Worldwide wastewater treatment observatory · 
United Kingdom
Aguas SB Observatory · public data to understand water
WWTP STEVENSTON W.W.T.SERVICE
United Kingdom · official identifier UKSC_TP00174
132,783h-e design capacity (2018) · 127th of 1,875
European Environment Agency — Waterbase-UWWTD, data call 2019 (v07.01) · official identifier UKSC_TP00174 · reported size 132,783 h-e design capacity · received load 82,813 h-e · reported treatment: PS · data year 2018. 127th of 1,875 records with reported size in the inventory of United Kingdom; 0.14 % of the sum of those 1,875 records in h-e (sum of records, not national capacity); nearest inventoried plant at 7.7 km · 1 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 | not reported |
| UV disinfection | not reported |
| Status | active |
| Reported coordinates | 55.6259, -4.7418 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
- 2026-07 · Work to upgrade the rising main from Saltcoats to the Stevenston wastewater treatment plant was underway in July 2026. Scottish Environment Protection 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.
NEARBY PLANTS
Nearby wastewater treatment plants
| Plant | Distance | Capacity (h-e) | Load 2018 | Treatment |
|---|---|---|---|---|
| Meadowhead W.W.T. Service | 7.7 km | 470,250 | 332,371 | primary and secondary |
| Stewarton S.T.W. | 14.1 km | 8,500 | 7,222 | primary and secondary |
| Lochwinnoch S.T.W. | 20.2 km | 5,763 | 2,637 | primary and secondary |
| Largs S.T.W. | 23.4 km | 11,883 | 14,292 | primary and secondary |
| Coylton S.T.W. (Joppa S.T.W.) | 23.8 km | 7,000 | 2,678 | 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 STEVENSTON W.W.T.SERVICE report?
Reported size: 132,783 h-e design capacity. Received load: 82,813 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.