Sukhna Lake floodgate in Chandigarh was opened for the third time this monsoon after water levels hit the 1,163 ft danger mark. Learn why it was opened, safety measures in place, and past floodgate history.
Chandigarh, August 15 — In a proactive move to manage rising water levels, the UT Administration opened one of Sukhna Lake’s three floodgates at around 7 PM today after the water level touched the danger mark of 1,163 feet. This is the third time this monsoon season that the floodgates have been operated, following earlier openings on August 6 and August 8.
Why the Floodgate Was Opened
Officials reported that the recent heavy rainfall in the lake’s catchment area led to a rapid rise in water levels. Once the danger mark was reached, the gate was raised by four inches to allow excess water to flow into the Ghaggar River via the Sukhna Choe. The gate will remain open until the level drops to at least 1,162 feet, reducing the risk of overflow and flooding.
24×7 Monitoring and Safety Measures
To ensure safe operations, the UT Engineering Department has deployed personnel at the lake’s regulator round-the-clock. CCTV surveillance has been installed for continuous monitoring, and a dedicated control room is coordinating with the district administrations of Chandigarh, Mohali, and Panchkula.
Prior to today’s operation, the relevant district authorities were alerted to ensure preparedness in downstream areas. Notably, the floodgates were tested earlier this year on June 28 to ensure readiness for the monsoon season.
History of Sukhna Lake Floodgate Operations
- 2025 Season: Three openings so far — August 6, August 8, and today.
- 2023: Four openings.
- 2022: Six openings.
- 2021: Five openings.
- 2020: Two floodgates opened in August, causing flooding in low-lying Zirakpur areas near the Sukhna Choe.
- 2018: First opening after a decade, on September 24.
Balancing Flood Control and Public Safety
While the opening of the gates is a crucial flood management step, it must be done with careful planning to prevent sudden flooding in nearby settlements. Past incidents, such as the 2020 Zirakpur flooding, highlight the importance of coordination between engineering teams and local administrations.
Key Takeaways
- Water Level Trigger: Danger mark at 1,163 ft prompts gate opening.
- Safety Measures: Continuous monitoring, CCTV, control room, and inter-district coordination.
- Monsoon Pattern: The third floodgate operation this year underscores the intensity of the current monsoon.
With the monsoon season still active, further openings cannot be ruled out if heavy rainfall persists in the catchment area. Authorities urge residents in low-lying regions to stay alert and follow official advisories.