|Official name||Siddheshwar Dam D03206|
|Owner(s)||Government of Maharashtra, India|
|Dam and spillways|
|Type of dam||Earthfill|
|Height||38.26 m (125.5 ft)|
|Length||6,353.2 m (20,844 ft)|
|Dam volume||0.9072 million cubic meters|
|Total capacity||0.251 km3 (0.060 cu mi)|
|Surface area||40.58 km2 (15.67 sq mi)|
Siddheshwar Dam is an earth-fill dam on Purna River, which is a tributary of River Godavari. This dam is located in the north-western part of Aundha Nagnath, in the Hingoli district of Maharashtra.
The dam was constructed in the era of Yashwantrao Chavhan, the former chief minister of Maharashtra State. The dam serves the purpose of irrigation for Aundha Nagnath and Basmath tehsils of Hingoli. It also provides drinking water to nearby cities such as Nanded and Basmath.
The proposed site for Light Interferometer Gravitational Observatory (LIGO-India) is nearly 6 km away from the dam.
The height of the dam above lowest foundation is 38.26 metres (125.5 ft), while the length is 6,353.2 m (20,844 ft). The gross storage capacity is 0.251 km3 (0.060 cu mi) and live storage capacity is 0.081 km3 (0.019 cu mi). It is also known as Rupur camp.