Table 21.10 Summary of Active Groundwater Abstractions Ref.
License and Operator Name
Grid Ref Source
Use
Status
Approx. Distance to Onshore electrical transmission works*
AGW1 7/35/10/*G/0018 Notcutts Ltd
Bore E of Creek Fm, Woodbridge
AGW2 7/35/07/*G/0049 A & T Johnson
Borehole at Martlesham
AGW3 7/35/08/*G/0178 Blakenham Farms
Bore at Mockbeggars Hall Farm
21.5.2 Hydrology 63.
613016, 249094
6247790 25801,
Groundwater Well & borehole (E Chalk)
Groundwater. E chalk.
626246, 247634
Groundwater (chalk)
General agriculture, spray
irrigation
General Farming & domestic
General agriculture & spray irrigation
* All distances and directions will be confirmed for the final ES.
The topography of the onshore electrical and transmission works is relatively flat and low lying. The area is drained predominantly by the River Deben and River Orwell catchments. The land within the onshore electrical transmission works, between the landfall and Newbourne is actively managed through man-made drainage channels, which are managed by East Suffolk Drainage Board.
64.
The watercourses which are crossed by the onshore cable route include the River Deben, River Fynn and Lark, and the River Gipping in addition to a number of smaller watercourses and drainage channels. The Suffolk coastal area contains both fluvial and estuarine systems with associated creek networks and marshlands.
65.
Four main watercourse areas have been identified for crossing by HDD these are the River Deben, Kirton Creek, Martlesham Creek and River Gipping. The location of the planned HDD works is shown on Figure 21.4. This figure will be updated for all other watercrossings for the final ES.
66.
The River Deben catchment is approximately 184km2 and the source can be found west of the town of Debenham in the district of Mid Suffolk. The river winds southeast to the town of Wickham Market and then changes direction and runs southwest to Woodbridge. From Woodbridge the river is estuarine in character with
Preliminary Environmental Information May 2014
East Anglia THREE Offshore Windfarm
Chapter 21 Water Resource and Flood Risk Page 25
Perpetuity 0m just outside North boundary
Perpetuity 32m North Perpetuity 0m
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