146:
the west of the present course, to meet the
Waterworks River below the mill. The discharge from the mill was into a large pool, which also formed a part of the Waterworks River. By the late 1920s, most of the Bow Back Rivers including the City Mill River were in serious decay, and the Lee Conservancy Board, jointly with West Ham Corporation, obtained a government grant as part of an unemployment relief scheme to carry out a number of improvements to the rivers. The work was authorised by the River Lee (Flood Relief) Act of 1930, and work began in 1931, taking four years to complete.
187:. Two pairs of gates pointing to the west, allowing the lock to be used when the level of the water in the Waterworks River was lower than that in the City Mill River, and a third pair pointing to the east, which prevented high tide levels in the Waterworks River forcing the gates open, and the City Mill River draining as the tide fell. The lock was 20 feet (6.1 m) wide, and could handle boats up to 87 feet (27 m) long. The original gates lasted for almost seventy years, but by 2000 were deemed to be unsafe, and were replaced by stop planks.
31:
150:
away from Bow Road and
Stratford High Street. The Waterworks River, to the east of the mill basin, was widened and routed further to the west, and a connecting lock was built between the new course of the City Mill River and the new course of the Waterworks River. The river ceased to be tidal, as City Mills Lock isolated the southern end from the tidal Waterworks River, and Carpenter's Lock isolated the northern end, allowing the river to be maintained at the same level as
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137:, England. It formerly fed City Mill, used for the production of chemicals in the late nineteenth and early twentieth centuries. In the 1930s, the mill was removed and the river was isolated from the tides by the construction of locks at both ends. City Mill Lock, at the southern end, has been refurbished and reopened in 2010.
145:
City Mill River leaves the old channel of the River Lea at its northern end, and flows in a south-easterly direction, originally to City Mill. Town plans from 1895 and 1923 both indicate that it was used for the production of chemicals. The mill straddled the channel, and a bypass stream flowed to
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The course of the river was largely unchanged by the improvements, except at the southern end, where the mill was demolished, and the channel was routed through the mill site. Part of the mill basin was filled in, and the river joined Bow Back River, which was moved slightly further to the north,
198:
by
Mandall Engineering, were installed at a cost of £200,000, and a further £100,000 was spent on general improvements to the area and the access paths to the lock. This left the lock in good condition, but not operational, since the gates did not have balance beams, and the hydraulic operating
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City Mill Lock, which connects Bow Back River and the bottom of the City Mill River to the
Waterworks River, was built as part of the 1930s improvement programme. Unlike Carpenter's Lock, which was built at the same time and was fitted with vertical radial gates, City Mill Lock was built with
216:, which were treated with herbicides to remove them. Water pennywort is a non-native invasive species, which quickly forms a dense mat of vegetation on the surface of slow-moving water, preventing the growth of other species and the movement of animals and boats.
203:. Another £200,000 wes spent on the hydraulic rams, sluices, and the associated controls, and on lock ladders and landing stages to enable the lock to be used safely by boaters. The work was completed in 2010, and the lock was formally opened on 31 July.
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mechanism was not included in the work. Funding for the provision of the equipment came from the development of the area for the
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required from the developers of the adjacent
Bellamy Homes housing scheme. Three sets of new steel gates, manufactured in
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City Mill Lock, showing both the infestation of water pennywort, and the pair of bi-directional tidal gates on the lock.
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346:. WhatDoTheyKnow.com (response to Freedom of Information request to British Waterways). 30 March 2010.
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The work involved dealing with large amounts of plant growth, particularly water pennywort,
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382:. Non-native Species Secretariat. August 2011. Archived from
252:. History of the Lee and Stort Navigation. Richard Thomas.
330:"Re-opened lock connects Olympic Park with canal network"
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In 2005, the lock was partially restored as part of the
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344:"Pesticides used to deal with floating pennywort"
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753:(These rivers form the waterways within the
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35:Walkers next to the City Mill River in 2007
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291:Ordnance Survey, 1:2500 map, 1916 and 1948
270:Ordnance Survey, 1:1056 map, 1895 and 1923
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782:Geography of the London Borough of Newham
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227:Boyes, John; Russell, Ronald (1977).
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165:Panoramic view of City Mill River
663:Hertford Union Middle Lock No. 2
658:Hertford Union Bottom Lock No. 3
432:Locks and weirs on the River Lea
318:. Waterscape. 21 December 2005.
316:"New gates for city mill lock"
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668:Hertford Union Top Lock No. 1
229:The Canals of Eastern England
16:Canal in east London, England
792:Locks of the Lee Navigation
749:Three Mills Wall River Weir
332:. Waterscape. 29 July 2010.
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634:Middlesex Filter Beds Weir
358:"Invasive Species Policy"
209:Hydrocotyle ranunculoides
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280:Boyes & Russell 1977
246:Thomas, Richard (2010).
111:Canal & River Trust
686:(branch, at Bow Locks)
360:. Anglo Aquarium Plant
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63:51.533323°N 0.009146°W
738:Carpenter's Road Lock
563:Pond Lane Flood Gates
231:. David and Charles.
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742:Marshgate Lane Lock
644:Hertford Union Canal
594:Hertford Castle Weir
380:"Floating Pennywort"
68:51.533323; -0.009146
698:Britannia Stop Lock
523:Waltham Common Lock
59: /
212:, a member of the
201:2012 Olympic Games
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107:Maintained by
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757:- they flow into
755:2012 Olympic Park
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693:Bromley Stop Lock
543:Ponder's End Lock
533:Rammey Marsh Lock
528:Waltham Town Lock
498:Feildes Weir Lock
238:978-0-7153-7415-3
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728:Three Mills Lock
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553:Stonebridge Lock
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568:Old Ford Lock
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629:Newmans Weir
609:Feildes Weir
599:Hartham Weir
538:Enfield Lock
447:Bedfordshire
388:. Retrieved
384:the original
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362:. Retrieved
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282:, p. 36
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220:Bibliography
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649:Hackney Cut
390:27 February
364:27 February
304:Thomas 2010
185:mitre gates
66: /
776:Categories
624:Kings Weir
614:Dobbs Weir
259:References
51:51°32′00″N
759:Bow Creek
744:(defunct)
604:Ware Weir
573:Bow Locks
483:Ware Lock
434:, England
196:Sheffield
156:Bow Locks
120:hydraulic
117:Operation
87:River Lee
54:0°00′33″W
440:Counties
214:apiaceae
79:Waterway
141:History
235:
135:London
97:Newham
93:County
582:Weirs
471:Locks
457:Essex
392:2012
366:2012
233:ISBN
133:in
778::
296:^
99:,
761:)
721:)
651:)
424:e
417:t
410:v
394:.
368:.
241:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
