Document library

Public Consultation (Summer 2024):

Summary brochure Public consultation brochure (Technical brochure) Public consultation questionnaire (print version) Interim master plan

Options appraisals:

Options appraisal - Context and methodology report Options appraisal - Rail siding and materials handling area report Options appraisal - Access and diversion roads report Options appraisal - Connectivity to the River Thames report Options appraisal - Thames to Southern Transfer SRO, WTW site identification report

Factsheets:

SESRO - Development Consent Order Factsheet SESRO - Ground Investigations and Clay Compaction Trial Factsheet SESRO - Reservoir Safety and Operation Factsheet SESRO - The Thames to Southern Transfer Factsheet SESRO - Environmental Impact Assessment Factsheet SESRO - Flood Management Factsheet SESRO - Land and Property Factsheet

Other:

Map book Design principles Legacy brochure

Consultation documents (Autumn 2023):

Summary brochure Consultation questionnaire Site options consultation document Map book Site appraisal methodology Site appraisal report

Factsheets:

SRO - Understanding Water Factsheet

Summary:

Customer Summary

Main Report:

Main Report

Appendices:

A - Response to the EA’s representation B - Response to Ofwat’s representation C - Response to Natural England’s representation D - Response to Historic England’s representation E - Response to Natural Resources Wales representation F - Response to CCW’s representation G1 - Response to representations from organisations G1 Addendum - Response to representations from organisations G2 - Response to representations from the following organisations – Chalk Stream First, Greater London Authority, Group Against Reservoir Development, Oxfordshire County Council, Vale of White Horse District Council H - Response to representations from individuals H Addendum - Response to representations from individuals I - Response to online representations J - Response to representations on the Severn Thames Transfer

Foreword:

Foreword

Technical Report:

1 - Introduction and Background 2 - Environment 3 - Demand Forecast 4 - Current and Future Water Supply 5 - Environmental Forecast 6 - Allowing for Risk and Uncertainty & Baseline Supply Demand Balance 7 - Resource Options 8 - Demand Reduction Options 9 - Environmental & Social Assessment 10 - Programme Appraisal 11 - The Overall Best Value Plan

Technical Appendices:

A - Water Resource Zone Integrity B - Strategic Environmental Assessment C - Habitats Regulation Assessment D - Water Framework Directive Assessment E - Population and Property Projections F - Household Water Demand Forecast G - Non-Household Demand Forecast H - Dry Year & Critical Period Forecasting I - Deployable Output J - Outage K - Treatment Capability & Process Losses M - Leakage N - Metering O - Water Efficiency P - Options List Q - Scheme Rejection Register R - Scheme Dossiers S - Stakeholder Engagement T - Customer Priorities & Preferences U - Climate Change W - Programme Appraisal Methods X - Programme Appraisal Outputs Y - Alignment (DWMP and WRMP) Z - Defra Directions Checklist AA - Natural Capital and Biodiversity Net Gain Assessment BB - Invasive and Non-Native Species Risk Assessment CC - Lessons from 2022 Drought

Data Tables:

Data Tables Data Tables Supplementary Note

Glossary:

Glossary

Supporting documents:

Demand Management Options - Screening Report Demand Management Options - Feasible Options Report Feasibility Report Addendum - Desalination Feasibility Report Addendum - Reservoir Feasibility Report Addendum - Direct River Abstraction Feasibility Study Report Addendum - Water Recycling Feasibility Report Addendum - Raw Water Transfer Feasibility Report Addendum - Inter-zonal Water Transfers Feasibility Report Addendum - Groundwater Redacted Options Metrics Overview Security & Commercial Letter SEA Data Sheets - BVP Situation 4