Hukumar hula da gurɓatar ruwa
Ƙungiyar Muhalli ta Ruwa (WEF) ƙungiya ce mai zaman kanta ta fasaha da ilimi wadda ba ta riba ba fiye da 34,000 mutane da ƙungiyoyi 75 (MAs) masu wakiltar  ƙwararrun ɓangarorin ruwa a duniya. WEF, wadda a da aka fi sani da (Federation of Sewage Works Associations) kuma daga baya a matsayin Hukumar Kula da Gurbacewar Ruwa, da membobinta sun kare lafiyar jama'a da muhalli tun shekarata 1928.

Manufa
A matsayinta na shugaban sashen ruwa na duniya, manufar kungiyar ita ce ta hada kwararru a ɓangarorin harkokin ruwa; wadatar da ƙwararrun ruwa; ƙara fahimtar tasiri da darajar ruwa; da kuma samar da wani dandali na kirkiro sassan ruwa.

Membobi
Membobin WEF sun haɗa da ƙwararru da ƙwararru a fannonin:

 injiniyan muhalli
 masana'antu sharar gida magani
 kula da najasa da najasa sludge magani
 sarrafa ruwan guguwa
 nazarin ingancin ruwa da tsarawa

da kuma fannonin da suka danganci su. 

WEF tana da hedikwata a Alexandria, Virginia, Amurka .

Labarai da Taro 
Bugu da ƙari, littattafai, rahotannin fasaha, da kuma tarurrukan tarurruka, WEF ta buga mujallar da aka yi nazari a kan takwarorinsu, sannan kuma Binciken Muhalli na Ruwa, da mujallar, Fasahar Muhalli na Ruwa. WEF tana daukar nauyin tarurrukan musamman na gida da na kasa, da kuma taron WEFTEC na shekara-shekara - Water Environment Federation Technical Exposition and Conference.

Kyauta 
Don gane daidaikun mutane da ƙungiyoyi a fagage da dama, WEF tana ɗaukar kyaututtuka a cikin nau'ikan: Takardun Buga; Kuma Ƙwarewar Ayyuka da Ƙira; Ilimi; Mutum Sabis da Gudunmawa; Yan uwa; Ƙungiya da Ƙungiya Gane; Ruwan Ruwan Ruwa na Municipal na ƙasa da Green Infrastructure, da kuma godiya ga Shugaban Kwamitin Sabis.

Duba wasu abubuwan 

 Ƙungiyar Ayyukan Ruwa na Amurka - Ƙwararrun ƙungiyar kula da ruwan sha
 Ƙungiyar Ƙungiyoyin Tsabtace Ruwa ta Ƙasa (NACWA) - Hukumomin kula da najasa na ƙananan hukumomin Amurka
 Samar da ruwa da tsaftar muhalli a Amurka

Manazarta

Hanyoyin haɗi na waje