Appendix E – Summary of flood risk in borough

The table below summarises the areas where there are notable flood risks within the borough.

Area Fluvial flood risk Existing defences Surface water flood risk Susceptibility to Groundwater Reservoir inundation Historic, recorded flood events flood risk risks <25% >=25% >=50% >=75 <50% <75% % The South- The Mackworth Brook originates north of Duffield benefitting A higher-risk surface water flow path in the 30 ✓ ✓ ✓ ✓ Park Lake 1 Of the Recorded Flood Outlines data West Kirk Langley, flowing south-east past from wall defences and 100-year events flows south-east into the & 2 are located south from Amber Valley Borough Council: (Duffield. Mackworth. Flood Zone 2 is generally along the River borough on the western boundary, following east of Kedleston. 1 historic flood outlines within this area: Windley, restricted to a narrow floodplain, not Ecclesbourne, high the topographic route of the River Inundation flow path • 01/01/1997 – Brook and Idridgehay, affecting property/infrastructure until the number of properties Ecclesbourne. A higher risk accumulation zone flows south-east out of Mackworth Brook, area of confluence Kedleston, area of its confluence with the Markeaton benefitting up and is present west of Shottle train station. The the borough, affecting flooded on southern borough Kirk Brook where properties in Gravelpit Wood downstream of the A517 and the B5023 north of Windley are parts of Allestree in boundary. Langley are at risk from Flood Zone 2 only. A6, including affected by this flow path. Between here and close proximity to the and Tamworth Street, Duffield, the 30-year risk is confined to the Cutler Brook. Of the Recorded Amber Valley Historic Mackworth The Mercaston Brook originates on the Town Street and topography of the river channel and the 1,000- flooding data from the LLFA: ) south-west borough boundary, west of properties north of year risk spreads wider into the rural 4 historic flooding points within this area: Mercaston. It flows south-east following the Ecclesbourne Avenue floodplain. Larger areas of surface water • 15/01/2007 – Bottle Brook flooded boundary before flowing towards Kedleston (EA AIMS dataset). ponding and overland flow paths are within the part of Denby Lane/ Lane, where it becomes the Cutler Brook. This flows town around Road and . south-east to become the Markeaton Brook Ecclesbourne Avenue. A significant flow path • 01/08/2012 – Broadway, Duffield which eventually flows out of the borough at forms around Cumberhills Road to the south- flooded by surface water. Affecting Allestree where it converges with the west, flows over the B5023 Broadway, across ground floor of house/ flat. Mackworth Brook. Flood Zone 2 is generally residential streets such as Curzon Lane, New • 17/07/2012 – Derby Road, Duffield. confined to a narrow floodplain, only Zealand Lane, Wirksworth Road, Ecclesbourne Surface water flooding. 25 back affecting a number of rural roads which it Close, the A6 then east to Duffield Meadows. gardens flooded from flooding from flows beneath. Of particular note are In Duffield, the 1,000-year event affects fields. properties on Somme Road, Allestree which considerably more properties than the 30-year • 25/03/2013 – Broadway, Duffield. are at risk from the Markeaton Brook’s Flood event; however, many of the streets listed Flooding from ordinary watercourse. Zone 2. Where the Markeaton Brook above are affected in the 30-year event. Silting of new housing developments converges with the Mackworth Brook, Surface water risk along the Cutler Brook, drainage pond. Fears that it could properties in Gravelpit Wood are at risk as Markeaton and Mackworth Brooks largely overtop during a storm. above. follows the rural watercourse alignments and floodplain and only affects properties when Of the S19 Reports held by the The River Ecclesbourne flows south into reaching the outskirts of Derby. County Council (LLFA): the borough on the western boundary, it then One event involving widespread flooding flows south-east past Idridgehay and Shottle in November 2019: before flowing into Duffield from the west. In • 15/11/2019 – The S19 does not the upstream areas of the river, Flood Zone report of any flooding in Duffield but 2 is generally confined to a narrow floodplain, graph of river levels shows that at affecting mainly the rural roads which