Worldwide wastewater treatment observatory · 
United Kingdom
Aguas SB Observatory · public data to understand water
WWTP MAPLE LODGE, BUCKS STW"
United Kingdom · official identifier UKENTH_TWU_TP000106
506,028h-e design capacity (2018) · 24th of 1,875
European Environment Agency — Waterbase-UWWTD, data call 2019 (v07.01) · official identifier UKENTH_TWU_TP000106 · reported size 506,028 h-e design capacity · received load 497,752 h-e · reported treatment: PS · data year 2018. 24th of 1,875 records with reported size in the inventory of United Kingdom; 0.53 % of the sum of those 1,875 records in h-e (sum of records, not national capacity); nearest inventoried plant at 4.9 km · 2 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 | 51.6167, -0.4964 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
- 2026-02-03 · The Environment Agency register dates the start of Maple Lodge discharge permit TH/CNTD.0071/010 to 3 February 2026. 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 L03; 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 |
|---|---|---|---|---|
| Gerrards Cross, Gerrards Cross, Stw" | 4.9 km | 8,204 | 8,204 | primary and secondary |
| Chesham, Bucks Stw" | 9.7 km | 37,306 | 34,601 | primary and secondary |
| Iver , Iver, Bucks Stw" | 11.2 km | 10,815 | 10,815 | primary and secondary |
| Blackbirds Wwtw | 13.2 km | 115,000 | 93,174 | primary and secondary |
| Berkhamsted Sewage Works, Bullbegga Stw" | 15.1 km | 24,886 | 24,886 | 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 MAPLE LODGE, BUCKS STW" report?
Reported size: 506,028 h-e design capacity. Received load: 497,752 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.