1 week ago
Weak Monsoon Cuts Siruvani Water Supply to Coimbatore
Coimbatore gets some of its drinking water from the Siruvani Dam.
The dam is in Kerala, where the rainy season has brought less rain than needed.
Because less water is flowing into the dam, the amount sent to Coimbatore has been reduced.
Daily supply fell from about 65 million litres to 55 million litres.
The dam currently has 26.7 feet of water, while its full level is 50 feet.
Officials are worried that supplies may become harder to manage if the water level keeps falling.
Some water is also lost through seepage from the dam.
Tamil Nadu and Kerala are planning repairs, but the work needs government approvals and funding first.
Daily Siruvani water supply to Coimbatore has fallen from about 65 million litres to 55 million litres.
Light monsoon rainfall of roughly 7–8 mm has reduced inflow into the reservoir.
The dam’s water level stood at 26.7 feet, compared with its full level of 50 feet.
Tamil Nadu and Kerala are coordinating proposed repairs to stop seepage and reduce water loss.
Coimbatore has paid about Rs 11 crore in outstanding charges and sought approval for an Rs 18-crore repair project.
- Who
- The Tamil Nadu Water Supply and Drainage Board, Coimbatore City Municipal Corporation, and the governments of Tamil Nadu and Kerala are involved.
- What
- Siruvani dam water supplied to Coimbatore has been reduced, while repair plans to prevent seepage remain pending.
- Where
- The Siruvani Dam catchment areas in Kerala and Coimbatore city in Tamil Nadu.
- When
- The daily supply was reduced this week; as of Saturday, the dam level was 26.7 feet. The southwest monsoon is nearing its end.
- Why
- Weak rainfall has lowered inflow and storage, while seepage is causing further water loss.
Key facts
- Current daily supply
- 55 million litres a day
- Previous daily supply
- About 65 million litres a day
- Current dam level
- 26.7 feet
- Full reservoir level
- 50 feet
- Monsoon rainfall recorded
- About 7 mm to 8 mm
- Rainfall needed for significant rise
- Between 50 mm and 100 mm
- Outstanding water charges paid
- About Rs 11 crore
- Proposed repair project
- Rs 18 crore
Sources
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