Record July Rain Fills Pune Dams To The Brim; Khadakwasla System Hits 100% Storage, Pawana Almost Full
· Free Press Journal
Pune: Pune’s major dams continue to remain nearly full after an exceptionally wet July, with four reservoirs in the Khadakwasla system at 100% storage and Pawana at 98.31% as of Saturday morning.
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Khadakwasla Dam was holding 1.97 TMC of water, or 100% of its useful storage, at 6 am on Saturday, and the dam was releasing 6,213 cusecs of water.
Varasgaon Dam was also 100% full, with 12.82 TMC in storage, and it was releasing 1,488 cusecs. Panshet had 10.65 TMC, or 100% storage, while no water was being released from the dam.
Temghar Dam was holding 3.71 TMC, also 100% of its useful storage, and its discharge stood at 911 cusecs.
Pawana Dam, which supplies water to Pimpri-Chinchwad, had reached 98.31% storage, with 8.36 TMC of water, and the dam was releasing 2,120 cusecs.
Mulshi Dam was at 90.51% storage, holding 18.24 TMC and releasing 3,100 cusecs.
The latest figures show a major change in Pune’s water situation after the heavy monsoon rainfall recorded across the district in July. The focus has now shifted from concerns over water availability to managing excess water and dam releases.
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Despite the releases from the dams, the discharge at key river points remained well below the prescribed warning levels on Saturday morning.
At the Mundhwa K.T. Weir at Bund Garden, the Mutha river discharge was 14,545 cusecs. The warning flood discharge at the location is 1.18 lakh cusecs, while the danger level is 1.68 lakh cusecs.
At Daund, the Bhima river discharge stood at 24,788 cusecs. The warning flood discharge is 1.55 lakh cusecs, and the danger level is 2.61 lakh cusecs.
At Nira Narsingpur, the discharge was 45,214 cusecs against a warning level of 1.87 lakh cusecs and a danger level of 1.99 lakh cusecs.
The discharge at Pandharpur stood at 31,430 cusecs. The warning flood discharge there is 1.16 lakh cusecs, while the danger level is 1.87 lakh cusecs.
The figures indicate that river flows at these locations were below the prescribed warning and danger levels as of 6 am on Saturday.
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The high storage levels come after an unusually wet July in Pune. Shivajinagar recorded 508.9 mm of rainfall in July, making it the wettest July in the city’s recorded history. The earlier July record was 508.5 mm, recorded in 1907.
Pune had also received around 630.1 mm of rainfall by early August. This was already more than the normal rainfall for the entire June-August period. The normal rainfall for these three months is 500.9 mm.
The intense rainfall was not restricted to Pune city. The Western Ghats and the ghat areas of Pune district, including Mulshi, Maval, Lonavala and Tamhini, received exceptionally heavy rainfall.
The heavy rain resulted in strong inflows into the dams and pushed reservoir levels sharply higher. The four dams of the Khadakwasla system reached full capacity following the sustained rainfall.
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Although rainfall in Pune city has become less intense compared with the extreme spells witnessed in early July, authorities continue to keep a close watch on the dams and rivers.
The main concern is heavy rainfall in the Western Ghats and dam catchment areas. Rainfall in these areas can quickly increase inflows into reservoirs and lead to higher water releases.
Such releases can raise water levels in the Mutha, Mula and Pavana rivers and affect low-lying areas downstream.
The situation is therefore different from the water shortage concerns seen earlier in the monsoon. With reservoirs now almost full, authorities have to balance water storage with the need to maintain safe reservoir levels.
The current dam figures also mean that any major spell of rain in the catchment areas could result in increased releases.
For now, however, the recorded river discharges at Mundhwa, Daund, Nira Narsingpur and Pandharpur remain substantially below their respective warning flood levels.
The administration is expected to continue monitoring rainfall, dam inflows, storage and downstream river levels as the monsoon progresses.