Madatsar Ruwa ta Tiga
Dam ɗin Tiga yana cikin jihar Kano a Arewa maso Yammacin Najeriya, wanda aka gina a shekarar 1971–1974. Babban tafki ne a Kogin Kano da babban rafin Kogin Hadejia.

Bayani 
An gina madatsar ruwan ne a lokacin gwamnatin Gwamna Audu Bako a ƙoƙarin inganta samar da abinci ta hanyar ayyukan noman rani.  Dam ɗin yana da sikwaya mita  tare da mafi girman damar kusan   Ruwa daga madatsar ruwan ya samar da aikin Ban ruwa na Kogin Kano da kuma Birnin Kano.

Tasiri mai nisa 
Karatuttukan da yawa sun nuna cewa madatsar ruwan ta kawo mummunan tasirin tattalin arziki lokacin da aka yi la’akari da tasirin da yake da shi a kan al'ummomin da ke ƙasa. Bayan an kammala madatsar ruwan sai kogin ya gangara zuwa Gashua a jihar Yobe ya faɗi da kusan     a kowace shekara saboda ban ruwa mai ban mamaki kuma sama da     saboda danshi daga tafkin. Wani bincike da aka buga a shekara ta 1999 ya kammala cewa manoma a cikin magudanar ruwa sun daidaita aikin gonar su, tare da kuma taimakon sabbin kayan fasaha, amma karuwar matakin samarwar ba zai iya ɗorewa ba.

Yankin dausayi na Hadejia-Nguru wanda ke can gaba yana da mahimmancin tattalin arziki da mahalli. Suna da gidajan kimanin mutane miliyan daya waɗanda ke rayuwa ta noman shinkafa-lokacin damina, noma a wasu lokutan, kamun kifi da kiwon shanu da Fulani keyi. Dam din ya lalata zagayen, ya rage kamun kifi da girbin sauran kayayyakin dausayi. 

A watan Agusta na shekarar 2009, Sanata Ahmed Ibrahim Lawan daga Yobe ta Arewa, Shugaban Kwamitin Majalisar Dattawa kan Lissafi na Jama'a, ya bayyana cewa Dam din Tiga ya rage kwararar ruwa a Kogin Kano da kusan kashi 50%. Sanatan yana magana ne a kan adawa da shirin samar da madatsar ruwa ta Kafin Zaki a kan kogin Jama'are, ɗayan kuma babbar kogin Yobe. Ya ce madatsun ruwan Tiga da Challawa sun haifar da tsananin talauci, karuwar cin karen hamada, kaura da rikice-rikice tsakanin manoma da makiyaya. Ya lura cewa Kogin Yobe ya daina kwarara zuwa Tafkin Chadi. 

An ƙiyasta cewa Tafkin Chadi zai kafe baki daya cikin shekaru 40. Fiye da mutane miliyan 30 suka sami abin biyan buƙatunsu daga Tafkin Chadi ta hanyar kamun kifi, kiwon jari kai tsaye da kuma noma. An kafa ƙungiyar bincike don bincika matsalar a cikin Nuwamba Nuwamba 2008, inda suka ziyarci madatsar ruwa ta Tiga da sauran wurare.

Manazarta 

Kano
Kano (jiha)
Tarihin Najeriya