1. Meeting the Challenges of the Changed Economic Environment Annual Conference September 2009 Water Services Training Group 13 th Annual Conference 10 th September 2009

2. Meeting the Challenges of the Changed Economic Environment Annual Conference September 2009 Mainstreaming Water Conservation – The Wexford Experience Niall McGuigan Director of Service Wexford County Council

3. Meeting the Challenges of the Changed Economic Environment Annual Conference September 2009 Phase 1 (’96 – ’00): Ryan Hanley Carl Bro Survey, map, analyse, recommend for County at large. Wexford Town mains replacement (MDS) Gorey Town 1.6km relined, 14.5km replaced – 72% UFW BUT We didn’t keep our data up to date – Bursts, extensions etc

4. 2 Year project (!) Linked with CIS Visited Scottish Water 89 DMA’s 150 loggers, 500 bulk meters on 2,000km pipes (now + 7,500 NDU meters) Telemetry in key locations ALC Hydraulic Models: 7/9 Major Schemes Mains Rehab Report Meeting the Challenges of the Changed Economic Environment Annual Conference September 2009 Phase 2+ (2002 – 2008): 2008+: and now we’re funding it from revenue, part of cost of water.

5. Meeting the Challenges of the Changed Economic Environment Annual Conference September 2009 Slide with photo or graph Typical CIS map (also Apas, intranet and internet)

6. Meeting the Challenges of the Changed Economic Environment Annual Conference September 2009 Local Authority Project Team Team ATeam B

7. Meeting the Challenges of the Changed Economic Environment Annual Conference September 2009 Permanent Team EXECUTIVE ENGINEER Conservation Network Mgmt Quality Monitoring Water Conservation, Telemetry Officer Leakage Control Inspector (North) Leakage Control Inspector (South) CIS Officer Wtr Consv’n & Network Mgmt: About €0.5m/year, including equipment maintenance, staff, t&s etc.

8. Meeting the Challenges of the Changed Economic Environment Annual Conference September 2009 Leak Detection 2005 - 2008 Type of Leak Public Leaks: Repair by WCC Private Leaks: Repair by Developer/Home Owner No. Found No. Repaired % Repaired No. Found No. Repaired % Repaired Consumer Side17816494%57953688% Mains1,3121,28098%20019497% Stoptap61059397%30026387% Supply Side59458598%1039895% Valve/Hydrant37935597%958994% Totals3,1073,020 97% 1,2771,157 91% Public & Private4,3844,177 95%

9. Meeting the Challenges of the Changed Economic Environment Annual Conference September 2009 UFW 2000 - 2008 UFW m3/km/hr ± % from 2000UFW % of flow ± % from 2000 URBAN E/C Town1.19+16%45-18% New Ross Town0.53-58%28-45% Gorey/Courtown0.49-76%27-61% Wexford Town0.68-65%26-48% RURAL Gorey Reg.1.04+35%660% Small Schemes0.470%39-22% South West Reg.0.23-21%31-39% Fardystown Reg.0.41-7%4319% Sow Reg.0.16-33%28-22% South East Reg.0.27-36%36-38% Averages0.45-33%37-27% Rural Targets?: 0.4 m3/km/hr (0-5y) 0.3 (5-10y) 0.25 (10-20y)

10. Meeting the Challenges of the Changed Economic Environment Annual Conference September 2009 Active Leakage Control Vs “Do Nothing” 20,000 m3/day

11. Meeting the Challenges of the Changed Economic Environment Annual Conference September 2009 Analysis - Sow (rural) Wexford E/C Curracloe Blackwater Source vols ok Poor supply at coast Established customers Established UFW UFW minimal (0.29m 3 /km/hr) Pipe bore ok Hydraulic model Pipe constraint Additional coastal source Link to other reg. scheme Increase pipe dia Not a rehab job Good methodology Source

12. Meeting the Challenges of the Changed Economic Environment Annual Conference September 2009 Gorey Courtown Cahore Wellfield Reservoir Analysis - Gorey Rural Huge leakage Every joint Compound dried out Terrible level of service Quantified problem vfm: joints or pipe? Replaced 10km Another 5km now critical Manoeuvring flows based on modelling. Reservoir

13. Meeting the Challenges of the Changed Economic Environment Annual Conference September 2009 Leak Repairs - Mapping Records used for: Invoicing 3 rd parties Build up database ‘Levels of Service’ Decision making Prioritising work Case for mains rehab

14. Meeting the Challenges of the Changed Economic Environment Annual Conference September 2009 Using Leak Records to Build Up a Case for Pipe Rehab – Gorey Regional 57 bursts in 4 years

15. Meeting the Challenges of the Changed Economic Environment Annual Conference September 2009 Network Mgmt - Modelling Fardystown: Eliminated pump station at Rosslare Harbour €12,500/yr electricity TWL:75m TW:55m 12 km 7 major schemes modelled.

16. Meeting the Challenges of the Changed Economic Environment Annual Conference September 2009 Network Mgmt - Telemetry About 90 monitors 8 principal plants Cl resid, pH, Turbidity, NH4, Pumps, Reservoir levels etc. Other key locations Report to Central Control Remote monitoring (& control) by engineers etc Automatic alarm & dial-out Operators help evaluate predetermined responses Reduces reactive and precautionary visits

17. Meeting the Challenges of the Changed Economic Environment Annual Conference September 2009 Conservation – Schools & Other Leaflets To each property, to each NDU. Gorey Community School 2004 24 m3/day 15 m3/day (-38%) Cost: €9,000 meters, urinals, push taps, cistern dams Saving 3,200 m3/yr = €9,000 Schools Competition 2008-’09 Get them ready for 2010. 15 schools entered ’08. Prizes for: Lowest av’ge consumption/pupil Most reduction in consumption/pupil Target commercials with advice? Regional Network Mgmt? Rainwater Harvesting? Carlow Co Co pilot 69 litres/hd/day, 2 person house 35 – 60% saving?

18. Meeting the Challenges of the Changed Economic Environment Annual Conference September 2009 Water Conservation & Network Mgmt – Cost or Saving for Wxd Co Co? No ALC: 60,900m3/d in 2006 Actual: 43,500m3/d in 2006 Saving: 17,400m3/d Marginal Cost: 12c/m3 Annual Opex saving €762,000 Cost of new 17,400m3/d plant say €6m. WCC 40%, over 10 years= €240,000/year Total Saving Opex + Capex €1m/year Cost of Water Conservation and Network Mgmt: €0.5m/year Customers +57% m3/d +12% 10 Yrs

19. Meeting the Challenges of the Changed Economic Environment Annual Conference September 2009