Lake Sevan's Water Level Rises by 15 Centimeters Compared to Last Year

According to reports cited by Factor.am, the water level of Lake Sevan stood at 1900.72 meters as of August 16, 2026. While this represents a positive year-over-year growth of 15 centimeters, experts have recorded a slight decline over the past week.

"The water level of Lake Sevan dropped by 2 cm during the period from August 10 to 16, 2026," the agency's official statement noted.

Water Inflow Indicators

The volume of water redirected into the lake via the Arpa-Sevan tunnel—a major hydro-technical infrastructure designed to maintain the lake's ecosystem—has seen an increase. Official statistics show that from January 1 to August 16, a total of 167.156 million cubic meters of water flowed into the lake. Of this amount, 1.701 million cubic meters were transferred during the week of August 10 to 16 alone. Overall, when compared to the recorded level on January 1, 2026, the lake's water level has risen by 50 centimeters.

Outflow and Water Releases

Simultaneously, scheduled water releases have been carried out through the Geghamavan observation post of the Hrazdan Hydroelectric Power Plant (HPP) canal to meet seasonal agricultural and energy demands. The volumes of released water are as follows:

• From August 10 to 16: 10.835 million cubic meters.
• From July 2 to August 16: 41.368 million cubic meters.