it Duffield river flow was approximately passes beneath. However, properties within 80m3s-1 (Cumecs). close proximity to the river are at risk. Alton Mill Farm (north of Idridgehay) is at risk from inundation in both Flood Zone 2 and 3. Moving downstream, at Shottle, the A517 is at risk from Flood Zones 2 and 3, along with over 2km of railway line from Shottle towards Duffield due to its close proximity to the River Ecclesbourne. At Windley, the B5023 is at risk from Flood Zones 2 and 3, along with a number of properties in the east of the village which are at risk from an unnamed watercourse which flows east into the River Ecclesbourne. As the Ecclesbourne flows into Duffield, the floodplain widens, resulting in a large area within the settlement being at risk. On the edge of the settlement, properties on Ecclesbourne Meadows are at risk from Flood

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Zone 2. The central areas of Duffield are at highest risk due to proximity to the river, such as the area around Park Road, Old Hall Lane and the adjacent education facilities. Tamworth Street, Duck Island and Snake Lane area is also at risk. Areas along the A6, Ecclesbourne Avenue, Ecclesbourne Close, Lodge Close and Makeney Road also fall into Flood Zone 2 risk areas. Of particular note are properties which are in closer proximity to the river, as these also fall into Flood Zone 3 as well as 2, such as Tamworth Street area, Ecclesbourne Avenue and Church Walk. Church is at additional risk due to it being on the River Derwent's floodplain. The River The River Derwent enters the borough A higher risk flow path originates north-east of ✓ ✓ ✓ ✓ Howden Reservoir is Of the Recorded Flood Outlines data Derwent, flowing south-east along part of the north- Whitemoor flowing south-west, following the located within the High from Amber Valley Borough Council: the west & western borough border just west of course of the Coppice Brook. In the east of Peak area. Its inundation 1 historic flood outlines within this area: Holloway. It flows south through the borough Belper, a flow path sees significant flow path flows south (Belper, past , Belper and Duffield before accumulation in all 3 surface water events following the course of Of the Recorded Amber Valley Historic Scotches, flowing out of the borough on the southern around Nottingham Road, Short Street, the River Derwent, flooding data from the LLFA: Whatstandw boundary, south of Duffield. Spencer Street and Alton Road affecting a entering the borough 3 historic flooding points within this area: ell, Where the River Derwent flows into the number of properties and access roads. south-west of Holloway. • 31/08/1997 – sewer flooding on: borough, the Lea Brook flows into the Accumulation/ ponding is also seen in the west The inundation flow path Hillside Rise and Holbrook Road. Toadmoor, Derwent; this Brook’s’ Flood Zones 2 and 3 of Belper around Days Lane and Queens follows the course of the • 23/01/2012 – Lowlands Road, Belper affect some properties west of Holloway and Street, seeing a number of properties affected. Derwent, affecting flooded by partially blocked and Milford) affect Lea Road. Elsewhere around the Derwent corridor, the properties along the watercourse by blockage in upstream From the point of entry into the borough up surface water flood extents primarily follow the course of the River pipe. Affecting garden. to Whatstandwell, the River Derwent’s Flood topography of the Derwent floodplain and Derwent, with a high • 04/12/2012 – Farland site between Zone 2 extends onto the A6 at multiple affect mostly rural land areas adjacent to the number of properties Lane and Broadholme Lane, points. New housing developments on river due to the steep valley topography, with affected past Belper. Surface water flooding. Lathkill Lane, Alsop Lane and Lea Lane are at fewer areas of ponding away from the channel. Ambergate, Belper and • 09/04/2013 – Land drain from school risk from Flood Zones 2 and 3. Duffield. behind house is draining into a Just north of Ambergate, business properties garden, causing flooding. are at risk from Flood Zones 2 and 3; here, Ladybower Reservoir the Peatpits Brook also flows into the is located within the Of the S19 Reports held by the Derwent which increases Flood Zone area. High Peak area. Its Derbyshire County Council (LLFA): At Ambergate, the Derwent’s