DRINKING WATER SUPPLIES

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DRINKING WATER SUPPLIES

• IN
• COUNTY KILDARE
• BY
• GERARD CONLAN S.E.E.

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CONTENT

• GREATER DUBLIN REGIONAL WATER SUPPLY
• COUNTY KILDARE WATER SUPPLY
• COST OF WATER
• DRINKING WATER QUALITY

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Greater Dublin Regional Water Supply Area

• Serving 9 Sanitary
  Authorities
• Dublin City Council
• South Dublin County Council
• Fingal County Council
• Dun Laoghaire/Rathdown County Council
• Kildare County Council
• Naas Town Council
• Wicklow County Council
• BRay Town Council
• Meath County Council
• Population Region-
  1,300,000
• Kildare- 135,000

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Regional Production Plants

• 5 PRODUCTION PLANTS
• 3 Operated by Dublin City Council
• Ballymore Eustace - Liffey
• Roundwood -
  Vartry
• Ballyboden -
  Dodder
• 2 Operated by Fingal County Council
• Leixlip
  - Liffey
  
• Bog of the Ring -
  Groundwater
  

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REGIONAL WATER SUPPLY PRODUCTION PLANTS
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REGIONAL DEMAND

• 2003 Average Demand 480 Ml/day
• Peak Demand gt 500 Ml/day
• 2031 Demand 1000 Ml/day

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Regional Water Supply Aug 2003

• River Liffey System
• Ballymore Eustace WTP 252 Ml/day
• Leixlip WTP 148 Ml/day
• Total 400 Ml/day
• Kildare Demand from Regional Water Supply /
• Liffey System
• Ballymore Eustace
• Supply Area 34 Ml/day
• Leixlip Supply
• Area 27 Ml/day
• Total 61 Ml/day
• 
  

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COUNTY KILDARE

• 3 Sanitary Authorities
• Kildare County Council
• Naas Town Council
• Athy Town Council

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REGIONAL WATER SUPPLY AREAS

• WATER SUPPLY AREA SOURCE
• 1. Leixlip River Liffey
• 2. Ballymore Eustace River Liffey
• 3. Rathvilly (Castledermot) River Slaney

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PUBLIC WATER SOURCESIN COUNTY KILDARE

• Source Type Location of Supply
• Abstraction m3/d
• River Liffey Ballymore Eustace 34,000
• (252 ML/d)
• Leixlip 27,000
• (148 ML/d)
• River Slaney Rathvilly 500
• (9 ML/d)
• Groundwater Public Sources 3,850
• Private Sources 5,900
• ---------
• 71,250

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PUBLIC GROUNDWATER SOURCES

• LOCATION
• Athy (3)
• Monasterevin (3)
• Non-Regional Boreholes (14)
• Johnstownbridge

• PRODUCTION (M3/DAY)
• 2,300
• 1,000
• 500
• 50
• ---------
• 3,850

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PRIVATE SOURCES

• SOURCES
• GWS Minor Boreholes (7)
• Curragh Camp (2)
• Minor Private Boreholes
• Individual Wells

• PRODUCTION (M3/DAY)
• 900
• 2000
• 3000
• --------
• 5,900

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PUBLIC WATER SUPPLIES - 1
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PUBLIC WATER SUPPLIES - 2
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PRIVATE WATER SUPPLIES
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TOTAL COUNTY DEMAND

• Aug 2003
  (M3 / Day)
• Public 65,350
• Group Water Schemes 900
• Private 5,000
• ______
• 71,250
• Liffey System 61,000

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FUTURE ADDITIONAL PRODUCTION

• Authority Year Additional Available
• Production (ML/Day)
• Kildare County 2005 6.5
  Rathangan (4)
• Council Monasterevin (2.5)
• 2006 8.75 Robertstown
  (5)
• Johnstownbridge (3.75)
• 2008 30 River Barrow

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WATER STRATEGY - 1999

• Feb 1999 Aug 2003
  2020
• (M3 / Day) (M3 / Day)
  (M3 /Day)
• PUBLIC 48,100 65,350
• GROUP WATER SCHEMES 900 900
• PRIVATE 3,000 5,000
• ______
  ______ ______
• 52,000 71,250
  101,800
• LIFFEY SYSTEM SUPPLY 43,500
  61,000 50,000

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Kildare County County Average Daily Water Demand
(m3/d) for August 2003
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PRICE OF WATER 2003

• METERED 90 c / m3
• WATER or
• CHARGE 3.96 / 1000 gallons

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INFLUENCES ON DRINKING WATER QUALITY - 1

• THE WATER SOURCE
• Nitrates
• Iron and Manganese
• Pesticides
• Odour or Taste (Algae)
• Hardness
• Pathogens - Cryptosporidium, Viruses, Bacteria

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INFLUENCES ON DRINKING WATER QUALITY - 2

• THE WATER TREATMENT PLANT
• Fluoride
• Aluminium
• Odour or Taste (Chlorination)
• THMs (Chlorination Byproducts)

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INFLUENCES ON DRINKING WATER QUALITY - 3

• THE DISTRIBUTION SYSTEM
• Discolouration (Sediment)
• Odour or Taste (Chlorination)
• Lead
• Bugs / Creepy Crawlys

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INFLUENCES ON DRINKING WATER QUALITY - 4

• THE HOUSE PLUMBING SYSTEM
• Lead
• Copper

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DRINKING WATER QUALITY ISSUES - 1

• MICROBIOLOGICAL CONTAMINATION
• Loss of Chlorine Residual
• Contaminated Source
• HIGH IRON AND MANGANESE LEVELS
• Natural geological ground conditions
• HIGH NITRATE LEVELS
• High applications of fertilizers, slurries etc.

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DRINKING WATER QUALITY ISSUES - 2

• NATURALLY OCCURRING URANIUM
• Natural geological ground conditions - granite
  bedrock with high radon
• FLUORIDE EXCEEDENCES
• Faulty dosing equipment
• DISCOLOURED WATER
• Inadequate scouring
• Bursts