Worldwide wastewater treatment observatory · 
South Africa
Aguas SB Observatory · public data to understand water
WWTP Napier
The year refers to the inventory or source; it does not establish an individual observation date or current operation. Source note (original text): Access/update year is documented, not individual plant observation year.
South Africa · official identifier HW:51516
4,070population served estimated by the source (people) (2019) · 517th of 912 (tied with 1 others)
HydroWASTE v1.0 / South Africa · official identifier HW:51516 · size estimated by the source 4,070 population served estimated by the source (people) · reported treatment: Secondary · data year 2019. 517th of 912 records with size in the inventory of South Africa (tied with 1 others) (this plant: a source estimate); 0.02 % of the sum of those 912 records in people served (sum of records, not national capacity) · size estimated by the source ; nearest inventoried plant at 15.6 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 scientific inventory · 2019
| Treatment | Secondary · reported levels |
|---|---|
| Reported coordinates | -34.4740, 19.8890 reported precision: not analysed in source what it means |
| Source and year | HydroWASTE v1.0 / South Africa · dataset record |
REGULATORY REFERENCES
Referencia normativa: South Africa
Regulatory framework of South Africa. Individual applicability is not determined in this profile.
NEARBY PLANTS
Nearby wastewater treatment plants
| Plant | Distance | reported population served (people) | Treatment |
|---|---|---|---|
| Bredasdorp | 15.6 km | 13,689 | Secondary |
| Elim | 17.2 km | 1,598 | Secondary |
| Tesselaarsdal Wastewater Treatment | 34.8 km | 7 | Secondary |
| Riviersonderend | 36.2 km | 5,180 | Secondary |
| Waenhuiskrans | 37.9 km | 1,435 | Secondary |
Distances are between reported coordinates; proximity does not establish a hydraulic connection.
QUESTIONS
Frequently asked questions about this plant
What capacity does WWTP Napier report?
Size estimated by the source: 4,070 reported population served (people). Units are retained without conversion.
What treatment is reported?
Treatment Secondary. Nitrogen, phosphorus and UV are shown only when explicitly reported.
SOURCE AND CORRECTIONS
Source
reported data · HydroWASTE v1.0 / South Africa · data 2019 · 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.