Dam Disaster · USA

Michigan Dam failures: New Warnings for India’s Dam Safety

On Tuesday, May 19, 2020 evening following two days of heavy (4-7 inches) rains, Edinville Dam breached at 1740 and downstream Sanford dam overflowed at 1900 hours, leading to highest ever water level in downstream towns, leading to evacuation of over 10 000 people, besides massive damage, including to roads, bridges, buildings and crops. Both were earthen dams, Edinville dam famously did not have sufficient spillway capacity to pass even half the PMF (Probable Maximum Flood) it was expected to get. USA has much better dam safety situations legally, institutionally and practically that we in India have, and yet this happened where problems were known. As India awaits in the South West Monsoon 2020, there is lot we need to learn here and worry about our dams. Continue reading “Michigan Dam failures: New Warnings for India’s Dam Safety”

Floods · Rivers · USA

US Dams, Rivers and People in 2017: There is so much to learn!

DECOMMISSIONING OF DAMS

Map of dams removed since 1916 Dams cause considerable harm to rivers. Dams have depleted fisheries, degraded river ecosystems, and altered recreational opportunities on nearly all of our rivers. Today, many dams that were once at the epicenter of a community’s livelihood are now old, unsafe or no longer serving their intended purposes. Learn how USA is working to remove dams and restore the rivers.  (Map above is from Ameerican Rivers website, depicting the location of decommissioned dams in USA.) https://www.americanrivers.org/threats-solutions/restoring-damaged-rivers/dam-removal-map/ Continue reading “US Dams, Rivers and People in 2017: There is so much to learn!”