Sad news: Last update run was on March 30th, 2025. Some people were not nice to the waymarking.com website, and so it is no longer possible to access some of the pages without logging in. The category pages are part of these. Creating a workaround for that may take some time - even more, because I'm currently busy with other more urgent thingies. Hopefully I'll find time in May to fix that. See also the according thread in the forum.

Yours, Erik.

 Wastewater Treatment Facilities

See category Wastewater Treatment Facilities on Waymarking.com .
Last import of category containing 225 waymarks in 20 different countries with 88 regions was on 2025-03-16.

First in
country
CountryRegionOwnerApproved onWM-CodeTitle
starsAustraliaNew South WalesGrahame Cookie2017-01-19WMTXN8Old Bar WWTP, Wallabi Point, NSW, Australia
starsAustriaTirolluzzi-reloaded2011-11-09WMCZECKlärwerk Telfs, Tirol, Austria
BelgiumBrabant wallonPaulLassiter2019-01-21WMZXRZStation d'épuration de Villers-la-Ville - Villers-la-Ville - Belgique
starsBelgiumOost-Vlaanderenlopac442009-09-18WM780XWastewater treament zwalm,Oost-vlaanderen,Belgium
BelgiumWest-Vlaanderenlopac442009-10-07WM7BFPAquafin Oostende,West-vlanderen ,Belgium
starsBrazilSão Paulosaopaulo12008-01-23WM2T03Estacao de Tratamento de Esgotos ABC - Sao Paulo, Brazil
CanadaAlbertagraylling2008-10-07WM4WKRFish Creek Wastewater Treatment Plant - Calgary, AB, Canada
CanadaBritish ColumbiaT0SHEA2015-12-17WMQ4CBChristina Lake Solar Aquatic System - Christina Lake, BC
CanadaManitobaPeterNoG2008-03-24WM3DK9North End Water Pollution Control Centre - Winnipeg MB
starsCanadaOntariomonkeys4ever2008-03-02WM39WGWater Pollution Control Centre - Barrie Ontario, Canada
CanadaQuébectatie2012-01-25WMDK1FStation d'épuration de Fabreville - Laval, Qc, Canada
CzechiaHlavní město PrahaDorcadion Team2014-04-10WMKFPTPrague Central Wastewater Treatment Plant / Ústrední cistírna odpadních vod Praha (Czech Republic)
starsCzechiaJihomoravský krajpuczmeloun2012-06-03WMEGKBCOV Moravany - Moravany, Czech Republic
CzechiaMoravskoslezský krajToRo612014-09-13WMMEB5Wastewater Treatment Facility - Koprivnice, Czech Republic
starsDenmarkRegion SjællandWalking Boots2020-04-09WM129Y2Korsør Rensningsanlæg - Korsør, Danmark
starsFinlandVarsinais-Suomizeepia2024-11-26WM1B39QKakolanmäki wastewater treatment plant - Turku, Finland
FranceCentre-Val-de-LoireDragon Ball2014-11-25WMMVA1Station de traitement de l'eau à Montlouis-sur-Loire (Centre, France)
FranceHauts-de-Francepmaupin2017-12-25WMXC7TLa station d’épuration - Bouvaincourt-sur-Bresle, France
starsFranceNouvelle-Aquitainesara et gege2014-05-05WMKN3Cusine traitement eaux - Granzay-Gript,FR
FrancePays de la LoireAlfouine2018-10-02WMZ8YYUsine de traitement des eaux - Neuville sur Sarthe - France
FranceProvence-Alpes-Côte d'AzurYvesProvence2018-02-13WMXQEKStation d'épuration d'Artigues, Grand Ubac - Artigues, Paca, France
GermanyBaden-WürttembergTante.Hossi2013-05-29WMH5NQKläranlage Bondorf-Hailfingen - Hailfingen, Germany, BW
GermanyHamburgKladings2023-01-02WM16W8GKlärwerk - Hamburg, Germany
GermanyHessenAndré de Montbard2015-10-26WMPVJRKA Immenhausen-Holzhausen, HE, Germany
