Open problems · Water, floods & drought
Mullaperiyar dam safety
The Mullaperiyar dam is about 130 years old, and Kerala and Tamil Nadu have argued over its safety for a long time.
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What we know
The Mullaperiyar dam is about 130 years old. Its safety has been the subject of a long dispute between Kerala and Tamil Nadu.
Open questions
- What have the official safety inspections of the dam found, and when was the last one?
- Which villages downstream would be at risk if the dam failed, and is there an evacuation plan?
- How have other states settled disputes over a dam that one state runs inside another?
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