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Ian Cleaver 8 th March 2012

AMP5 Lead Programme. Ian Cleaver 8 th March 2012. AMP5 Lead Programme. Current NWL Performance Current Compliance Against 25 µg/l : 99.8% Against 10 µg/l : 99.6% NWL’s plan Short to medium term plans are for no deterioration, to remain 99% compliant across the organisation.

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Ian Cleaver 8 th March 2012

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  1. AMP5 Lead Programme Ian Cleaver 8th March 2012

  2. AMP5 Lead Programme • Current NWL Performance • Current Compliance • Against 25µg/l : 99.8% • Against 10µg/l : 99.6% • NWL’s plan • Short to medium term plans are for no deterioration, to remain 99% compliant across the organisation. • The long term plan is to be 100% compliant by 2024, however to attain this level of compliance legislation will need to change as ownership of private side pipework remains with the customer.

  3. AMP5 Lead Programme • Why is NWL Replacing Lead? • The health issue • Lead is a cumulative poison and research has shown that exposure to it has been linked to reduced neurodevelopment in vulnerable groups. • It affects the young <6yrs • It affects unborn children • Change in regulatory standard • The current regulatory prescribed concentration or value (PCV) is set at 25µgl (measured at the customers tap). On the 25th Dec 2013 this PCV drops to 10µg/l making compliance tougher moving forward

  4. AMP5 Lead Programme • The NWL response (working with the DWI). • Identification of ‘hotspot’ areas against the new 10µg/l standard. • Operational and enhanced water samples • WQ zones and DMAs • Current number of renewals on the project (north & south) 4300 • Control Measures • Orthophosphate dosing at treatment works. • Policy Changes • Renewal of communication pipes on samples >10µg/l • April 2010 NWL changed its lead communication pipe renewal policy to match the upcoming 2013 change in standards.

  5. AMP5 Lead Programme • The NWL response (working with the DWI). • Opportunistic lead replacement • For the AMP5 period NWL are replacing in excess of 615km of mains across all operating areas. • Communication pipes are replaced when this work is carried out. • Working with Local Authorities and PCT’s • Renewing lead comm. pipes when local authorities replace lead supply pipes in their housing stock. • Working with PCT’s, this is an area open for discussion; how do we inform and educate our customers, without raising undue concern?

  6. AMP5 Lead Programme • Questions?

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