Activity Group: Sewerage Including Treatment and Disposal Major Budgeted Capital Projects Emerging Issues and Expected Changes The following table outlines the major budgeted projects and areas of expenditure proposed for this Activity over the next 10 years. Although these items are budgeted, in Reasons for the Upcoming Projects some cases further public consultation will be required with the relevant community Completion of the Picton trunk main upgrade will reduce and control overflows. before the project is implemented. These projects are also listed under the Capital • Expenditure line of the Funding Impact Statement at the end of this Activity section. Gaining renewal of resource consents at Seddon and Havelock wastewater • Inflated value treatment plants is likely to result in revised consent conditions. These may Areas Major Capital Projects (Millions) include a requirement to recycle effluent or discharge it to land. 2018-28 Pipelines $20.9 • The Main Outfall Pump Station (MOPS) at Riverlands will require major Blenheim 2018-28 Pump stations $21.8 upgrade works to improve its earthquake resistance. Council decided it would be more economical to rebuild the pump station in 2021/23. 2018-28 Treatment plant $9.6 2018-28 Pipelines maintenance and renewals. $9.9 • Increasing treatment capacity at the Blenheim Sewage Treatment Plant (BSTP) $4.8 is necessary to meet continuing growth in trade waste. Picton 2018-28 Pump station upgrades 2018-28 Treatment plant $12.3 • Infrastructure renewal is necessary across networks due to damage caused by the 2016 earthquakes and as pipelines near the end of their useful life. Riverlands 2018-28 Sewerage treatment for industrial $26.6 capacity upgrade. Ongoing Issues Seddon 2018-28 Sewerage treatment upgrade. $4.3 • The management and control of rainfall derived inflow and groundwater St Andrews 2018-26 Pipelines $1.2 infiltration into the wastewater reticulation. Havelock 2018-28 Sewerage treatment upgrade. $8.9 • Failure of on-site wastewater treatment systems in townships and rural residential areas without municipal sewerage systems. 2018-2028 Long Term Plan Page 82