Worldwide wastewater treatment observatory · 
United Kingdom
Aguas SB Observatory · public data to understand water
WWTP OXFORD STW
United Kingdom · official identifier UKENTH_TWU_TP000159
215,546h-e design capacity (2018) · 69th of 1,875
European Environment Agency — Waterbase-UWWTD, data call 2019 (v07.01) · official identifier UKENTH_TWU_TP000159 · reported size 215,546 h-e design capacity · received load 195,283 h-e · reported treatment: PS · data year 2018. 69th of 1,875 records with reported size in the inventory of United Kingdom; 0.23 % of the sum of those 1,875 records in h-e (sum of records, not national capacity); nearest inventoried plant at 6.8 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
| Treatment | primary + secondary (as reported to the EEA: PS) · reported levels |
|---|---|
| Nitrogen removal | not reported |
| Phosphorus removal | yes |
| UV disinfection | not reported |
| Status | active |
| Reported coordinates | 51.7162, -1.2141 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
- 2025-11-05 · The environmental register records this date as the start of a discharge permit for the treatment plant at Oxford, Sandford-on-Thames. 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.
NEARBY PLANTS
Nearby wastewater treatment plants
| Plant | Distance | Capacity (h-e) | Load 2018 | Treatment |
|---|---|---|---|---|
| Culham, Culham, Clifton Hampden Stw" | 6.8 km | 4,381 | 4,171 | primary and secondary |
| Wheatley, Wheatley, Oxon Stw" | 7.1 km | 4,933 | 4,886 | primary and secondary |
| Dorchester Stw (Oxon) | 9.4 km | 25,841 | 2,202 | primary and secondary |
| Drayton, Drayton, Oxon Stw" | 10.8 km | 7,814 | 6,709 | primary and secondary |
| Appleton, Abingdon, Oxon Stw" | 10.9 km | 5,806 | 5,802 | 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 OXFORD STW report?
Reported size: 215,546 h-e design capacity. Received load: 195,283 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.