400xx11 GENERAL BOARD OF HEALTH. REPORT ON THE SUPPLY OF WATER FO THE METROPOLIS. APPENDIX No. I. RETURNS TO THE QUERIES ADDRESSED TO THE Presented to both Houses of Parliament by Command of Her Majesty. LONDON: PRINTED BY W. CLOWES & SONS, STAMFORD STREET, FOR HER MAJESTY'S STATIONERY OFFICE. NOTE.-For the Plans of the Districts referred to in the following Returns, see the General Plan showing the Districts supplied by existing Companies, prefixed to the Report of the General Board of Health on the Supply of Water to the Metropolis. だ RETURNS TO QUERIES ADDRESSED TO THE SEVERAL METROPOLITAN WATER COMPANIES. RETURN from the NEW RIVER COMPANY. [Part of the Questions of the Sanitary Commissioners and Answers thereto by the New River Company.] 1. What is the name of the Company?-The Governor and Com- New River pany of the New River, brought from Chadwell and Amwell to Company. London. 2. Will you recite your Act or Acts of Parliament ?-3 Jas. I., cap. 18; 4 Jas. I., cap. 12; 11 Geo. II., cap. 14 (private Act); 12 Geo. II., cap. 32; 3 Geo. IV., cap. 109. Incorporated 21 June, 17 Jas. I. 3. What are the sources of supply?-The Chadwell spring, near Ware, in Hertfordshire; together with a further supply from the river Lea, Spital Brook, and other small springs taken into the river in its course; also from the water-shed of the Northhall district, and the yield of four deep wells sunk into the chalk in Middlesex and Hertfordshire, two of the latter being situate in the parish of Great Amwell. 4. Will you give a tracing of the district supplied, showing your main lines, and distinguishing severally over what portions of the district (if any) there are one, two, or more competing works?—See plan accompanying this return, within which there are no competing Companies. 5. Set forth also the position of the sources of supply; the enginehouses and the reservoirs, for storage or filtration ?—The engines for the distribution of the water are situated at Newington, at the New River Head, and at Tottenham Court-road, at which places there are storage reservoirs marked on the annexed plan. 6. Describe the capacity and construction of the reservoirs ?—The reservoirs, with the exception of one at Highgate and another at Tottenham Court-road, which are lined with brick, are all excavated out of the clay with slopes of 2 to 1, and faced on the surface with broken, stone, where the action of the wind on the water has the effect of creating a scour on such internal surface. 7. Give the internal and external diameter in inches, and length in yards of 1st. The largest trunk-main, and of the second, third, and 2nd. Branch-mains, distinguishing length and diameter of the 3rd. Side-services, distinguishing length and diameter as above. These are details which have never been kept, and for obtaining which |