Improvement of the condition of watercourses, design/construction work (Esna, Pärnu, Õhne and Piusa rivers)
Design and construction works for the demolition and reconstruction of old mill dams.
The construction of fish passes and spawn areas, and cleaning of the riverbeds.
The works were performed on the Esna River (throughout the entire river);
Pärnu River (Türi-Särevere dam and Kurgja dam), Õhne River (Leebiku dam and Tõrva dam),
and Piusa River (Korela dam, Tsüdsina dam, Tillo dam, Saarõ dam, Tamme dam, Keldre dam, Jõksi dam, Mako dam, Kelbä dam, and Oro dam).