FORTERRA WILNECOTE QUARRY EXTENSION Hydrogeological Impact Assessment and Flood Risk Assessment For Forterra Building Products Ltd 5 Grange Park Court Roman Way Northampton NN4 5EA By Envireau Water Cedars Farm Barn Market Street Draycott Derbyshire DE72 3NB Tel: 01332 871 882 Email: [email protected] Website: www.envireauwater.co.uk Ref: P:\Forterra Wilnecote (1960)\Reporting\HIA-FRA r1.docx June 2016 TABLE OF CONTENTS NON TECHNICAL SUMMARY 1 INTRODUCTION ........................................................................................................................................... 1 2 METHODOLOGY ........................................................................................................................................... 1 2.1 Objectives .......................................................................................................................................... 1 2.2 Data Sources ...................................................................................................................................... 2 2.3 Assessment Methods ....................................................................................................................... 2 3 SITE SETTING ................................................................................................................................................ 3 4 HYDROLOGY .................................................................................................................................................. 3 4.1 Major watercourses ......................................................................................................................... 3 4.2 Minor watercourses ......................................................................................................................... 4 4.3 Canals and other artificial waterbodies ....................................................................................... 4 4.4 Surface Water Runoff, Catchments and Site Drainage ............................................................... 4 4.5 Hydrological Catchment Descriptors ........................................................................................... 4 4.6 Surface Water Features ................................................................................................................... 5 4.7 Water Body Classification Status ................................................................................................... 5 5 GEOLOGY ....................................................................................................................................................... 6 5.1 Soils ..................................................................................................................................................... 6 5.2 Published Geology Data Review ....................................................................................................... 6 5.3 Local Geology ...................................................................................................................................... 7 6 HYDROGEOLOGY .......................................................................................................................................... 8 6.1 Middle Coal Measures ........................................................................................................................ 8 6.2 Etruria Formation .............................................................................................................................. 8 6.3 Halesowen Formation ....................................................................................................................... 9 6.4 Groundwater Features .................................................................................................................... 9 7 CONCEPTUAL HYDROGEOLOGICAL MODEL ............................................................................................. 10 8 ENVIRONMENTAL SETTING ....................................................................................................................... 10 8.1 Protected Areas ................................................................................................................................ 10 8.2 Source Protection Zones .................................................................................................................. 11 8.3 Landfill .............................................................................................................................................. 11 8.4 Significant Pollution Incidents ........................................................................................................ 13 8.5 Active Discharge Consents .............................................................................................................. 13 8.6 Licensed Abstractions ...................................................................................................................... 14 8.7 Registered Private Water Supplies and Protected Rights ............................................................ 14 9 WATER MANAGEMENT PLAN .................................................................................................................... 15 9.1 Current Water Management ......................................................................................................... 15 9.2 Proposed Water Management ..................................................................................................... 15 9.3 Restoration Strategy ...................................................................................................................... 16 10 FLOOD RISK ASSESSMENT ......................................................................................................................... 16 10.1 Flood Zones ....................................................................................................................................... 16 10.2 Sequential and Exception Test ........................................................................................................ 17 10.3 Strategic Flood Risk Assessment .................................................................................................... 17 10.4 Potential Sources of Flood risk ....................................................................................................... 17 10.4.1 Risk of flooding from the sea (Tidal) ............................................................................................ 17 10.4.2 Risk of flooding from rivers and streams (Fluvial) ....................................................................... 17 10.4.3 Risk of flooding from groundwater ............................................................................................. 17 10.4.4 Risk of flooding from surface water (Pluvial) .............................................................................. 18 10.4.5 Risk of flooding to / from public sewers ...................................................................................... 18 10.4.6 Risk of flooding to / from artificial waterbodies ......................................................................... 18 10.4.7 Risk of flooding to / from roads ................................................................................................... 18 10.4.8 Restoration flooding .................................................................................................................... 19 10.4.9 Dry Islands and dry access / egress ............................................................................................. 19 10.4.10 Flood Risk Summary ..................................................................................................................... 19 11 HYDROLOGICAL / HYDROGEOLOGICAL IMPACT ASSESSMENT ............................................................. 20 11.1 Assessment Methodology ............................................................................................................. 20 11.2 Hazard Identification ..................................................................................................................... 20 11.3 Groundwater and Surface Water Impacts ................................................................................. 20 11.4 Chemicals, Fuel and Oil ................................................................................................................. 22 12 SCHEME OF MONITORING .......................................................................................................................... 22 13 CONCLUSIONS ............................................................................................................................................. 23 14 REFERENCES ............................................................................................................................................... 24 FIGURES Figure 1 Site Location Figure 2 Watercourses and Artificial Water bodies Figure 3 Overview of Surface Runoff and Drainage Figure 4 Geology Figure 5 Conceptual Model Figure 6 Environmental Setting Figure 7 Environment Agency Rivers and Sea Flood Map Figure 8 Environment Agency Risk of Surface Water Flooding TABLES Table 1 Hydrological Catchment Descriptors Table 2 2015 Ecological, Chemical and Overall Risk Status Table 3 Summary of Solid Geology in the vicinity of the proposed extension Table 4 Historic Landfill Sites within a 2km radius Table 5 Authorised Landfill Sites