Thotapalli Barrage is located in Garugubilli Mandal, Parvathipuram Manyam district of Andhra Pradesh State.

It was inaugurated by Andhra Pradesh Chief Minister N. Chandrababu Naidu on 10 September 2015.

[1] In 1908, the old Thotapalli regulator was constructed across the Nagavali River with a 64,000 acres irrigation potential.

The regulator was replaced by the current barrage which has a 2.51 Tmcft storage capacity and an additional 56,000 acres irrigation potential.

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