 2019 (v07.01) · dataset record

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
Epping, Fiddlers Hamlet, Epping Stw"2.4 km13,18912,942primary and secondary
North Weald, North Weald, Essex Stw"6.8 km5,6185,308primary and secondary
Stanford Rivers, Ongar, Essex Stw"7.0 km7,8217,821primary and secondary
Nags Head Lane ( Brentwood Stw10.4 km36,67036,670primary and secondary
Doddinghurst Stw12.7 km8,7006,414primary 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 THEYDON BOIS STW report?

Reported size: 4,289 h-e design capacity. Received load: 4,289 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.