The investigation of safe water supply to Riga city
2005
Juhna, V.(Latvia Univ. of Agriculture, Jelgava (Latvia))E-mail:eris@cs.llu.lv | Tilgalis, E.(Latvia Univ. of Agriculture, Jelgava (Latvia))E-mail:eris@cs.llu.lv
The studies were made on the surface water and groundwater sources, the existing and future water production yields of the Riga city. The forecasts about water demand in Riga by year 2010 are estimated as 200 000 m**3 dE-1, with a variation coefficient of 1.13. Total water yield is estimated as 410 000 m**3 dE-1, with a storage coefficient of 2.05, which is considered as sufficient. It is proposed that in future 50% of drinking water for Riga will be abstracted from groundwater and 50% will be produced in the Daugava surface treatment plant.
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