Cibiyar Ruwa mai araha da Fasahar Tsabtace Yanayi

Cibiyar Fasahar Tsabtace Ruwa da Tsabtace Ruwa Mai Sauƙi (CAWST) ƙungiya ce mai zaman kanta ta Kanada kuma mai ba da shawara kan injiniya mai lasisi da ke Calgary, Kanada, wacce ke mai da hankali kan gina ƙarfin aiki a fannin ruwa, tsafta da tsafta a ƙasashe masu ƙarancin kuɗi da matsakaitan kuɗi. Tana haɓaka fasahohi masu araha, masu dacewa, horo, ba da shawara, da canja wurin ilimi ga ƙungiyoyin cikin gida. 

 Tarihi 
An kafa CAWST a shekara ta 2001 ta hannun Camille Dow Baker da Dr. David Manz daga ginshiƙin Baker da himma wajen ɗaukar ilimin injiniya don ruwa da tsafta ga al'ummomin da ke cikin buƙata.   An kafa CAWST da nufin magance rashin ƙwarewar injiniya a fannin ruwa da tsafta ta hanyar samar da ilimi, horon fasaha, da ayyukan ba da shawara ga ƙungiyoyi masu zaman kansu (NGOs) da hukumomin gwamnati da ke aiki a ƙasashe masu ƙarancin kuɗi da matsakaitan kuɗi. Tsarinta ya jaddada gina ƙarfin aiki na dogon lokaci ta hanyar horo da canja wurin ilimi, maimakon shigar da kayayyakin more rayuwa kai tsaye. Tsarin CAWST ya sami karɓuwa a duniya a shekara ta 2005 lokacin da wanda ya kafa ta, Camille Dow Baker, ta gabatar da hanyar ƙungiyar a wani taron ƙasa da ƙasa na Hukumar Lafiya ta Duniya (WHO), a matsayinta na memba na Ƙungiyar Aiki ta WHO a cikin Cibiyar Sadarwa ta Duniya don Inganta Ruwan Sha a Gida da Ajiya Mai Kyau.  

A shekarar 2010, CAWST ta sami kyautar musamman daga Fonds Suez Environnement Initiatives Institut de France, wata kyauta da ke girmama sabbin gudummawa ga tsaftar muhalli, sharar gida, da kuma kula da ruwa a ƙasashe masu tasowa.  CAWST ta sami goyon baya na dogon lokaci daga ɗan kasuwa kuma mai taimakon jama'a na Kanada David P. O'Brien, wanda ya zama mai goyon baya bayan da Camille Dow Baker ya gabatar da shi ga manufar ƙungiyar da tasirinta. 

Zuwa shekarar 2014, CAWST ta ba da gudummawa wajen inganta samun ruwa ko tsafta ga kimanin mutane miliyan 9.3, ta hanyar tallafin da take bayarwa ga ƙungiyoyi 793 masu aiwatarwa waɗanda ke aiki a ƙasashe 68.   CAWST memba ce mai himma ta Haɗin gwiwar Wanke Hannu na Duniya . 

A shekarar 2015, Camille Dow Baker ta sami lambar yabo ta Ƙungiyar Likitoci ta Kanada don girmama aikinta a fannin ruwa da tsafta ta hanyar CAWST. 

 Manazarta