Stratford-on-Avon District Council — Water Cycle Study Update 5.3 Settlement Area Assessment TABLE 5-2: SETTLEMENT AREA ASSESSMENT Site Information Wastewater Treatment Wastewater Network Analysis Surface Water Management and Flood Risk Potential receiving Water ID Settlement Area WwTW Foul Sewerage Network Capacity Surface Water Flood Risk Fluvial Flood Risk watercourse Geology SuDS Constraints Company for surface water The extensive flooding previously noted has been resolved by a project completed towards the end of 2012. This project will have taken The area to the north-east and west are into account the extra flows from the proposed Surface water flooding identified in in FZ 1. The centre of the MRC from Space for surface development. Provided foul only flows are the north of the MRC. Appears to north to south is in FZ 2 and FZ 3 of the River Arrow, attenuation SuDS may be 1 Alcester MRC STW Alcester Mudstone connected into the system and surface water is be associated with ordinary River Arrow. The south is in FZ 2 and River Alne limited within FZ 2 and 3 of dealt with sustainably, subject to the watercourse. FZ 3 of the River Alne and River Arrow. the River Arrow downstream pumping station capacity, it is not There is a history of flooding. envisaged that these developments will cause any adverse impact. A series of PS in the foul combined system in Alderminster eventually discharge to Bell Inn Some areas of surface water The majority of the LSV is within FZ 1. Preston on Alluvium and 2 Alderminster LSV STW PS which discharges pumped flow to flooding identified in the centre of The area to the south-west of A3400 is River Stour Stour Mudstone Wimpstone. There are no known operational the LSV. within FZ 2 and 3 of the River Stour. or capacity issues within the catchment. Flows from Alveston are pumped to the Tiddington drainage area. Flows from The majority of the LSV is within Flood Tiddington drain to Tiddington PS where they Zone 1; however the area to the north are conveyed into the Bridgetown catchment. Some areas of surface water Stratford – of Alveston Lane, The Rockery and the 3 Alveston LSV STW The cumulative effect of development within flooding identified in the north and Middle Avon Mudstone Milcote Woodlands is within FZ 2 and 3 of the the three settlements should be considered. west of the LSV. Middle Avon, which has a history of Dependent upon the scale and location of flooding. proposed development, the impacts should be quantified using hydraulic modelling. Aston Cantlow is a small village that drains South to a pumping station. There is one minor Some areas of surface water flooding incident next to the pumping station. The majority of the LSV is within FZ 1. flooding identified in the north and Due to the size of the village, the system is a Areas to the north and south-west are south of the LSV. Surface water Alluvium and 4 Aston Cantlow LSV STW Alcester very small diameter system that may not have within FZ 2 and 3 of the River Alne, and River Alne flooding areas to the south appear Mudstone much spare capacity. Without knowing what areas in the south east are within FZ 2 to be associated with ordinary type of development is planned, where and and 3 of an un-named brook. watercourses how many, it isn't possible to fully assess this site. Bearley is a very small catchment and there Some areas of surface water Claverdon 5 Bearley LSV STW Bearley are no known operational or capacity issues flooding identified along roads and FZ 1 Mudstone Brook within the catchment. fields in the centre of the LSV. The majority of the MRC is in FZ 1, Subject to hydraulic modelling and provided Some areas of surface water however there is an area to the south in Bidford on surface water is dealt with sustainably, the foul flooding identified in the south of the FZ 2 and FZ 3 of the River Avon and an Small Brook, 6 Bidford on Avon MRC STW Mudstone Avon only flows from these developments are not MRC. Appears to be associated area to the west within FZ 2 and FZ 3 of River Avon expected to cause any adverse impact. with ordinary watercourses. Small Brook. There is a history of flooding in these areas. WCS UPDATE March 2014 68 Stratford-on-Avon District Council — Water Cycle Study Update TABLE 5-2: SETTLEMENT AREA ASSESSMENT Site Information Wastewater Treatment Wastewater Network Analysis Surface Water Management and Flood Risk Potential receiving Water ID Settlement Area WwTW Foul Sewerage Network Capacity Surface Water Flood Risk Fluvial Flood Risk watercourse Geology SuDS Constraints Company for surface water Some areas of surface water There are no sewers shown on Severn Trent's flooding identified. Appears to be 7 Billesley