 The Rzhevsky Reservoir ( long, wide, with a volume of 4 mln m³) has been built on the Okhta.The Utkina Dacha estate is located on the banks of the Okhta close to the mouth of the Okkervil.The source of the Okhta is in the swamps in the northwestern part of Vsevolozhsky District, north of the town of Sertolovo.