WWTP Wellsford 18km south of Wellsford

The year refers to the inventory or source; it does not establish an individual observation date or current operation. Source note (original text): Supplement S1.10: 317 of 323 records, six lacked coordinates.

New Zealand · official identifier HW:53001

20,896reported population served (people) (2019) · 29th of 317

HydroWASTE v1.0 / New Zealand · official identifier HW:53001 · reported size 20,896 reported population served (people) · reported treatment: Secondary · data year 2019. 29th of 317 records with reported size in the inventory of New Zealand; 0.56 % of the sum of those 317 records in people served (sum of records, not national capacity); nearest inventoried plant at 15.7 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

20,896reported population served (people)

29th of 317by reported size among the 317 records with a size in the inventory · 0.56 % of the sum of those records (sum of records, not national capacity) · the largest plants in the country · how it is calculated

Treatment	Secondary · reported levels
Reported coordinates	-36.3100, 174.5410 position validation in the source: medium what it means
Source and year	HydroWASTE v1.0 / New Zealand · dataset record

REGULATORY REFERENCES

Referencia normativa: New Zealand

Regulatory framework of New Zealand. Individual applicability is not determined in this profile.

LOCATION

New Zealand: this plant on the map

this plant on the map · regional directory.

NEARBY PLANTS

Nearby wastewater treatment plants

Plant	Distance	reported population served (people)	Treatment
Warkworth Alnwick Street	15.7 km	1,953	Advanced
Kaiwaka	19.1 km	429	Secondary
Omaha	19.1 km	1,023	Advanced
Snells_Algies Hamatana Rd Snells Beach	20.2 km	1,440	Secondary
Mangawhai	23.4 km	1,110	Secondary

Distances are between reported coordinates; proximity does not establish a hydraulic connection.

QUESTIONS

Frequently asked questions about this plant

What capacity does WWTP Wellsford 18km south of Wellsford report?

Reported size: 20,896 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 / New Zealand · 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.