The following Table shews the Outlay upon Sewerage Works and the beneficial effects arising from them, and it also shews 
the varying Cost per Head of Population. 
Average 
— Savi Tot al C Mode of Di al 
Population | hoa "por 1000 Edd "uw ow en] v. | ut Works Eoad - «X r 
in 1861. in 1875. buloró Con- er 1000. E in Works Mainten- |perhead of| Systems, etc., in Water-carried 
struction | P one year.| up to 1874. ance. Population. use. Sewerage. 
of Works. 
£ £ S. D. r 
Banbury 4 10,238 11,718 23:4 19:66 434 6,0001 5 10 3 Irrigation. 
Drained direct 
Cardiff .. 82,954 73,000 33°2 21:26 869 76,000 400 20 10 = hii 
Croydon ^ ..| 30,229 | 63,000 | 23-7 21-71 | 136 | 77,000} | 1100 | 24 5 (rion m a 
3,500 Middens 
Leicester  ..| 68,056 | 95,064 | 26-4 26-02 36 | 41,000 | 1,500 8 7  |43,660 Ash Pits drei re 
3,000 Pails 
Drained direct 
Salisbury ‘ 9,030 12,902 21:5 24:8 41 15,000 700 24 9 into 
River Avon. 
Warwick d 10,570 11,001 22:7 101 893 23,8721 1,187 49 4 Irrigation. 
* Mr. Baldwin Latham, M.I.C.E., has attempted to estimate the pecuniary saving effected during thirteen years, since the 
completion of the Drainage Works of Croydon:— 2,489 funerals, which would have cost £12,195; 60,975 cases of 
iz 
sickness prevented, £60,975 ; value for the labour for six and a-half years of 1,817 adult persons whose lives were 
extended, £166,930. Total, £240,100. 
* See Inaugural Address Society of Civil Engineers. 
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