In regard to the purification of the Passaic river, much interest is excited in Newark, N, as to the injunction proceedings agaiost the proposed sewer across Military Park, to emptv into the Passaic near Centre street bridge. It is thought by some that the tidal flow will dilute the filth of the sewage deposit. On this subject Engineer Rudolph Hering has already expressed himself as follows: “When sewage is discharged into a tidal stream, or into salt water, other difficulties arise. Besides the deposits caused by a usual reduction in the velocity of the flow, the effect of salt water retaids the process of deimposition. and a larger dilution is necessary to prevent objectionable results than is necessary when sewage is discharged into fresh water under otherwise similar conditions. When sewage is discharged into a tidal stream, it is diluted only by the fresh water flow from the watershed, which flow should alone be considered.”

Westport, Mo., proposes to spend $25,000 on a sewer system.

A main sewer, for which plans are being prepared, will be built in Camp Washington. Ohio, from the Miami canal to Mill creek.

To sewer Bellevue, Pa., will be required $2,500 lineal feet of vitrified pipe sewer, from ei ht to twenty-four inches in diameter.

An odorless sewer company has just been formed at McKinnery, Tex., with a capital of $to,ooo. John Steele is a director.

Reservoir avenue, Jersey City, N. J , will have a sewer of eighteen-inch vitrified brick.

A sewer is to be built in the borough of Manhattan, N. Y., connecting the existing sewer in Central Park,between Seventyeighth and Seventy-ninth streets, with the sewer from the old building of the Metropolitan museum, near Eighty-first street.

Aurora, Ind.. will build a sewer system.

Anaconda. Mont., is about to build $8,000 worth of new sewers,

Wallingford, Conn., will lay 6,600 feet of thirty-inch pipe sewer.

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