BALASHA-JALON Infrastructure Systems LTD. (BJIS)

                           בלשה-ילון מערכות תשתית בע"מ                                                                                                                                    

BALASHA-JALON Infrastructure Systems LTD. (BJIS)

  בלשה-ילון מערכות תשתית בע"מ

General Background


The plant serves the municipalities of Qyriat Shemona, Metula and several rural villages of  Upper Galilee regional council, having equivalent population of 50,000.


The plant was built in 2000.


The plant consists of semi-intensive facilities, i.e. a combination of anaerobic and aerated earth lagoons.


BJIS provided general design and complete detailed design services as well as general supervision of construction.


Basic Design Facts:


  • Average Design Flow (m3/day): 14,500
  • Average B.O.D. Load (Kg/day): 5,150
  • Effluent Quality (BOD/TSS/N): 15/15/10





 Liquid Process and Facilities


Main Process:


Multi stage aerated lagoons




  • Bar screens
  • Anaerobic earth lagoons
  • 2 - Stage aerated lagoons








Sludge Process and Facilities


Main Process:


Aerobic Stabilization




  • Settled sludge is an aerobically disintegrated to ash at the bottom of the anaerobic lagoons











Qyriat Shemona WWTP - Israel