Flood Zones 2 inundation flow path One event involving widespread flooding and 3 affect a number of properties around flows south following the in November 2019: Holly Lane. The Flood Zone extents are also course of the River • 07/11/2019 – ‘One months’ worth of increased by the confluence with the River Derwent, entering the rainfall’ fell in the upper Derwent Amber (described in more detail in ‘The borough south-west of catchment. Belper Town Football Club North’ area). Holloway. The and Babington Hospital pictured as Where the River Derwent passes Toadmoor, inundation flow path flooded in the report. Flood Zones 2 and 3 affect the A6 and 2 follows the course of the railway lines where they cross the river. Derwent, affecting South of Toadmoor, the River Derwent’s properties along the floodplain widens significantly, affecting a floodplain of the rural property on Wyver Lane (Lawn Derwent with a high Cottage). number of properties Just north of Belper, at Scotches, the past Ambergate, Belper floodplain narrows. Here, a number of and Duffield affected. properties are at risk from Flood Zone 2 on Derwent View, Back Wyver Lane and Wyver Lane. In the Bridge Foot area, Flood Zones 2 and 3 both put a number of business properties at risk. As the River Derwent passes Belper, properties are mostly set out of the floodplain; however, there are properties

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west of the A6 which are at risk on the western edge of Belper including: a sports ground, properties on Meadow Court, Derwent Street area, a Hospital, Goods Road, Goods Yard and a water treatments work off Chevin Road. Flood Zone 2 extends around a few properties near Chevin Side, off Chevin Road. Through Milford, Flood Zone 3 is fairly confined to the immediate floodplain next to the channel whereas Flood Zone 2 covers the full floodplain width between the A6 and Chevin Road. Properties on Fullers Close, Millers Way and Little Fallows are at high risk from Flood Zone 2, though Flood Zone 3 only poses risk here to a business property at the corner of Millers Way and Little Fallows. Chevin Road is also affected by Flood Zone 2. Properties around Milford bridge are at risk from Flood Zone 2. East of Duffield, the floodplain widens but properties are mostly set out of the flood risk zones to the west of the railway line, apart from Duffield Cricket club falling into FZs 2 and 3. At Flaxholme, a high number of properties along the A6, Hayley Croft and Bullpit Lane are at risk from Flood Zone 2, with a few additional properties affected by Flood Zone 3. South-west of Duffield Bank, properties in close proximity to the River Derwent are at risk from both Flood Zones 2 and 3.

The Coppice Brook originates north-east of Belper, flowing south-west past White Moor before flowing south-west through the southern side of Belper. In its upper rural catchment, Flood Zone 2 and 3 both extend on to Over Lane. As the Coppice Brook passes White Moor, Flood Zones 2 and 3 impact several properties along Whitemoor Lane, as well as the lane itself. Properties on the southern end of Alton Road are also affected by both Flood Zones (Flood Zone 2 a significantly greater number of properties here). Towards Belper, Flood Zone 2 and 3 affect properties along Bullsmoor, Rothwell Lane and Park Side. As the Coppice Brook flows west, south of the centre of Belper, Flood Zones 2 and 3 both extend onto Queen Street, Brook Side and Days Lane where a number of properties are affected. An area of ponding is seen between New Road (A609) and Brook Close, where Flood Zones 2 and 3 both affect properties with Flood Zone 2 affecting a higher number of properties towards the A6. The East The flows south along the Denby Bottles and A number of surface water flow paths converge ✓ ✓ Codnor Park reservoir Of the Recorded Flood Outlines data and South- eastern borough boundary, from 1km north Raswson Green at Rawston Green where there are several is located west of from Amber Valley Borough Council:

