Basic information about the construction:

Hydraulic reservoir
Type of closing a rockfill dam with an asphalt-concrete centre sealing
Dam crest level 573.90 m a.s.l.
Dam crest length 300 m
Injection corridor 366 m
Injection corridor depth 35 m
Bypass tunnel – width 6.00 m
Bypass tunnel – height 4.25 m
Bypass tunnel – length 356 m
Communication tunnel – width 5.50 m
Communication tunnel – height 3.90 m
Communication tunnel – lenght 400 m
Maximum flood level 572.50 m n. m
Maximum operational water level 571.50 m n.m.
Safety spillway controlled by 6 pcs of plate gates
Total volume of the reservoir 29.6 mil.m3
from that constant volume 0.63 mil.m3
storage volume 27.51 mil.m3
protection volume 1.20 mil.m3
Total area of the reservoir 1.18 sq km
Length of backwater level 6 km
Francis Turbine 2 pcs Ø 350 mm, 3 pcs Ø 290 mm
Average annual production of the SHP 4.253 MWh
Supply conduit 5,200 m
Water treatment station
Maximum power 686 l/s

Basic characteristics of the construction and its future operation:

The construction is located in cadastral area of municipalities Valaská, Hronec and Sihla. The territory lies in the western part of Slovenské Rudohorie (Slovak Ore Mountains) – in Vepor Mountains, in the part of Balocké Mountains.

The main function of WR Hronček is use of hydrologic potential of Kamenistý Brook for prospective drinking water supply in regions of Brezno, Banská Bystrica and Zvolen. The additional value of the construction is electricity production and protection of the territory against floods.

Basic information
Name of the constructionWater reservoir Hronček
Character of the constructionNew
Place of the constructionCadastral territory of municipalities Hronec, Valaská and Sihla

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