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Treated Effluent Reuse / Discharge Practices in Larnaca and Limassol

Treated Effluent Reuse / Discharge Practices in Larnaca and Limassol Evi Theopemptou Photo of Cyprus The Town of Larnaca Cyprus’ Statistics Annual rainfall 460 mm Capacity of dams 300 million m 3 Water demand per year 270 million m 3 Water demand for agriculture 70%

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Treated Effluent Reuse / Discharge Practices in Larnaca and Limassol

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  1. Treated Effluent Reuse / Discharge Practices in Larnaca and Limassol Evi Theopemptou

  2. Photo of Cyprus

  3. The Town of Larnaca

  4. Cyprus’ Statistics • Annual rainfall 460 mm • Capacity of dams 300 million m3 • Water demand per year 270 million m3 • Water demand for agriculture 70%

  5. Total Effluent Production Now • 5 urban WWTP operate • 14,6 million m3 tertiary treated effluent produced yearly • 8 % of water demand for agriculture By2020 • 7 WWTP will operate • 42 million m3 tertiary treated effluent will be produced yearly • 23 % of water demand in agriculture

  6. Quality Characteristics Tertiary Treated Effluent

  7. Reuse + Agricultural production Increase green areas Golf course irrigation Avoid sea pollution _ Storage Reservoirs Distribution costs Health risks Discharge + No investment in reservoirs and distribution networks _ Loss of natural and financial wealth Sea pollution Reuse Vs Discharge

  8. Encouragement for re-use Pricing policy

  9. Limassol WWTP

  10. Limassol Reuse/Discharge Scheme 2004 • 25 km transfer main from the east to the west side of Limassol • 2004 production = 6,5 million m3 • 85% - irrigation of citrus plantations and fodder crops • 15% - sea discharge

  11. Larnaca WWTP

  12. 35 km irrigation mains operating under 9 atm pressure recycling 100% of effluent produced - 1,50 million m3 1,10 million m3 (73%) for fodder crops (clover and corn) 0,25 million m3 (17%) for football grounds 0,15 million m3 (10%) for hotel and municipal gardens Larnaca Re-use scheme 2004

  13. Irrigated Corn Fields

  14. Irrigation with recycled water

  15. Thank you

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