Annual Report - Massachusetts, Department of Public Health, Svazek 2

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Department of Public Health, 1917
 

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Strana 50 - June, when the rainfall was 1.06 inches, or 2.18 inches less than the normal. The following table gives the normal rainfall in the State for each month, as deduced from observations at various places for a long period of years, together with the average rainfall at those places for each month during the year 1913 and the departure from the normal: — FLOW OF STREAMS.
Strana 58 - The area of the watershed used in making up these records included water surfaces amounting to 2.2 per cent. of the whole area from 1897 to 1902, inclusive, to 2.4 per cent. in 1903, to 3.6 per cent in 1904, to 4.1 per cent. in 1905, to 5.1 per cent. in 1906, to 6 per cent. in 1907, to 7 per cent, in 1903, 1909 and 1910, to 6.5 per cent.
Strana 60 - Cochituate, or a combined area of 211 square miles from which water is drawn at the present time for the supply of the Metropolitan Water District. The flow as measured at Lawrence includes the water wasted from these three watersheds, which, in the wet months of the year, is very considerable, but which becomes very small in the dry months. Records of the quantity of water wasted have been kept by the Boston Water Board and by the Metropolitan Water Board, and these quantities have been deducted...
Strana 262 - ... the sources of mortality and the effects of localities, employments, conditions and circumstances on the public health...
Strana 300 - ... 234.63 1900, with the exception of the years 1913 and 1914, was less than the amount treated in the three years previous to 1900. The decrease in the amount treated in 1915 is accounted for in part at least by the small quantity treated at the works during one month when work was being completed upon a new outfall sewer; but for this, the total quantity of sewage treated in the year 1915 would have been as great as, if not greater than, that treated in the two previous years. The great increase...
Strana 344 - Said department shall report the result of its investigation to the next general court on or before the second Wednesday in January, and shall accompany its report with such recommendations for legislation as it may consider to be advisable.
Strana 25 - ... to impair the interests of the public or of persons lawfully using them or to imperil the public health. It may make rules and regulations to prevent the pollution and to secure the sanitary protection, of all such waters as are used as sources of water supply.
Strana 149 - Each of these filters is %oooo of an acre in area and is constructed of 5 feet in depth of sand of an effective size of 0.25 millimeter over the usual underdrains.
Strana 60 - The flow as measured at Lawrence includes the water wasted from these three watersheds, which, in the wet months of the year, is very considerable, but which becomes very small in the dry months. Records of the quantity of water wasted have been kept by the Boston Water Board and by the Metropolitan Water and Sewerage Board, and these quantities have been deducted from the flow as measured at Lawrence.
Strana 344 - The board is further requested to report the result of its investigation to the general court, with such recommendations as it may deem expedient, either in its annual report or separately, not later than the fifteenth day of January, nineteen hundred and thirteen.

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