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East of Pye Bridge to approximately 2km south- benefitting from accumulation zones in the 30 and 100-year Ironville at a similar Two historic flood outlines within this (Langley east of . embankment along a events. Business properties off the B6179, the elevation. Inundation area: Mill, As the Erewash passes Pye Bridge, a number tributary of the Bottle B6179 itself and properties off Prospect Road presents a risk to • 01/01/1997 – Bottle Brook, from , of properties in the east of the village are at Brook (EA AIMS are affected by both surface water flow path Ironville. Denby Bottles to where brook leaves Horsley, risk on the B600 and Erewash Street from dataset). return periods. At the southern end of Lower borough. Denby predominantly Flood Zone 2, but properties Kilburn, an accumulation zone is present Loscoe Reservoir is • 01/01/1997 – River Erewash, along Bottles, on the south end of Erewash Street are at Rawson Green affecting a number of properties and the located east of Loscoe. length of where Erewash follows Ripley, risk from Flood Zone 3. benefitting from wall B6179 again. At Coxbench, two significant Inundation risk to borough boundary. Coxbench, When the River Erewash passes Ironville, defences and accumulation zones are seen, one east of the business properties • 25/06/2007 – River Erewash flooding Ironville) properties on Nottingham Lane and Meadow embankment along A38 affecting Coxbench Road and the other along the A6007 south just outside borough boundary at Street are affected by Flood Zone 2. Towards the Bottle Brook (EA west of the A38 affecting the B6179. of Loscoe and business . the centre of the village, properties on AIMS dataset). properties on Amber Of the Recorded Amber Valley Historic Deepdale, Adelaide Walk and Waterside are In Langley Mill and Heanor, risk is generally Drive south of Langley flooding data from the LLFA: affected by both Flood Zones 2 and 3, which Langley Mill low, but the surface water flow paths follow Mill. 10 historic flooding points within this area: may be a result of the Codnor Park Reservoir benefitting from many residential roads, with areas of localised • 25/06/2007 – Bottle Brook “bursting in the west of the village which the embankments along ponding notable in all events. Due to the Shipley Lake is located its banks” on B6179, Coxbench. Canal passes through. Properties are also at the River Erewash accumulation of flow paths from residential south-west of Shipley at Affecting footway/pavement. risk in the west of Jacksdale which is outside where it passes areas, higher risk flows paths are seen flowing a slightly lower • 01/04/2012 – Butterley Park Farm, of the Amber Valley Borough boundary. through the east of through Heanor Gate industrial park, Bailey elevation. Inundation Codnor. Flooded by watercourse with When the River Erewash passes Langley Mill, the settlement (EA Brook industrial Park and business properties flow path flows south of blocked culvert on adjoining land. there are a high number of properties in the AIMS dataset). west of the A610. Due to the flat, lowland the borough, affecting • 14/11/2012 - Rawson Green, Kilburn. east of the settlement which are at risk from topography where these industrial parks are parts of Kirk Hallam. Back garden flooded from land drain. both Flood Zones 2 and 3. These include Embankments and located, the 1000-year event sees a Ordinary watercourse. properties on: Minkley Drive, Lovatt Drive, wall defences on the significantly greater area of risk. Butterley Reservoir is • 22/11/2012 – Lowes Hill, Ripley. the southern end of Cromford Road, Dean River Erewash located north of Ripley, Surface water flooding, Lowes Hill Street, Bridge Street, Chrysalis Way, Derby protecting Ironville lower elevation than Carriageway blocked. Possible blocked Road and business properties in the where the river Ripley. Inundation flow culvert. Enterprise Way area. passes beneath the path affecting A38 • 26/11/2012 – Waingroves Road, South of Langley Mill, where the Erewash B6016 (EA AIMS highway, Lower Ripley. Flooding affecting rear of flows out of the borough, a number of dataset). Hartshay, Bullbridge and gardens. Ordinary watercourse properties affected by both Flood Zones 2 Ambergate. flooding. and 3 on Shipley Gate and Newmanleys Road • 20/12/2012 – Hassock Lane South, (south). Mapperley Reservoir is Shipley. Surface water flooding from located north of fields. The Hartshay Brook originates north of Mapperley. Inundation • 06/02/2013 – Osbornes Pond, Shipley. Hammersmith, flowing west. area flows south-east Ordinary watercourse flooding. Flood Zones 2 and 3, originating from a out of the borough, • 18/03/2013 – Bottom of Cockshutt dammed waterbody at the upper