Tallinna Vesi, which reported 520 km of stormwater pipes in 2025, opened Tallinn's first coastal stormwater sedimentation pond in the Lahepea Street area of North Tallinn in the third quarter of 2026. It is the first finished piece of a stormwater program that the company says makes up a large part of its 2026 network construction.
Four projects, one goal
Construction of the Maakri stormwater retention basin, near Rävala Boulevard in an area with recurring flooding, began in early March 2026. Stormwater pipelines on Paldiski Road, between Merelahe Road and Mooni Street, have been under construction since May 2026 and are planned to continue in stages into the second half of 2027. Collector works on Sõle Street, Kolde Avenue and Auna Street are planned to run to October 29, 2027.
The network
That stormwater network compares with 536 km in 2024 and 483 km in 2016, as stated in the company's annual reports. Its 2026 target is 40 km of water, wastewater and stormwater pipeline construction and renovation, at least 25% of it trenchless.
How it is financed
The works sit within a €60 million investment plan for 2026, of which €40.80 million had been invested by September 30. A €25 million Nordic Investment Bank loan signed in December 2025 lists an expanded stormwater system among the works it finances.
What the stormwater program means alongside Tallinn's water resources, its sewer condition, its regulated prices and the shift toward drinking water treatment is set out in the report. The full report, Water Systems Overview: Tallinna Vesi, is available for USD 499. For a free overview, read the Tallinna Vesi Utility Snapshot.