Worldwide wastewater treatment observatory · 
Portugal
Aguas SB Observatory · public data to understand water
WWTP Qta dos Gatos
Portugal · official identifier PT18310251
6,300h-e design capacity (2022) · 301st of 527 (tied with 1 others)
Facility inactive according to reported data. Historical profile: excluded from current aggregates.
European Environment Agency — Waterbase-UWWTD, data call 2023 (versión final pública) · official identifier PT18310251 · reported size 6,300 h-e design capacity · reported treatment: PS · data year 2022. 301st of 527 records with reported size in the inventory of Portugal (tied with 1 others); 0.04 % of the sum of those 527 records in h-e (sum of records, not national capacity); nearest inventoried plant at 1.1 km · 8 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 · 2022
| Treatment | primary + secondary (as reported to the EEA: PS) · reported levels |
|---|---|
| Nitrogen removal | not reported |
| Phosphorus removal | not reported |
| UV disinfection | not reported |
| Status | inactive according to reported data |
| Reported coordinates | 38.9290, -8.8859 precision reported by the source: level 2 what it means |
| Source and year | European Environment Agency — Waterbase-UWWTD, data call 2023 (versión final pública) · dataset record |
REGULATORY REFERENCES
Referencia normativa: Portugal
Regulatory framework of Portugal · Directive (EU) 2024/3019: reported-capacity band 1,000 to 9,999 p.e.; obligations are set by agglomeration load, not by the capacity of this plant. Individual applicability is not determined in this profile.
NEARBY PLANTS
Nearby wastewater treatment plants
| Plant | Distance | Capacity (h-e) | Load 2022 | Treatment |
|---|---|---|---|---|
| Samora Correia Sudoeste | 2.1 km | 18,550 | 5,700 | primary and secondary |
| Esteveira | 2.2 km | 8,000 | 8,000 | primary and secondary |
| Murteira | 3.1 km | 5,375 | 2,600 | primary and secondary |
| Cerrado das Aguas | 8.3 km | 8,000 | 5,500 | primary and secondary |
| Vila Franca de Xira | 8.7 km | 73,221 | 33,200 | 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 Qta dos Gatos report?
Reported size: 6,300 h-e design capacity. 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 2023 (versión final pública) · data 2022 · edition 2023 · 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.