Preliminary flood risk assessment
1.1 Study area
The study area comprises of the Borough of Stockton on Tees located in the north east of England and covers an area of 20,390 ha and has a population of 187,100. Stockton Borough is one of the five Borough Councils that are within the Tees Valley and lies east of Darlington and west of Middlesbrough.
The north of Stockton Borough boundary is located at Tees Mouth coastline and the eastern part of the borough follows the Tees Estuary. The eastern part of the Borough is highly urbanised and is joined to Middlesbrough. Further west, the Borough is more rural but relatively flat, with a few smaller towns and villages dispersed across this area. The main urban area is Stockton Town which is joined by Billingham to north and Thornaby-on tees to the south.
The River Tees is the main watercourse in Stockton Borough. The Tees rises on the eastern slopes of Cross Fell, which is the highest peak in the Pennines and flows west to east through Stockton borough and is fluvial until reaching the Tees Barrage.
The Borough of Stockton (figure 2) (PDF, 109 KB) is located in the Tees Valley and the study area falls across the Northumbrian River Basin District.