Interference means a discharge which, alone or in conjunction with a discharge or discharges from other sources, both: 1) inhibits or disrupts the POTW, its treatment processes or operations, or its sludge processes, use or disposal; and (2) therefore, is a cause of a violation of any requirement of the POTW's NPDES permit (including an increase in the magnitude or duration of a violation) or of the prevention of sewage sludge use or disposal in compliance with the following statutory provisions and regulations or permits issued thereunder (or more stringent local regulations): Section 405 of the Clean Water Act, the Solid Waste Disposal Act (SWDA) (including Title II, more commonly referred to as the Resource Conservation and Recovery Act (RCRA), and including state regulations contained in any state sludge management plan prepared pursuant to Subtitle D of SWDA), the Clean Air Act, and the Toxic Substances Control Act.
Public Improvements means only the following improvements: housing facilities; garbage disposal plants; rubbish disposal plants; incinerators; transportation systems, including plants, works, instrumentalities, and properties used or useful in connection with those systems; sewage disposal systems, including sanitary sewers, combined sanitary and storm sewers, plants, works, instrumentalities, and properties used or useful in connection with the collection, treatment, or disposal of sewage or industrial wastes; storm water systems, including storm sewers, plants, works, instrumentalities, and properties used or useful in connection with the collection, treatment, or disposal of storm water; water supply systems, including plants, works, instrumentalities, and properties used or useful in connection with obtaining a water supply, the treatment of water, or the distribution of water; utility systems for supplying light, heat, or power, including plants, works, instrumentalities, and properties used or useful in connection with those systems; approved cable television systems, approved cable communication systems, or telephone systems, including plants, works,