Murrum Silli Dam

20°32′17″N 81°39′42″E / 20.53806°N 81.66167°E / 20.53806; 81.66167StatusOperationalConstruction began1914Opening date1923Dam and spillwaysType of damEmbankment, earth-fillImpoundsSillari RiverHeight34.15 m (112 ft)Length2,591 m (8,501 ft)Dam volume1,619,000 m³ (2,117,572 cu yd)Spillway capacity1,132 m³/s (39,976 cu ft/s)ReservoirTotal capacity165,340,000 m³ (216,256,555 cu yd)Active capacity161,913,000 m³ (211,774,209 cu yd)Surface area25 km² (10 sq mi)^[1]

The Murrum Silli Dam or Babu Chhotelal Shrivastav Dam, also spelled Madam Silli and Mordem Silli, is an earth-fill embankment dam on the Sillari River, a tributary of the Mahanadi in central eastern India. It was built under the supervision of British Raj governor Madam Silli for whom it was originally named. It is located in Dhamtari District of Chhattisgarh. Built between 1914 and 1923, it is the first dam in Asia to have siphon spillways. Madamsilli is about 95 km from Raipur. It is one of the most prominent architectural marvels in Chhattisgarh. Its primary purpose is irrigation.^[2]

On 3 June 1929 R.S. Rajendranath Sur (government civil engineer, Central province) was awarded by George V the title of "Rai Saheb" for his exemplary works on Murrum Silli Dam.^{[citation needed]}