BALASHA-JALON Infrastructure Systems LTD. (BJIS) + 972 (4) 8603600                                                                                                                                                                           

+ 972 (4) 8603600

+ 972 (4) 8603600  |

General Background


This plant is a part of the regional project for the reuse of effluent in the Izra'el valley.


This plant serves the municipalities of Nazareth, Nazerat-Illit, Yafia and several rural villages of Izra'el regional council, having equivalent population of 150,000.


The plant was originally built in 1994 (1st phase) and expanded during 2003 (2nd phase).


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


Due to more updated and stringent regulation for the quality of the effluent to be reused in the Izra'el valley, a new B.N.R activated sludge module is now under design.


BJIS provided general and complete detailed design services for both phases of construction and currently designs the new B.N.T Activated sludge module.


Basic Design Facts:


Average Design Flow (m3/day): 15,000

Average B.O.D. Load (Kg/day): 7,000

Effluent Quality (BOD/TSS/N): 50/70/N.R.




 Sludge Thickening


Design Data


  • 25,600-32,000 cum/day

  • 1,280-1,600 cum/hr

  • 0.75%-0.6% solids concentration

  • 196 ton/day solids (dry matter)

  • 9.6 ton/hr solids (dry matter)

  • Thickened sludge conc.: 4%-5%




  • Eleven (11) G.B.T units
  • Polymers facility
  • P.C feed and thickened sludge pumps
  • Electrical and control








Sludge dewatering


Design Data


  • 3,840-4,800 cum/day
  • 192-240 cum/hr
  • 5%-4% solids concentration
  • 196 ton/day solids (dry matter)
  • 9.6 ton/hr solids (dry matter)
  • Dewatered sludge conc.: 18%-24%






  • Five (5) decanter centrifuges
  • Polymers facility
  • P.C feed sludge pumps
  • Special, high pressure P.C pumps for dewatered sludge
  • Electrical and control 






Tel Adashim Regional WWTP - Israel