RUNNYMEDE BOROUGH COUNCIL: STRATEGIC FLOOD RISK ASSESSMENT

Figure 19 Runnymede Borough Council Runnymede Civic Centre ® Impounded Water Bodies Station Road Addlestone KT15 2AH

Queen Mother Reservoir

Staines North King George VI Reservoir Staines Egham South Englefield Englefield Town Egham Green West Green Hythe Great Obelisk East Queen Mary Pond Pond Reservoir

Thorpe

Virginia Water Chertsey Settling Chertsey St Anns Chertsey Meads Queen Foxhills Addlestone Addlestone Elizabeth II Bourneside North

Coxes !! Chertsey Mill South and Pond Rowtown

Woodham

Key

!! Impounded Water Bodies Impounded Water Bodies (area) Navigation Canal Borough Boundary Ward Boundaries © Crown copyright and database rights 2018 Ordnance Survey 100006086 Contains Environment Agency information © Environment Agency and database right

0 1 2 4 A Scale: 1:107,944 km P RUNNYMEDE BOROUGH COUNCIL: STRATEGIC FLOOD RISK ASSESSMENT

Figure 20a Runnymede Borough Council Runnymede Civic Centre Risk of Flooding from Reservoirs Station Road ® Addlestone Surrey KT15 2AH

Englefield Green West Egham Egham Englefield Town Hythe Green East

Thorpe

Virginia Water

Chertsey St Anns

Chertsey Meads

Foxhills

Addlestone North

Addlestone Bourneside

Chertsey South and Rowtown

New Haw

Woodham

Key

Borough Boundary Ward Boundaries © Crown copyright and database rights 2018 Ordnance Survey 100006086 Risk of Flooding from Reservoirs Contains Environment Agency information © Environment Agency and database right

C 0 0.5 1 2 km B RUNNYMEDE BOROUGH COUNCIL: STRATEGIC FLOOD RISK ASSESSMENT

Figure 20b Runnymede Borough Council Runnymede Civic Centre Risk of Flooding from Reservoirs (Flood Depth) Station Road ® Addlestone Surrey KT15 2AH

Englefield Green West Egham Egham Englefield Town Hythe Green East

Thorpe

Virginia Water

Chertsey St Anns

Chertsey Meads

Foxhills

Addlestone North

Addlestone Bourneside

Chertsey South and Rowtown

New Haw

Key

Borough Boundary Ward Boundaries Woodham Risk of Flooding from Reservoirs (Flood Depth) Flood depth (metres) Below 0.3m Between 0.3 and 2m © Crown copyright and database rights 2018 Ordnance Survey 100006086 Over 2m Contains Environment Agency information © Environment Agency and database right

C 0 0.5 1 2 km B RUNNYMEDE BOROUGH COUNCIL: STRATEGIC FLOOD RISK ASSESSMENT

Figure 20c Runnymede Borough Council Runnymede Civic Centre Risk of Flooding from Reservoirs (Flood Speed) Station Road ® Addlestone Surrey KT15 2AH

Englefield Green West Egham Egham Englefield Town Hythe Green East

Thorpe

Virginia Water

Chertsey St Anns

Chertsey Meads

Foxhills

Addlestone North

Addlestone Bourneside

Chertsey South and Rowtown

New Haw

Key

Borough Boundary Ward Boundaries Woodham Risk of Flooding from Reservoirs (Flood Speed) Flood depth (metres/second) Below 0.5m/s Between 0.5m/s and 2m/s © Crown copyright and database rights 2018 Ordnance Survey 100006086 Over 2m/s Contains Environment Agency information © Environment Agency and database right

C 0 0.5 1 2 km B RUNNYMEDE BOROUGH COUNCIL: STRATEGIC FLOOD RISK ASSESSMENT

Figure 21 Runnymede Borough Council Runnymede Civic Centre Wet Spots Station Road ® Addlestone Surrey KT15 2AH

Englefield Englefield Egham Green West Green East Egham Town Hythe

Thorpe

Virginia Water

Chertsey St Anns Chertsey Meads

Addlestone North Addlestone Bourneside

Chertsey South and Rowtown Foxhills

New Haw

Key Woodham

*Wet Spots Borough Boundary Ward Boundaries Urban Area (BE2) Green Belt (GB1) © Crown copyright and database rights 2018 Ordnance Survey 100006086

C 0 0.5 1 2 *Wet Spot data provided by Surrey County Council (December 2015 Update) km B RUNNYMEDE BOROUGH COUNCIL: STRATEGIC FLOOD RISK ASSESSMENT

Runnymede Borough Council Runnymede Civic Centre Groundwater Vulnerability Station Road ® Addlestone Surrey KT15 2AH

Englefield Green West Egham Egham Englefield Town Hythe Green East

Thorpe

Virginia Water

Chertsey St Anns

Chertsey Meads

Foxhills

Addlestone North

Addlestone Bourneside

Chertsey South and Rowtown Key New Haw Borough Boundary Ward Boundaries Groundwater Vulnerability Woodham Major Aquifer High Major Aquifer Intermediate Major Aquifer Low Minor Aquifer High Minor Aquifer Intermediate © Crown copyright and database rights 2018 Ordnance Survey 100006086 Minor Aquifer Low Contains Environment Agency information © Environment Agency and database right

A 0 0.5 1 2 km P RUNNYMEDE BOROUGH COUNCIL: STRATEGIC FLOOD RISK ASSESSMENT

Figure 23 Runnymede Borough Council Runnymede Civic Centre SuDS Drainage Summary Station Road ® Addlestone Surrey KT15 2AH

Englefield Green West Egham Egham Englefield Town Hythe Green East

Thorpe

Virginia Water

Chertsey St Anns

Chertsey Meads

Foxhills

Addlestone North

Addlestone Bourneside

Chertsey South and Rowtown

New Haw

Key

SuDS Drainage Summary Woodham Highly compatible for infiltration SuDS Opportunities for bespoke infiltration SuDS Probably compatible for infiltration SuDS

Very significant constraints are indicated Borough Boundary © Crown copyright and database rights 2018 Ordnance Survey 100006086 Ward Boundaries Derived from 1:50,000 scale BGS Digital Data under Licence 2013/040SuDS British Geological Survey. ©NERC

C 0 0.5 1 2 km B Figure 24

Figure 24 can be found on page 121 of the Strategic Flood Risk Assessment RUNNYMEDE BOROUGH COUNCIL: STRATEGIC FLOOD RISK ASSESSMENT

Figure 25 Runnymede Borough Council Runnymede Civic Centre ® Flood Alleviation Channel Station Road Addlestone Surrey KT15 2AH

Windsor and Maidenhead

Englefield Egham Egham Englefield Green East Green West Town Hythe

Spelthorne Thorpe

Virginia Water

Chertsey St Anns

Chertsey Meads

Addlestone North Addlestone Bourneside Surrey Chertsey Heath South and Elmbridge Rowtown Foxhills

Key New Haw Borough Boundary District Boundaries Woodham Ward Boundaries

River Thames Scheme Channel 1 & 3 Scheme Channel 2 Green Belt (GB1) © Crown copyright and database rights 2018 Ordnance Survey 100006086 Contains Environment Agency information © Environment Agency and database right

0 0.5 1 2 C km B