course of affecting A609 and Lane, Somercotes. Surface water the brook, affect properties near the northern areas of Kirk flooding to agricultural lane. Hammersmith railway station. Hallam. • 19/07/2013 – Main Road, Smalley. Run off from road causing flooding. The Bailey Brook originates in the north- Osborne’s Pond is Source is sewers, gullies blocked at west of Heanor, flowing south-east past the located south of Heanor. the time. Affected ground floor of settlement and between Heanor and Langley Inundation flow path house/flat. Garage/outbuilding. Mill, joining the Erewash’s left bank just flows south-east out of Number of houses have been affected south of Langley Mill. the borough, affecting by surface water flooding from road. Where the Brook passes between the two properties in Woodside • 19/07/2013 – Porterhouse Road, above settlements, Flood Zone 3 is largely Farm. Ripley. Surface water flooding. confined to the channel, but Flood Zone 2 Highway surface water flooding, affects a number of business properties in the Moorgreen Reservoir drainage system could not cope with area of Station Road, Amber Drive and is located just outside of the heavy storm. Affecting ground Aldreds Lane where the extent is quite wide. the borough boundary, floor of residential property. Property Residential properties on Milnhay Road are at north-east of Langley is at the bottom of a slope. risk from Flood Zones 2 and 3. Mill. Inundation flow path flows east affecting a large area of the east and south-east of Langley Mill. The North The Brook flows west along the Where the Coppice Surface water risk largely follows the courses ✓ ✓ ✓ Amber Gate 1 is Of the Recorded Flood Outlines data and the northern borough boundary, from north of Brook flows into the of the rivers and their floodplains. Risk located on the high from Amber Valley Borough Council: central Alfreton until flowing into the as River Derwent, appears high in all events, but extents are ground above

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area north it enters the borough. Generally, the Brook’s embankment largely confined to the floodplain and rural Ambergate. Inundation Two historic flood outlines within this of Belper Flood Zones are confined to a narrow defences are areas. risk to Ambergate. area: (Up to the floodplain; however, before the Brook flows benefiting a hospital Several high risk surface water flow paths from • 01/01/1997 –Downmeadow Brook, Derwent in beneath the B6013, a number of properties (EA AIMS dataset). watercourses or hillside topography converge Ogston reservoir is from Heage to Ridgeway. west, A38 are at risk from Flood Zone 2 (though these at the point where the River Amber enters the located outside of the • 01/01/1997 – River Amber – Between in east and are just outside the Amber Valley Borough borough to form a high-risk surface water flow borough boundary, Bullbridge and Ambergate. including boundary). path in all three surface water events. At the approximately 3.5km Of the Recorded Amber Valley Historic the Heage The River Amber flows south into the point of convergence, the A615 is affected. north of where the River flooding data from the LLFA: area in borough through the northern borough Further south between Oakerthorpe and South Amber enters the 8 historic flooding points within this area: centre of boundary, just north of Oakerthorpe. It flows Wingfield, a few properties are affected but the borough. The inundation • 01/06/2007 – Oakerthorpe Brook borough) south past Oakerthorpe, then turns south- extents are wide, like the Flood Zones. West of pathway affects rural flooding part of B6013 at Oakerthorpe. (South west following the A610 before flowing into Coalburn Hill, several rural properties are at areas within the borough • 25/06/2007 – A6 Junction with A610, Wingfield, the River Derwent at Ambergate. risk on Park Lane. The surface water extent along the River Amber’s Ambergate. River Derwent and River Alfreton, In the north, generally the Amber’s Flood then accumulates considerably on the River floodplain. Amber “Bursting their banks”. Oakerthorp Zones do not affect properties due to them Amber’s wide floodplain east of Bullbridge, • 25/06/2007 – River Amber flooding at e, being situated out of the floodplain. However, north of the A610, before flowing into the River Press No. 3 (Upper): is Ridgeway, affecting ground