Board Of Aldermen - Minutes - 4/26/2021 - P12

Collection System by the Numbers

¢ 1860's - first sewers installed
¢ 1869 - 32 by 40 inch brick sewer constructed under Main Street to Nashua River

¢ 1885 — 40 by 54 inch brick sewer constructed under East Hollis Street to Merrimack River
¢ 6 to 108 inches — diameter of sewers

¢ 3 to 31 feet - depth of sewers TT 2.
¢ 31.6 miles of pipe over 100 years old ptpine ben aR

e 4.4 miles of brick sewers Sree 2
¢ 74.5 miles of asbestos cement pipe Direction:JU
¢ 37.9 miles of sewers under arterial roads

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