1. “BOD” (denoting biochemical oxygen demand) means the quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five days at twenty degrees centigrade expressed in milligrams per liter.

2. “Building drain” means that part of the lowest horizontal piping of a drainage system which receives the discharge from soil, waste, and other drainage pipes inside the walls of the building and conveys it to the building sewer, beginning five feet (one and one-half meters) outside the inner face of the building wall.

3. “Combined sewer” means a sewer receiving both surface runoff and sewage.

4. “Garbage” means solid wastes from the domestic and commercial preparation, cooking, and dispensing of food, and the handling, storage, and sale of produce.

5. “Industrial establishment” means an establishment involving manufacturing, assembling, fabrication, processing, bulk handling of products, large amounts of storage, warehousing, and heavy trucking, in addition to lighter industrial activities consisting of uses involving the processing, handling and creating of products.

6. “Industrial wastes” means the liquid waste from industrial manufacturing processes, trade, or business as distinct from sanitary sewage, and such wastes shall be divided into the following divisions:

A user in the divisions listed may be excluded if it is determined that it will introduce primarily segregated domestic wastes or wastes from sanitary conveniences.

7. “Natural outlet” means outlet into a watercourse, pond, ditch, lake, or other body of surface water or groundwater.

8. “pH” means the logarithm of the reciprocal of the weight of hydrogen ions in grams per liter of solution.

9. “Public sewer” means a sewer in which all owners of abutting properties have equal rights, and is controlled by public authority to include main line sewer.

10. “Sanitary sewer” means a sewer which carries sewage and to which stormwater, surface water, and groundwaters are not intentionally admitted.

11. “Sewage treatment plant” means any arrangement of devices and structures used for treating sewage.

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

13. “Side sewer” means the extension line from the main line sewer to the house or building. (A side sewer shall extend no longer than three hundred feet from the public sewer main excluding that portion of the side sewer in the public right-of-way.)

14. “Slug” means any discharge of water, sewage, or industrial waste which, in concentration of any given constituent or in quantity of flow, exceeds for any period of duration longer than fifteen minutes more than five times the average twenty-four-hour concentration or flows during normal operation.

15. “Storm drain” (sometimes termed “storm sewer”) means a sewer which carries storm and surface waters and drainage, but excludes sewage and industrial wastes, other than unpolluted cooling water.

16. “Suspended solids” means solids that either float on the surface or are in suspension in water, sewage or other liquids, and which are removable by laboratory filtering as per standard methods testing set forth in the most current publication of the Standard Methods for the Examination of Water and Wastewater.

17. “Watercourse” means a channel in which a flow of water occurs, either continuously or intermittently. (Ord. 016/2021 § 2; Ord. 017/2015 § 7; Ord. 1260, 2002; Ord. 1170, 1999; Ord. 750, 1983; Ord. 722, 1981)