Issue 2 and Volume 37.

THE SEPTIC TANK AT MANCHESTER In June, 1903, the writer was called on to design a system of sewers and sewage disposal works for the sanitary and sewer district of Manchester, Conn. A charter had been secured providing for the construction of the work and for issuing bonds to pay for it. The charter also specified that the sewage must be treated by some method of purification. The large problem to be solved was to find some method of purification that should meet the needs of the case and that would not be too expensive. The entire drainage area of the fire district is tributary to the llockanutn river. This stream has a tributary watershed at Manchester of about sixty miles and is probably the most thoroughly polluted stream, in proportion to its size, of any stream in the State. The only suitable land available for filtration which can be…

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