Parliamentary Papers, Volume 40, Part 1

analyses average beds calculation Census cent Chairman chalk Cheshunt cholera clay Colne Commission conservators constant supply County Council course Dewar district East London Company effect effluent engineer enteric fever estimate evidence feet figures filter filtration flood flow gallons a day gallons per head gaugings Geikie give given gravel head per day Hertford inches increase intake Lea Bridge Lea Valley Lechlade London clay London County Council Mansergh mean million gallons number of houses number of supplies opinion organic matter P-Yes paragraph parishes pollution population present pumping quantity of water question rainfall refer regard River Company River Lea River Thames samples sewage farm Sir G. B. Bruce speak springs square miles statement Stort stream suppose surface taken Teddington Thames Conservancy Thames water town tributaries typhoid fever understand Waltham Abbey water companies water supply whole witness withdrew