DRINKING WATER SUPPLIES IN COUNTY KILDARE

BY GERARD CONLAN S.E.E.

CONTENT

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

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: Kildare: 1,300,000 135,000

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

REGIONAL WATER SUPPLY PRODUCTION PLANTS

REGIONAL DEMAND

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

Regional Water Supply

Aug 2003 • – – River Liffey System Ballymore Eustace WTP 252 Ml/day Leixlip WTP Total 148 Ml/day 400 Ml/day • Kildare Demand from Regional Water Supply / Liffey System – Ballymore Eustace – Total Supply Area Leixlip Supply Area 34 Ml/day 27 Ml/day 61 Ml/day

COUNTY KILDARE • 3 Sanitary Authorities

– Kildare County Council – Naas Town Council – Athy Town Council

REGIONAL WATER SUPPLY AREAS WATER SUPPLY AREA 1.

Leixlip 2.

Ballymore Eustace 3.

Rathvilly (Castledermot) SOURCE River Liffey River Liffey River Slaney

PUBLIC WATER SOURCES IN COUNTY KILDARE

Source Type Location of Abstraction Supply m3/d

•

River Liffey

• •

River Slaney Groundwater Ballymore Eustace (252 ML/d) Leixlip (148 ML/d) Rathvilly (9 ML/d) Public Sources Private Sources 34,000 27,000 500 3,850 5,900 -------- 71,250

PUBLIC GROUNDWATER SOURCES LOCATION • Athy (3) PRODUCTION (M3/DAY) 2,300 • Monasterevin (3) • Non-Regional Boreholes (14) • Johnstownbridge 1,000 500 50 -------- 3,850

PRIVATE SOURCES SOURCES PRODUCTION (M3/DAY) • GWS Minor Boreholes (7) • Curragh Camp (2) 900 2000 • Minor Private Boreholes Individual Wells 3000 ------- 5,900

PUBLIC WATER SUPPLIES - 1

Public Supply

P 1 P 2 P 3 P 4 P 5

N N N N N N S S T T T T T

Location

Ballymore Eustace WTW (BME) Bawnogues, Punchestown (BME-Culvert) Rathmore (BME-Culvert) Arthurstown (BME-1600) Keatings Park, Celbridge (BME-Culvert) T T T Leixlip WTW Leixlip (St Catherines Park) Confey (Leixlip to Ballycoolan rising main) N T Johnstownbridge (Meath Co. Co.) S T Castledermot (Carlow Co. Co.) S T Ballyroe (Athy Town Council)

Production m3/day

34,070 27,025 63 507 30

Public Supply

P 6 P 7 P 8 P 9 P 10 P 11 P 12 P 13 P 14 P 15 P 16 P 17 P 18 P 19 P 20 P 21 P 22 P 101 P 102 P 103

PUBLIC WATER SUPPLIES - 2 N N N N N N A A A S S S S S S S S S S S NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR

Location

Bullock Park Clogherinkoe Clonuff Newtown (Kilcock) Newtown Grove (Eadestown) Redbog Monasterevin - Ballykelly (Borehole) Monasterevin - Forest (Spring) Monasterevin - Lughill Ardellis Castlemitchell Housing Castlemitchell Quarry Castlemitchel Churchtown Kilberry Kilkea Kilmeade (St Ita's Park) Kilmeade (Moatvioew) NR NR NR Athy - Barrick Lane Infiltration Gallery Athy - Woodstock Borehole Athy - Barrick Lane Borehole

Production m3/day

38 23 13 36 2 10 436 225 326 6 2 11 62 234 44 14 4 2,330 incl.

incl.

Group Scheme

Gr 1 Gr 2 Gr 3 Gr 4 Gr 5 Gr 6 Gr 7 Gr 8 Gr 9 Gr 10 Gr 11 Gr 12 Gr 13

Private Scheme

Pr 1

Pr Pr Pr Pr Pr Pr Pr Pr Pr Pr Pr Pr Pr PRIVATE WATER SUPPLIES

Location

Ashgrove/Kildangan Ballindoolin Castle (Kilteel) Commonstown Hempstown Killerig/Straboe Kilteel Leinster Lodge (Ballyroe) Lipstown/Narraghmore Mooretown Old Mill Usk/Gormanstown Wolfstown

Location

Curragh Camp (2 Boreholes)

Production m3/day

21 30 60 1 2 420 5 5 85 60 60 175 5

Production m3/day

2,000

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

FUTURE ADDITIONAL PRODUCTION Authority Year Additional Available Production (ML/Day) • Kildare County 2005 Council 2006 2008 6.5

8.75

30 Rathangan (4) Monasterevin (2.5) Robertstown (5) Johnstownbridge (3.75) River Barrow

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

Kildare County County Average Daily Water Demand (m3/d) for August 2003 Supply Area Demand Purchased Produced Kildare County Council Supplies

(including Naas TC but excluding Athy TC and Private Supplies

) Ballymore Eustace Supply Region Leixlip Supply Region Castledermot Johnstown Bridge Ballyroe Non - Regional Water Supply Schemes (Monasterevin, Kilberry etc.) Total (1) (2) (3) (4) (5) 34,070 34,070 (55.2%) 27,025 27,025 (43.8%) 506 506 ( 0.8%) 63 63 30 30 1,482 1,482 63,176 61,694 (100%) (97.7%) 1,482 (2.3%)

PRICE OF WATER 2003

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

INFLUENCES ON DRINKING WATER QUALITY - 1

THE WATER SOURCE

     

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

INFLUENCES ON DRINKING WATER QUALITY - 2

THE WATER TREATMENT PLANT



Fluoride



Aluminium



Odour or Taste (Chlorination)



THM’s (Chlorination Byproducts)

INFLUENCES ON DRINKING WATER QUALITY - 3

THE DISTRIBUTION SYSTEM



Discolouration (Sediment)



Odour or Taste (Chlorination)



Lead



Bugs / Creepy Crawlys

INFLUENCES ON DRINKING WATER QUALITY - 4

THE HOUSE PLUMBING SYSTEM



Lead

•

Copper

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.

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