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Buildings Water-works, whose former districtsare now supplied by the New River Company,they have found it advisable to erect an engineat Broken Wharf , Thames-street , by which theyare enabled occasionally to supply parts of theirdistrict with Thames water, when from longcontinued droughts, severe frosts, or other acci-dental causes, the flow of the New River is im-peded. It appears, however, that the quantityof Thames water thus supplied bears a verytrifling proportion to the other source, the engineat Broken Wharf having been worked for 76hours only, in January and February of lastyear, and for 100 hours during the drought ofJuly and August. The number of tenants sup-plied by the New River Company is between66,000 and 67,000, and the quantity of waterwhich is daily supplied exceeds 13 , 000,000 ofgallons, being about 2,000,000 of cubic feet.

“ The East London Water-works are situ-ated at Old Ford, on the River Lea; but as thetide of the Thames flows up that river to theextent of a mile beyond the works, and as theirsupplies are taken during the ascending tide, thedescription of water thus furnished will closelyapproximate to that of the Thames . This Com-pany has four reservoirs ; the number of tenantssupplied amounts to about 42 , 000 , and the dailyconsumption of water to nearly 6,000,000 ofgallons, or about 950,000 cubic feet.