A. “Building sewers” means and includes all sewers running from a sewer lateral or trunk to any building or other source of sewerage, and shall be synonymous with “side sewers.”

B. “Engineer” means and includes the city engineer or such other official as the city council designates to enforce the provisions of this chapter, such designation to be by resolution.

C. “Industrial wastes” means and includes the liquid wastes from industrial processes as distinct from sanitary sewage.

D. “Natural outlet” means and includes any outlet into a watercourse, pond, ditch, lake or other body of surface or ground water.

E. “Person” means and includes any individual, firm, company, association, society, corporation, or group.

F. “Properly shredded garbage” means and includes the wastes from the preparation, cooking and dispensing of food that have been shredded to such degree that all particles will be carried freely under the flow conditions normally prevailing in public sewers, with no particle greater than one-half inch in any dimension.

G. “Sanitary sewer” means and includes a sewer which carries sewage and to which storm, surface and ground waters are not intentionally admitted.

H. “Sewage” means a combination of the water-carried wastes from residences, business buildings, institutions, and industrial establishments.

I. “Sewage treatment plant” means and includes any arrangements of devices and structures used for treating sewage.

J. “Sewage works” means and includes all facilities for collecting, pumping, treating and disposing of sewage.

K. “Sewer” means and includes a pipe or conduit for carrying sewage.

L. “Shall” is mandatory; “may” is permissive.

M. “Storm sewer” or “storm drain” means and includes a sewer which carries storm and surface waters and drainage, but excludes sewage and polluted industrial wastes.

N. “Watercourse” means and includes a channel in which a flow of water occurs, either continuously or intermittently.