Härjapea River
Encyclopedia
Härjapea River was a river in Tallinn
, Estonia
. The river was a few kilometers in length, flowing from Lake Ülemiste
into the Tallinn Bay.
Härjapea River was one of the most exploited rivers in Estonia in the Middle Ages. First watermill
s were constructed on the river in 13th century. A map from the end of 17th century depicted 8 mills on the river, some of which became later basis for larger industries. Due to the growth of industry in the 19th century the river become increasingly polluted and was already then partly covered. In 1923 it was covered with planks and in 1938 the construction of an underground sewage
was completed in place of the river, which was around 4.5 km in length at the time.
Nowadays the course of the river is recognizable in some places, but nothing else remains of it. The underground sewage is still operational.
Tallinn
Tallinn is the capital and largest city of Estonia. It occupies an area of with a population of 414,940. It is situated on the northern coast of the country, on the banks of the Gulf of Finland, south of Helsinki, east of Stockholm and west of Saint Petersburg. Tallinn's Old Town is in the list...
, Estonia
Estonia
Estonia , officially the Republic of Estonia , is a state in the Baltic region of Northern Europe. It is bordered to the north by the Gulf of Finland, to the west by the Baltic Sea, to the south by Latvia , and to the east by Lake Peipsi and the Russian Federation . Across the Baltic Sea lies...
. The river was a few kilometers in length, flowing from Lake Ülemiste
Lake Ülemiste
Lake Ülemiste is the largest of the lakes surrounding Tallinn, Estonia. Ülemiste is where most of the city gets its drinking water from. The lake is fed mostly by Kurna stream and Pirita River ....
into the Tallinn Bay.
Härjapea River was one of the most exploited rivers in Estonia in the Middle Ages. First watermill
Watermill
A watermill is a structure that uses a water wheel or turbine to drive a mechanical process such as flour, lumber or textile production, or metal shaping .- History :...
s were constructed on the river in 13th century. A map from the end of 17th century depicted 8 mills on the river, some of which became later basis for larger industries. Due to the growth of industry in the 19th century the river become increasingly polluted and was already then partly covered. In 1923 it was covered with planks and in 1938 the construction of an underground sewage
Sewage
Sewage is water-carried waste, in solution or suspension, that is intended to be removed from a community. Also known as wastewater, it is more than 99% water and is characterized by volume or rate of flow, physical condition, chemical constituents and the bacteriological organisms that it contains...
was completed in place of the river, which was around 4.5 km in length at the time.
Nowadays the course of the river is recognizable in some places, but nothing else remains of it. The underground sewage is still operational.