Appendix A: Providing continuous high quality drinking water Scottish Water is undertaking work associated with the 10 programme areas in the table below. Objective Quarterly monitored programme areas Q1 2017/18 Actual 2017/18 Year end Target 2017/18 Year end Forecast Total number of outputs over the regulatory period Drinking water quality and reliability Number of water treatment works improved 1 4 5 27 Number of zones made compliant with iron & manganese standards 0 0 43 88 Number of improvements to reliability of supply (catchments and treatment) 3 4 13 47 Number of improvements to reliability of supply (networks and storage) 11 9 18 82 Distribution mains cleaned (km) 0 93 157 5,928 Number of water quality etc studies to inform future periods 106 124 187 345 2010-15 outputs planned to complete in the 2015-21 period 7 6 10 22 Drinking water security of supply Water supply resilience strategy and improvements made 8 6 9 18 Number of zones with improved security of supply (SOSI) 1 1 2 10 Number of security measures and improvements to the infrastructure of critical reservoirs 139 118 167 689 276 272 454 1,328 Appendix B: Protecting and enhancing the environment Scottish Water is undertaking work associated with the 10 programme areas in the table below. Objective Quarterly monitored programme areas Q1 2017/18 Actual 2017/18 Year end Target 2017/18 Year end Forecast Total number of outputs over the regulatory period Protecting and enhancing the environment Number of WWTWs improved to meet UWWTD 8 8 17 26 Number of waste water networks improved to meet UWWTD 17 17 19 60 Number of improvements required to meet UWWTD - Glasgow completion 36 42 50 94 Number of improvements required to meet the Water Framework Directive 1 10 11 21 Studies to inform requirements under the revised Bathing Waters Directive 0 1 1 11 Number of environmental studies to inform future periods 5 1 36 126 Number of improvements required by the Compliance Assessment Scheme; odour reduction and sludge management 19 13 34 42 2010-15 outputs planned to complete in the 2015-21 period - WW 10 9 12 15
Intervention Definition Process (IDP) Scottish Water’s process to identify scope options and select preferred option to achieve the outcome required. IR18 Rolling Investment Review 2018 to consider priorities and outputs for the 2018-21 period and beyond. Leakage The water lost from Scottish Water’s network of water pipes and its assets (service reservoirs etc.) between putting water into supply and it arriving at customer taps. Ministerial Objectives A statement of requirements (deliverables) set out by Scottish Ministers. Outputs Tangible deliverables, such as an improved waste water treatment facility, which benefit customers, the environment or both. Output Monitoring Group (OMG) Representatives of Scotland’s water industry who are accountable for the monitoring the progress of output delivery. Overall Measure of Delivery (OMD) The metric used to assess Scottish Water’s delivery of its investment-related outputs. Overall Performance Assessment (OPA) Score A comparative overview of company performance which is calculated each year. It covers measures of water supply, sewerage service, customer service and environmental performance. UID Unsatisfactory Intermittent Discharges. An overflow on the sewer network that requires to be improved so as to meet environmental standards for the water body into which it discharges or which it affects. UWWTD The Urban Waste Water Treatment Directive is a European Union directive concerning the "collection, treatment and discharge of urban waste water and the treatment and discharge of waste water from certain industrial sectors". WWTW A waste water treatment works (WWTW) treats waste water before returning it to the environment.