floor of Ambergate where the river flows between Oakerthorpe Amber. located approximately house/flat. ) and , a few properties are A surface water flow path in both the 30 and 10km north of its • 25/06/2007 – River Amber “bursting affected along Holm Lane (B5055) by Flood 100-year events flows west, just south of inundation pathway’s its banks” on Holm Lane, South Zones 2 and 3. The flood extents at this point Lower Hartshay. This creates a high-risk point of entry into the Wingfield. Affecting Footway, road, are larger, and the Oakerthorpe Brook accumulation zone at the point where it flows northern borough garden/driveway. Surrounding fields flows west into the Amber. The Flood Zones beneath the A610 due to the road boundary. The often flood in periods of heavy rain. 2 and 3 along this Brook affect properties of embankment forming an impoundment, inundation pathway • 26/11/2012 – Bridle Lane, Lower a dead-end road off Holm Lane, south-west affecting access and egress into Pear Tree enters the borough north Hartshay. Surface water flooding of Oakerthorpe. Farm. of South Wingfield, running down lane and posing risk to Further south, properties on Park Lane and In Alfreton, risk is generally low, but the flowing south following houses. Jacksons Lane area are at risk from the River surface water flow paths follow all the the route of the River • 20/12/2012 – Bullhill Lane, Ireton Amber’s Flood Zones 2 and 3. Here, the residential roads and Cotes Park industrial Amber until Buckland Wood, Belper. Sherbourne Brook railway line is also shown to be at risk. estate with localised areas of ponding in all Hollow. flooded. Surfacewater cause. North-west of Pentrichlane-end, a number of events. Rainwater running down the side of a properties are at risk from both Flood Zones This is the same in Ripley, with lots of smaller house from a dyke in the adjacent 2 and 3. Zones here are larger due to the confined flow paths navigating along field. Buckland Hollow Brook flowing north-west residential roads in different directions to meet • 10/05/2013 – Holm Lane, South into the Amber. local watercourses. Some properties are Wingfield. Surface water flooding. Where the Amber flows through Bullbridge, affected in both areas where flow paths cross Affecting cemetery. Comment also Flood Zones are generally confined to a the roads and pass through gardens. says is from River Amber and is an narrow floodplain, with encroachment of In Heage, the surface water mapping gives a ongoing issue. flood risk only onto the Ripley Road and a good indication of risk from the channel which • 29/11/2013 – Bowling Alley, Heage. property at risk on Bullbridge Hill. is not represented in the Flood Zones. The Surface water. Source is suggested to Downstream towards Ridgeway, properties extents flow through the centre in a westerly be from natural ground water spring on the A610 Riversdale and New Road area direction, affecting many gardens and edges of causing the flooding. are at risk from Flood Zone 2 and 3. properties. Of the S19 Reports held by the The Downmeadow Brook also flows north- Derbyshire County Council (LLFA): west into the Amber here, posing a low risk One event involving widespread flooding to properties along the northern side of in November 2019: Ridgeway Lane. However, the Flood Zone • 07/11/2019 – Ambergate flooded. here is misaligned with the channel due to • 07/11/2019 – All Saints church, South generalised modelling, so this risk may be Wingfield pictured as flooded. refined through a detailed hydraulic model. Further upstream on this Brook, flood risk in Heage is not represented on the EA’s Flood Zones as the catchment is <3km2; however, there is a watercourse flowing from east to west through Heage, before flowing north to meet the Amber. There are culverted sections which may pose a risk to blockage and overland flows. In Ambergate, Flood Zones widen seeing more properties within risk zones. A number of industrial properties in the north-west of Ambergate are at risk from Flood Zones 2

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and 3. In the floodplain of the confluence between the River Amber and the River Derwent, there are a number of properties at risk along Matlock Road from Flood Zone 2, with a handful falling into Flood Zone 3 at the junction between the A610 and the A6.

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