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Water Supply Dublin Region 13/07/2010

Water Supply Dublin Region 13/07/2010. Greater Dublin Water Supply Area. The Water Cycle. DUBLIN REGION WATER SUPPLY. THE FOUR SOURCES -2010. Dublin’s Water Supply. BALLYCOOLEN. CITY COUNCIL. PLANT. RESERVOIR. LEIXLIP. TRUNK MAIN. WATER TREATMENT PLANT. NON-CITY COUNCIL. PLANT.

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Water Supply Dublin Region 13/07/2010

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  1. Water Supply Dublin Region 13/07/2010

  2. Greater Dublin Water Supply Area

  3. The Water Cycle

  4. DUBLIN REGION WATER SUPPLY THE FOUR SOURCES -2010 Dublin’s Water Supply BALLYCOOLEN CITY COUNCIL PLANT RESERVOIR LEIXLIP TRUNK MAIN WATER TREATMENT PLANT NON-CITY COUNCIL PLANT BELGARD RESERVOIR TRUNK MAIN COOKSTOWN STILLORGAN DUN LAOIRE SAGGART BALLYBODEN WATER TREATMENT PLANT & RESERVOIR BRAY KILDARE VARTRY WATER TREATMENT PLANT BALLYMORE EUSTACE WATER TREATMENT PLANT WICKLOW

  5. Customers • Local Authorities 6 • Population 1.4 million(Region) 0.48 million(DCC) • Households 576,000 (Region) 216,000 (DCC) • Non Domestic 45,000 (Region) 18,000 (DCC)

  6. Water Volumes 2009 • Regional Demand 540Mld • Regional Rated Production 518Mld • FCC Production 153Mld • DCC Production 365Mld • Ballymore Eustace 275Mld • Roundwood 75Mld • Ballyboden 15Mld

  7. January 21st 1994

  8. Raw Water Storage July 2010 Full Currently • Poulaphouca 200 days 120 days • Roundwood 200 days 160 days • Bohernabreena 100 days 75 days • Average 196 days 125 days • Water conservation will extend these times

  9. Treated Water Storage Dublin Region Total Treated Water Storage 36 hrs. Treatment capacity is limited Water conservation is essential from the warm spells of Summer to the cold snaps of Winter to ensure that supplies can be maintained r

  10. Drinking Water Quality • EPA Report for 2007 - Water quality good • 98.9% compliance with quality parameters • Any Non- compliance reportable to EPA • Liason with HSE re any public health risk • 48 Parameters tested for compliance • EU Drinking Water Regs.(SI 278 of 2007)

  11. Water Sampling • Raw water samples from streams. • Raw water samples at plant intakes. • Samples during the treatment process. • Treated water samples at plant outlets. • Treated water samples at consumer taps.

  12. DCC System Statistics • Water Mains 2700km • >50 years old 1300km • >75 years old 700km

  13. Sandblasted Water Main Sample

  14. Leakage Reduction - Region • Leakage 1994 43% • Leakage 2009 29% • Saving 39 Mld • Housing Units 80,000 • Industry (jobs) 5,000

  15. Most Leaks are hard to find1600mm Friday 13th May 2005

  16. Repair of the largest water pipe in Ireland 1600mm Saturday 14th May

  17. Job completed with no disruption to supply 1600mm Sunday 15th May

  18. 2010 Charge for Water Supply & Waste Water Services to Non Domestic Users • Consolidated Charge - €1.72/1000 lt. ( €0.00172/lt.) • Consolidated Charge - €7.81/1000 gal. (€0.00781/gal.)

  19. Water Use in the Home

  20. Typical Costs @ €1.72/ 1000 Lt. • Garden Hose (540 Lt/Hr.) €0.93 • Bath (80Lt.) €0.14 • Washing Machine Old (65 Lt.) €0.10 • 5 Minute Shower (35 Lt.) €0.07 • Washing Machine New (45 Lt.) €0.07 • Dishwasher (20 Lt.) €0.03 • Toilet Flush (9Lt.) €0.02

  21. Water Conservation • Capital Budget - Watermains Rehab • Revenue Budget -Awareness Raising -Water Bye Laws - Schools Programme - DCC in-house Policy - Active leakage control

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