Rural N/A N/A FZ 1 Mudstone records in this village. associated with ordinary watercourses. There is an isolated minor flooding incident in The majority of the LSV is within FZ1 - Some areas of surface water the sub-catchment. However, it is not although a small area to the east of 8 Bishops Itchington LSV STW Itchen Bank flooding identified in the centre of River Itchen Mudstone considered that development would affect the Bishops Itchington is in FZ 2 and 3 of the LSV. risk of flooding at this location. the River Itchen. Brailes (Upper) LSV There are known capacity issues in the Upper Brailes is located within FZ1. Some areas of surface water downstream reaches of the Cherington The majority of Lower Brailes is located flooding identified. Appears to be 9 STW Cherington catchment. Dependent on the scale of within FZ1, although a small area Sutton Brook Mudstone associated with ordinary Brailes (Lower) LSV proposed development, capacity through the centre of the LSV is within watercourses. improvements may be required. FZ 2 and 3 of the Sutton Brook. This is a very small diameter system draining to Northend STW. However, due to the very Area of surface water flooding 10 Burton Dasset Rural STW Northend small number of proposed development, the identified in the south west of the FZ 1 Mudstone impact from the additional foul only flows is not village. expected to be great. The majority of the network drains east by gravity. The Western part of the catchment is Some areas of surface water served by Henley Road PS which pumps flows flooding identified in the centre of to the central part of Claverdon. There are the LSV from the south-west to Claverdon 11 Claverdon LSV STW Claverdon some records of minor flooding in the west of FZ 1 Mudstone north-east. Appears to be Brook the catchment. Dependent on the location and associated with ordinary scale of development, hydraulic modelling may watercourse. be required to quantify the impact of development. Flows from Clifford Chambers are pumped directly to the Milcote STW. There are known The majority of the LSV is within FZ1. capacity issues upstream of the Clifford An area is within FZ 2 and 3 of the Stratford – Area of surface water flooding 12 Clifford Chambers LSV STW Chambers PS. Development in the settlement River Stour which flows from the south- Middle Avon Mudstone Milcote identified in the centre of the LSV. may adversely impact upon the existing east to the north-west of the LSV. capacity issues and hydraulic modelling should There is a history of flooding. be undertaken to quantify the impacts. WCS UPDATE March 2014 69 Stratford-on-Avon District Council — Water Cycle Study Update TABLE 5-2: SETTLEMENT AREA ASSESSMENT Site Information Wastewater Treatment Wastewater Network Analysis Surface Water Management and Flood Risk Potential receiving Water ID Settlement Area WwTW Foul Sewerage Network Capacity Surface Water Flood Risk Fluvial Flood Risk watercourse Geology SuDS Constraints Company for surface water The northern part of the village is predominantly served by a gravity system with two small pumping stations: Cloweswood Lane PS and Valley Road PS. Foul / combined flow The area to the east and south-west of discharges south to the Malthouse Lane PS Space for surface the LSV (towards Terry's Green) is Earlswood – which subsequently pumps flow directly to the Areas of surface water flooding attenuation SuDS may be 13 Earlswood LSV STW within FZ 1, although the area around River Blyth Mudstone Spring Brook works. The southern part of the area is drained identified in the centre of the LSV. limited within the area the River Blyth and Earlswood Lakes is towards the north by gravity to Wood End PS identified in FZ 2 and 3. within FZ 2 and 3. which also discharges directly to the works. There are 6 PS’ within the catchment, which are deemed to operate satisfactorily. There are no known capacity issues in the catchment. There is one PS in the catchment: Ettington - Some areas of surface water Spring Close. There is one unsewered area in flooding identified in the north-east Ettington 14 Ettington LSV STW the south of the catchment at Ettington Park. of the LSV. Appears to be FZ 1 Mudstone Works There are no known capacity or operational associated with ordinary issues within the catchment. watercourse. There are known capacity issues within the foul sewer located on Bridge Street. Some areas of surface water Development in the west and north may affect Fenny flooding identified in centre of the 15 Fenny Compton LSV STW flood risk in this area. Dependent upon the FZ 1 Mudstone Compton LSV. Appears to be associated with location and scale of development, hydraulic ordinary watercourse.