Show CITY WATER SHOWS IMPROVEMENT IN REPORTS Tests Prove Success of Chlorination Plants Recently Recently Re Re- Installed The wonderful effects of the chlorination process in purifying the city's water supply were shown this tiliS morning in the laboratory laboratory laboratory labora labora- tory report of the board of health Colon bacilli were absent In Inthe inthe inthe the tests of Big Cottonwood and Parleys Parleys Parleys Par Par- leys canyon water and a striking de decrease decrease de- de crease creaso in the bacteria bacteria count was evi evi- dent The chlorination plants were put in inactive inactive inactive active operation Wednesday On Tuesday Dr Ashley of the board of health secured samples of the water from Big Cottonwood and from the reservoir In which Big Cottonwood and Parleys canyon water are mixed He selected samples of the water before before before be be- fore undergoing the chlorination process process process pro pro- cess and afterward Big Cottonwood water before undergoIng undergoing undergoing under under- going the process showed a bacteria count of 1200 per cubic centimeter Colon bacilli became evident after twenty-four twenty hours Big Cottonwood water after showed nation a count of only eIghteen eighteen eight eIght- een bacteria to the cubic centimeter No colon bacilli were discovered after sixty-five sixty hours Big Cottonwood and Parleys canyon water mixed showed a bacteria count of per cubic centimeter before chlorination Colon bacilli were evident evi e dent after thirty-six thirty hours After Undergoing undergoing undergoing un un- the chlorination process the water showed only a bacteria count of seven per cubic centimeter and no colon bacilli aft nf after r sixty-five sixty hours I |