Pennsylvania Statutes Title 53 P.S. Municipal and Quasi-Municipal Corporations § 14492. Assessment of costs

(a) By an assessment, pursuant to a resolution of the council of the city, of each lot or piece of land, in proportion to its frontage abutting on the sewer, allowing such reduction, in the case of properties abutting on more than one sewer, as the resolution may specify.

(b) By an assessment upon the several properties abutting on the sewer in proportion to benefits.  The amount of the charge on each property shall be ascertained as provided by law for the assessment of benefits by viewers for sewer improvements.

(c) By the imposition of a charge or rental against the properties served or accommodated by such sewer or sewer system as provided by law for the imposition of such charges or rentals by cities, where more than one district is created the assessment in the different districts may be by different methods.