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In addition, 149 choked drains were cleared as follows:-
By private contractors after verbal notice to owners or occupiers 79
By private contractors after service of notices under Section 96,
Hendon Urban District Council Act, 1929 on owners or occupiers 14
By the Council in default of compliance with notices served as above,
the cost being later recovered from the persons on whom the 56
notices were served.
SEWERAGE AND SEWAGE DISPOSAL
The Ministry of Health have requested that the Annual Report for the year 1963 should include a
section dealing with the sewerage and sewage disposal arrangements for the Borough. W ith the assistance
of information supplied by the Borough Engineer and Surveyor I accordingly have to report as follows
Soil Drainage
The major part of the Borough is sewered by gravity sewers of adequate capacity with the exception
of the Hendon Way soil sewer which carries surface water drainage from old development in the Childs
Hill area. Redevelopment of these parts is. however, now in progress and separate surface water drainage
is being provided for this. This will ameliorate to a great extent the surcharging of the Hendon Way sewer.
The main trunk soil sewers discharge into the West Middlesex Trunk sewer with its outfall
at Mogden, Middlesex.
Parts of Mill Hill, Elstree and Barnet Gate do, however, remain unsewered, 147 properties being
served by cesspools or small septic tank sewage disposal installations.
Work proceeded during the year on the new soil sewer to serve the Burton Hole Lane, N.W.7. area.
This will permit the number of cesspools to be reduced by 32 and should considerably reduce the pollution
of the Folly Brook which occurs from time to time.
Discussions also took place with officials of Barnet Urban District Council regarding the possibility
of extending the sewer recently constructed by that Council with a view to connecting up properties in
the Hendon Wood Lane and Barnet Gate areas at present served by cesspools or septic tank installations.
During the year 321 requests for the emptying of cesspools or septic tanks were complied with, the
work, in most instances, being carried out at the expense of the Council.
Surface Water Drainage.
The surface water drainage of the Borough is carried by public surface water sewers and open watercourses
into the River Brent and the Dollis Brook which discharge into the Brent Reservoir.
In 1956, a comprehensive report was submitted by the Borough Engineer & Surveyor to the Council
on schemes which were considered necessary to deal with flood relief, and by the end of 1963 the following
schemes had been completed or were in course of construction—
Un-named stream from Edgwarebury to confluence with Deans Brook—
Culverting watercourse Edgware Way to Ranelagh Drive
Relief sewer Hale Lane to Penshurst Gardens
Relief sewer Purcells Avenue to Edgwarebury Lane
Uphill Road Area, N. W. 7.—
Relief sewer in Uphill Road to Edgware Way
Un-named stream from Uphill Grove to confluence with Silk Stream—
Mill Hill Broadway across Bunns Lane to Langley Park to railway line (Edgware-Mill Hill East)
Flower Lane relief sewer from Watford Way
Copthall Estate, N.W. 7.—
Relief sewer Bunns Lane under railway rear of Nos. 51 and 53, Bunns Lane.
Mill Hill East, N.W.7.—
Surface water sewers from bridge in Bittacy Hill to Holders Hill Circus thence along Dollis Road
to discharge into Dollis Brook.
Woodside Park Area, N.12.—
Relief sewer in Chanctonbury Way.
Mutton Brook, N.W.11.—
Relief sewer in Chatham Close, Erskine Hill and Addison Way
Basing Hill, N.W.11.—
Relief sewer in Basing Hill and Wayside
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