§ 15-111. Definitions.

Unless the context specifically indicates otherwise, the meaning of terms used in this division shall be as follows:

Board or board of trustees: The governing body of the Town of Bayfield.

BOD ₅ (Biochemical Oxygen Demand): The quantity of oxygen utilized in the chemical oxidation of organic matter under standard laboratory procedure in five days at 20 degrees centigrade, expressed in milligrams per liter (mg/l).

Building drain: That part of the lowest horizontal piping of a drainage system which receives the discharge from waste and other drainage inside the walls of the building and conveys it from the building five feet outside the outer face of the building wall.

Codes and standards: The town's processes, procedures, technical specifications, checklists and forms which govern the design, construction, inspection, testing, acceptance, operation and maintenance of the town sewage collection and treatment system. These rules and regulations are a part of the codes and standards.

Combined sewer: A sewer receiving both surface or stormwater and sewage. Combined sewers are prohibited in the town.

Equivalent residential tap or ERT: The typical sewage flow originating from any single family home, mobile home, condominium, townhouse, dwelling unit, or other unit based on 250 gallons per day flow, a five-day average BOD ₅ of 250 ppm and 250 ppm total suspend solids.

Floatable oil: Oil, fat or grease in a physical state such that it will separate by gravity from wastewater by treatment in an approved pretreatment facility. All wastewater shall be considered free of floatable oil if it is properly pretreated and does not interfere with the collection system.

Garbage: Solid wastes from the domestic and commercial preparation, cooking and dispensing of food, and from the handling, storage and sale of produce.

Infiltration: Any material such as surface waters, groundwaters or stormwaters entering service lines or public sewers which is not sewage.

Industrial waste: The liquid wastes from industrial processes as distinct from sanitary sewage. Industrial waste is prohibited in the town sewage collection and treatment system.

Natural outlet: Any outlet into a watercourse, pond, ditch, lake or other body of surface or ground water.

Official notice: Written notice issued by authority of the board of trustees directed to the owner of the property as shown in the records of the county assessor, mailed to the address shown in the records of the county assessor by certified mail, return receipt requested, which notice shall be deemed to have been given as of the date of mailing.

Person: Any individual, firm, company, association, society, corporation, group or trust or other entity.

pH: The logarithm of the reciprocal of the weight of hydrogen ions in grams per liter of solution.

Plant investment fee or PIF: The fee required to be paid to the town as a proportionate share of the capital cost of the town's facilities sometimes called a tap fee. The PIF includes an amount for the capital cost of the existing town facilities and an amount for the capital cost of expansion of town facilities. The combination of these two components supports the town's policy that growth pays for growth.

Properly shredded garbage: The wastes from the preparation, cooking and dispensing of food that have been shredded to such a 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 (1.12 centimeters) in any dimension.

Public sewer or sewer main: Any sewer which is owned and maintained by the town.

Sanitary sewer: A sewer which carries sewage and to which storm, surface and ground waters are not admitted intentionally.

Service line: The extension of pipe from the building drain to the public sewer or other place of disposal. The term service line shall include lines serving more than one unit which have not been accepted by the town such as collection lines in mobile home parks, townhouse or condominium projects or similar multi-unit situations.

Sewage (wastewater): A combination of the liquid and water carried wastes from residences, businesses, and institutions.

Sewage treatment plant: Any arrangement of devices and structures used for treating sewage also called the "Wastewater Treatment Plant or "WWTP".

Sewage collection and treatment system: All facilities for collecting, pumping, treating and disposing of sewage.

Sewer: A pipe or conduit for carrying sewage.

Shall, may: Shall is mandatory; may is permissive.

Storm drain: A pipe or conduit which carries storm and surface waters and drainage, but excludes sewage and industrial wastes, other than unpolluted cooling water.

Suspended solids: Solids that either float on the surface of or are in suspension in water, sewage, or other liquid and which are removable by laboratory filtering.

User fees: A monthly service fee paid to the town for a proportionate share of the operation and maintenance expenses of the town's facilities including depreciation.

Watercourse: A channel in which a flow of water occurs, whether continuously or intermittently.

(Ord. No. 329, § 15-101, 12-18-07)