Among the prominent donors is this years Sahitya Akademi award winner, poet Sushilkumar Shinde, who donated his entire prize money of Rs 50,000 in the CM Relief Fund.
Kolhapur and Sangli were the worst-affected by torrential rains and floods.
Pawar was addressing a gathering at Kavathesar village in Shirol taluka of Kolhapur district, which was worst-hit along with Sangli, after reviewing the situation.
A delegation of state Congress leaders met Chief Minister Devendra Fadnavis here to discuss the flood situation.
This amount will be utilised for providing relief and facilitating rehabilitation of those affected by floods, said an official from the Chief Minister's Office (CMO).
Continuous discharge of water from Almatti dam in Karnataka brought down the water level of the Panchganga river in Kolhapur where it was flowing above the danger mark.
Heavy rains have triggered floods in the rivers flowing in the western Maharashtra region, affecting districts of Kolhapur, Sangli, Satara, Pune and Solapur.
The NCP chief claimed that an amount of Rs 1 crore was raised towards flood relief within half-an-hour in his hometown Baramati in Pune district on August 9.