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There are 14 areas of Portsmouth identified as most at risk of surface water flooding.  You can see these areas in the table below. They are in the Portsmouth City Council's  Local Flooding Risk Management Strategy and we will therefore focus on, but not be limited to, reducing the flood risks in these 14 areas. 

At the bottom of this page you can download a hotspot map in pdf format.

If you wish to discuss the hotspots further, email  drainageteam@portsmouthcc.gov.uk , phone 023 9284 1588 or write to the coastal and drainage team in Transport and Environment at Portsmouth City Council Civic Offices, Guildhall Square, Portsmouth, PO1 2NE.

 Portsmouth flooding hotspotsArea in km2No. of flooding incidentsNo. of receptors*Is area susceptible to groundwater?
Cosham (north of the railway line) 1.52 17 47 Yes 
2 Farlington Marshes 1.65 0 2 No
3 War Dept Sewer 0.39 1 6 No
4 Anchorage Park 0.50 1 10 No
5 Northern Parade (Alex Way area) 0.12 7 5 No
6 Copnor Road (Amberley Road area) 0.12 5 2 No
7 Quartremaine Road industrial estate 0.16 1 7 No
8 Great Salterns golf course 1.05 2 4 Yes
9 Copnor Road (Monkton Road area) 0.87 11 3 Yes
10 Stamshaw 0.16 17 9 Yes
11 Ordnance Row 0.01 1 2 Yes
12 Hambrook Street 0.02 6 2 Yes
13 Pier Road (Little Moras) 0.04 4 0 Yes
14 Southsea (The Great Moras) 0.18 204 7 Yes

* A receptor is critical infrastructure, such as ambulance station, police station or electrical sub-station.

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