Milldam

Aiki
Dam din yashi wani katangar siminti ne da aka karfafa (ko kuma mai kwatankwacinsa mai karfi kuma mai kaifi) wanda aka gina tsayin mita 1-5 a fadin kogin yashi na yanayi.==Low cost and maintenance: Sand dams are the lowest cost form of rainwater harvesting known – 3 to 100 times lower cost than other technologies. A sand dam is built to last over 50 years, has no operational costs and requires little maintenance.
Community owned and managed: Most examples of sand dams are built by members of the communities they serve with support local and international development agencies. Community ownership and management is key to their successful operation.
Spillways" yana turawa nan. Don waƙar ta Ghost, duba Impera.

Babban titin madatsar ruwa na Llyn Brianne a Wales
Hanyar zube wani tsari ne da ake amfani da shi don samar da sarrafawar sakin ruwa daga magudanar ruwa ko levee, yawanci cikin kogin kogin da aka datse kansa. A cikin Ƙasar Ingila, ƙila a san su da tashoshi masu yawa. Hanyoyin zube suna tabbatar da cewa ruwa Spillways" yana turawa nan. Don waƙar ta Ghost, duba Impera.

Babban titin madatsar ruwa na Llyn Brianne a Walesbaya lalata sassan tsarin da ba a tsara don isar da ruwa ba.