World wastewater treatment plant observatory · data as reported by each inventory

Wastewater treatment plants in New Zealand

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317 inventory records · HydroWASTE v1.0 / New Zealand

Data years: 2019. The inventory date does not establish current operation.

317 results

CompareNameNative sizeYear
Featherston WWTPHW:528402,735 population served2019
Karoro_ParoaHW:528172,635 population served2019
Greytown WWTPHW:528412,438 population served2019
WintonHW:527342,430 population served2019
MuruparaHW:529202,361 population served2019
CoromandelHW:529902,205 population served2019
TaihapeHW:528902,200 population served2019
AhiparaHW:530252,100 population served2019
Mataura WWTPHW:527312,093 population served2019
CobdenHW:528192,080 population served2019
WaipawaHW:528802,028 population served2019
ElthamHW:528992,007 population served2019
Bluff Wastewater Treatment PlantHW:527172,000 population served2019
HaheiHW:529871,984 population served2019
LawrenceHW:527451,980 population served2019
Motutere Camp GroundHW:529091,972 population served2019
Warkworth Alnwick StreetHW:529991,953 population served2019
BullsHW:528701,948 population served2019
EdgecumbeHW:529401,932 population served2019
RunangaHW:528201,930 population served2019
RaweneHW:530181,800 population served2019
KaitaiaHW:530261,757 population served2019
Te Kauwhata WWTPHW:529651,720 population served2019
OxfordHW:529271,685 population served2019
WoodvilleHW:528611,657 population served2019
Martinborough WWTPHW:528381,641 population served2019
Clarks Beach Stella DriveHW:529801,607 population served2019
OpunakeHW:528981,605 population served2019
Foxton WWTPHW:528551,576 population served2019
Shannon WWTPHW:528541,573 population served2019
Te KarakaHW:529181,553 population served2019
KinlochHW:529171,552 population served2019
HikurangiHW:530151,497 population served2019
HaweaHW:527761,473 population served2019
AkaroaHW:527871,450 population served2019
WaikouaitiHW:527551,443 population served2019
Snells_Algies Hamatana Rd Snells BeachHW:529981,440 population served2019
NgunguruHW:530131,435 population served2019
PateaHW:528891,405 population served2019
Greta ValleyHW:528081,395 population served2019
AtiamuriHW:529231,386 population served2019
Upper TakakaHW:528451,365 population served2019
TakakaHW:528471,365 population served2019
OhakuneHW:529011,347 population served2019
OnemanaHW:529781,323 population served2019
MaketuHW:529491,288 population served2019
Diamond HarbourHW:527961,167 population served2019
Edendale WyndhamHW:527271,162 population served2019
ManaiaHW:528941,154 population served2019
RanfurlyHW:527641,133 population served2019
WaiholaHW:527411,119 population served2019
RaetihiHW:528961,113 population served2019
Kawakawaa Bay Orere RoadHW:529841,110 population served2019
MangawhaiHW:530041,110 population served2019
RakaiaHW:527901,100 population served2019
TwizelHW:527811,088 population served2019
WaipuHW:530071,060 population served2019
Governors BayHW:527951,050 population served2019
SansonHW:528691,042 population served2019
OmahaHW:530001,023 population served2019
ReeftonHW:528231,013 population served2019
WaverleyHW:528881,003 population served2019
Kerepehi WWTPHW:52968992 population served2019
WhakamaruHW:52922986 population served2019
PalmerstonHW:52760976 population served2019
AwatotoHW:52893966 population served2019
TAneatuaHW:52935966 population served2019
OtautauHW:52735892 population served2019
MaungaturotoHW:53003888 population served2019
BlackballHW:52821885 population served2019
WestonHW:52767868 population served2019
StirlingHW:52730867 population served2019
HihiHW:53029843 population served2019
HeriotHW:52749810 population served2019
MurchisonHW:52824796 population served2019
FairlieHW:52782778 population served2019
RivertonRocksHW:52723770 population served2019
RivertonTownsideHW:52724770 population served2019
WaitahanuiHW:52913767 population served2019
MangakinoHW:52924767 population served2019
RoxburghHW:52756755 population served2019
WallacetownHW:52725720 population served2019
TirauHW:52943717 population served2019
KohukohuHW:53019700 population served2019
SeddonHW:52827685 population served2019
TekapoHW:52784683 population served2019
WaikariHW:52810673 population served2019
Waikaka WWTPHW:52743672 population served2019
Kimbolton EDSHW:52876660 population served2019
OtaneHW:52884640 population served2019
GisborneHW:52914637 population served2019
ManapouriHW:52754636 population served2019
Tokomaru WWTPHW:52856629 population served2019
EketahunaHW:52850621 population served2019
RangiputaHW:53030590 population served2019
HavelockHW:52836571 population served2019
TuatapereHW:52733570 population served2019
Te KopuruHW:53006555 population served2019
RongoteaHW:52865550 population served2019
Amberley and DistrictHW:52806547 population served2019

Regulatory context

Partial review. This is not an exhaustive review of applicable law.

New Zealand: standards and resource consent

Partial documentary review; human legal review pending. The first national standards took effect on 19 December 2025, with corrections from 17 August 2026. They cover public networks through regional consent conditions. Overflows and bypasses have a deferred timetable. Second-tranche odour and metals proposals are not treated as enacted law.

  • Confirm public-network status, receiving environment, consent and each standard's transition rules.
  • Outside the standards' scope, the Resource Management Act consenting regime still needs review.

References reviewed: 2026-11-06. Individual applicability: undetermined. This profile does not establish authorization or compliance.