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Search results with tag "Through cracks"
Primer for Municipal Wastewater Treatment Systems
www3.epa.govEffects of Wastewater on Water Quality 5 ... Infectious micro-organisms, or pathogens, may be carried into surface and groundwater by sewage from cities and institutions, by certain kinds of industrial wastes, such as tanning and ... through cracks, particularly in older lines, and through roof and basement drains.
Chapter 1: The Basics of Illicit Discharges
www3.epa.govthe storm drain either through cracks and joints, or where open channels or pipes associated with the MS4 may intercept seeps and springs. Water quality testing is used to conclusively identify flow types found in storm drains. Testing can distinguish illicit flow types (sewage/septage, washwater and liquid