GermanyNordrhein-WestfalenMaisi22016-10-07WMT79AKläranlage Beuel - Bonn, NRW, Germany
GermanyRheinland-Pfalzkaschper692016-06-28WMRJDFZweckverband Zentralkläranlage Mendig, Rhineland-Palatinate, Germany
GermanySachsen-Anhaltkishin2014-08-19WMM4QVDie Abwasserkläranlage - Dessau, Saxony-Anhalt, Germany
starsGermanySchleswig-HolsteinGrizzly-NF2010-12-22WMA9P9Kläranlage Hattstedt, GE
starsIsle of ManMike_bjm2018-03-25WMY008Balladoole Waste Water Treatment Works - Lezayre, Isle of Man
starsLuxembourgColleIsarco2025-01-14WM1AD5QKlärwerk Beaufort - Canton Echternach - Lëtzeburch
NetherlandsFrieslandPetjeOp2022-03-13WM15V8Briool water zuivering - Joure, NL
NetherlandsGelderlandHeva2022-08-30WM16MJXRioolwaterzuivering - Ede, Gelderland NL
NetherlandsNoord-BrabantT-Team!2021-09-27WM151F8RWZI Waalwijk - Waalwijk, NL
NetherlandsOverijsselh35per052015-05-11WMNW0VRWZI - Deventer, NL
NetherlandsUtrechtAndre 612022-03-25WM15X89RWZI Woerden - Woerden - NL
starsNetherlandsZuid-HollandAxel-F2012-09-02WMF6CDWastewater Treatment Facility Alphen a/d Rijn -Noord (NL)
starsNew ZealandNorth IslandPunga and Paua2008-09-25WM4QYCRosedale Waste Water Treatment Plant. North Shore City. New Zealand.
starsPolandMazowieckieokrutnyb2024-11-14WM1B171Oczyszczalnia scieków Czajka - Warszawa, Polska
PortugalFaroTorgut2012-01-29WMDKPQETAR de Almargem - Cabanas de Tavira, Portugal
PortugalLeiriah_raky2010-12-22WMAAP3Etar Caldas da Rainha-Portugal
PortugalLisboamanchanegra2011-08-31WMC1RXEtar de Porto Dinheiro, Lourinhã, Portugal
starsPortugalSetúbalSUp3rFM & Cruella2008-07-04WM43T5ETAR do Valdeão - Pragal, Portugal
SpainAndalucíaAriberna2023-07-08WM18CCBEMACSA Medina Azahara - Córdoba, Andalucía, España
SpainCastilla-La ManchaWizard_Speed_Time2021-12-29WM15FQXEDAR Albacete, Castilla-La Mancha (Spain)
SpainComunidad de Madridxeocach2023-05-15WM18212EDAR Picadas - San Martín de Valdeiglesias, Madrid, España
SpainGaliciaAriberna2020-08-24WM1316JEDAR reza - Ourense, Galicia, España
starsSpainIslas CanariasWindschattenwanderer2019-02-01WM10072Estación Depuradora de Aguas Residuales de Barranco Seco - Las Palmas de Gran Canaria, Gran Canaria, España
SpainPrincipado de AsturiasAriberna2021-10-15WM154KWBombeo - Cudillero, Asturias, España
SwitzerlandAargaufi672012-07-23WMEXWMARA Rheinfelden-Magden - Rheinfelden, AG, Switzerland
starsSwitzerlandBasel Landschaftfi672009-10-20WM7EZQARA Birsig - Therwil, BL, Switzerland
SwitzerlandFribourgfi672018-10-23WMZD6QARA Region Murten - Muntelier, FR, Switzerland
SwitzerlandGraubündenfi672011-04-03WMB344ARA - Bergün, GR, Switzerland
SwitzerlandSolothurnfi672016-03-09WMQNV7ARA - Rodersdorf, SO, Switzerland
SwitzerlandValaisfi672015-06-30WMP4K4ARA Briglina - Gamsen, VS, Switzerland
SwitzerlandVaudfi672018-07-28WMYVFRUsine de traitement des eaux usées - Cudrefin, VD, Switzerland
SwitzerlandZürichfi672017-11-21WMX3A6ARA Limeco - Dietikon, ZH, Switzerland
starsUnited KingdomEast MidlandsDragontree2010-04-08WM8HJKPitsford Water Treatment Works - Pitsford, Northamptonshire, UK
United KingdomLondonAngelPick2011-05-01WMBBE8Mogden Sewage Treatment Works, Isleworth, London
United KingdomWest MidlandsDeadjesters2010-07-17WM95R7Pershore Waste Water Plant - Pershore - Worcestershire - UK
