WWTP CHELMSFORD STW

United Kingdom · official identifier UKENAN_AW_TP000055

163,311h-e design capacity (2018) · 97th of 1,875

European Environment Agency — Waterbase-UWWTD, data call 2019 (v07.01) · official identifier UKENAN_AW_TP000055 · reported size 163,311 h-e design capacity · received load 143,980 h-e · reported treatment: PS · data year 2018. 97th of 1,875 records with reported size in the inventory of United Kingdom; 0.17 % of the sum of those 1,875 records in h-e (sum of records, not national capacity); nearest inventoried plant at 10.8 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

163,311h-e design capacity

143,980h-e received load (2018)

88 %reported load/capacity ratio (not hydraulic utilisation)

97th of 1,875by reported size among the 1,875 records with a size in the inventory · 0.17 % 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	51.7323, 0.5155 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

2001-01-01 · The environmental register records the start date of permit AN/AW2TSE9961/001 for the Chelmsford wastewater plant. 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 L06; 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
Ingatestone Stw	10.8 km	8,220	7,399	primary and secondary
Woodham Ferrers Stw	11.3 km	29,000	17,398	primary and secondary
Witham Stw	11.4 km	75,600	39,260	primary and secondary
White Notley Stw	12.7 km	5,500	4,109	primary and secondary
Wickford Stw	13.2 km	41,689	41,689	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 CHELMSFORD STW report?

Reported size: 163,311 h-e design capacity. Received load: 143,980 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.