Umushinga wa Tanwater wo Kubungabunga amazi
Tanwater wari umushinga udasanzwe wo gutunganya amazi watangijwe n’uruganda rwa Elmo muri Suwede mu 1992. Icyari kigamijwe kwari ukugabanya imyanda ya azote muri sisitemu yo gutunganya amazi mugihe cyo gutwika uruhu . Ubusanzwe uruganda rw’iburayi rwashoboye kugabanya azote mu mazi kugeza kuri 30%. Umushinga "Tanwater" ugamije kugabanya imyanda ya azote kugera kuri 80% kandi amaherezo yashoboye kugera kuri 89% kugabanya imyanda ya azote. Iyi yari intambwe ikomeye mu nganda zogosha kuko azote ihumanya amazi yubutaka.

Uruganda rwa Elmo rwabonye inkunga y'umushinga UBUZIMA (Ikigocyimari cyibidukikije). UBUZIMA butera inkunga imishinga y’ibidukikije mu Muryango w’ubumwe bw’ibihugu by’Uburayi . Uruganda rwa Elmo, nubwo rutanga uruhu rwiganjemo inganda zimodoka (uruhu rwo hejuru), rutanga uruhu rwimifuka ninkweto. Kuva Elmo yatangira uyu mushinga habaye inganda nyinshi zagiye zikurikirana mu ntambwe zazo zo kunoza uburyo bwo gutunganya amazi muri Suwede na Noruveje.

Amashakiro 

 https://web.archive.org/web/20090115001900/http://ec.europa.eu/ibidukikije/ubuzima/insanganyamatsiko/amazi/best.htm
 https://web.archive.org/web/20160402040947/http://www.tanwater.net/
 https://web.archive.org/web/20111006032813/http://www.tanwater.net/file/Layman-uk.pdf
 https://web.archive.org/web/20061110041537/http://www.euroleather.com/doc/frendruptan.doc