United StatesArizonajennyanykind2014-08-05WMM7KDChandler-Ocotillo Water Reclamation Facility - Chandler, AZ
United StatesCaliforniateeoff22007-12-09WM2QQ1Pismo Beach Wastewater Treatment Plant - Pismo Beach, California USA
United StatesColoradoOutspoken12007-12-28WM2VERMetro Wastewater Reclamation District - Denver Metro Area, CO
United StatesFloridaMarine Biologist2007-12-28WM2TF1City of Atlantic Beach Waste Water Treatment Plant Facility #2 - Atlantic Beach, FL
United StatesGeorgiaChapterhouseInc2009-07-22WM6V23Wastewater Treatment Facility - Athens, GA
United StatesIndianathegorilla232011-03-27WMB053Westside Wastewater Treatment Plant - Evansville, IN
United StatesKansasBenchmark Blasterz2013-04-30WMGZ3WMunicipal Waterworks -- Salina KS
United StatesKentuckySimplenfun2011-08-20WMCAWVMorehead Utility Plant Board WWTP - Morehead, KY, USA
United StatesMaineNorStar2015-11-29WMQ1JBBelfast Wastewater Treatment Facility - Belfast, ME
United StatesMarylandbluesnote2018-12-25WMZQGVEastern Avenue Sewage Pumping Station - Baltimore, MD
United StatesMassachusettsNorStar2012-09-02WMF6EQThe Deer Island Sewage Treatment Plant - Boston, MA
starsUnited StatesMichiganGT.US2007-12-09WM2QRYAnn Arbor Waste Water Treatment Plant
United StatesMinnesotaSiren Hunter2013-07-07WMA6WJRochester Water Reclamation Plant - Rochester, MN, USA
United StatesMissouriGEO*Trailblazer 12008-01-07WM2X8QCassville Wastewater Treatment Facility
United StatesNebraska68467lib2010-06-28WM93NZWatewater Treatment Facility - York, NE, U.S.A.
United StatesNew HampshireMountain_Wanderer2008-09-11WM4N2MNashua Wastewater Treatment Facility - Nashua, NH
United StatesNew YorkRayman2008-01-11WM2W6QTown of Tonawanda Waste Water Facility - Tonawanda, NY
United StatesNorth CarolinaNCDaywalker2016-02-27WMQ8B0Moore County Pollution Control Plant
United StatesOhioWeb-ling2010-06-15WM911VFairfield Wastewater Treatment Facility - Fairfield, OH
United StatesOklahomaThe Snowdog2018-12-17WMZPVNLake Hefner Water Treatment Plant - Oklahoma City, OK
United StatesOregonshadow1012009-02-08WM5RR4River Road Park Wet Weather Treatment Facility - Salem, Oregon
United StatesPennsylvaniaGo Boilers!2009-09-09WM6WWBMeadowbrook Road Treatment Plant - Murrysville, PA
United StatesRhode Island401Photos2022-05-01WM1640KWoonsocket Regional Wastewater Plant - Woonsocket, Rhode Island
United StatesSouth CarolinaHawaiian Ninja2008-11-23WM573DWCRSA PELHAM Wastewater Treatment Plant - Greer, SC
United StatesTennesseevhasler2008-09-25WM4RNZEastman Chemical Co. wastewater facility - Kingsport, TN
United StatesTexasJimmyEv2008-04-24WM3NCKMcAllen Public Utilities South Treatment Plant - McAllen, Texas
United StatesUtahLord Mot2011-04-21WMB8PDSouth Davis County Sewer Improvement Dist. Water Reclaimation Facility
United StatesVirginiagarmin_geek2011-04-21WMB88NAquia Regional Treatment Facility - Stafford, VA
United StatesWashingtonHikenutty2007-12-30WM2W6ZLakota Wastewater Treatment Plant - Federal Way, WA
United StatesWest Virginiabobfrapples82023-09-11WM18Q9HPoint Pleasant Wastewater treatment plant - Point Pleasant, WV
United StatesWisconsinonfire4jesus2008-05-08WM3QWYWisconsin Rapids Wastewater Treatment Facility - Wisconsin Rapids, WI, USA