Worldwide wastewater treatment observatory · 
United Kingdom
Aguas SB Observatory · public data to understand water
WWTP TREGARTH STW
United Kingdom · official identifier UKWAWA_WW_TP000092
2,647h-e design capacity (2018) · 1711th of 1,875 (tied with 1 others)
European Environment Agency — Waterbase-UWWTD, data call 2019 (v07.01) · official identifier UKWAWA_WW_TP000092 · reported size 2,647 h-e design capacity · received load 2,647 h-e · reported treatment: PS · data year 2018. 1711th of 1,875 records with reported size in the inventory of United Kingdom (tied with 1 others); < 0.01 % of the sum of those 1,875 records in h-e (sum of records, not national capacity); nearest inventoried plant at 1.3 km · 7 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 | 53.1961, -4.0849 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 |
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 |
|---|---|---|---|---|
| Bethesda Stw | 1.3 km | 5,152 | 4,202 | primary and secondary |
| Treborth Bangor Stw | 6.7 km | 36,466 | 32,487 | primary, secondary and tertiary |
| L/Fr Pg Wwtw Stw | 8.1 km | 4,510 | 4,510 | primary and secondary |
| Llanfairfecn Stw | 8.2 km | 4,010 | 4,010 | primary and secondary |
| Llanfaes Stw | 8.7 km | 10,613 | 6,447 | 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 TREGARTH STW report?
Reported size: 2,647 h-e design capacity. Received load: 2,647 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.