§ 13.08.010. Definitions and abbreviations.

The definitions of certain words and abbreviations used in this chapter shall be as follows:

A.

"Biochemical oxygen demand" means the quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedures in five days at twenty degrees Celsius, expressed in milligrams per liter (mg/l) by weight.

B.

"District" means the Butte-Silver Bow metro sanitary and storm sewer district No. 1 or the council of commissioners or their authorized representatives acting within the limits of the authority delegated to them.

C.

"Milligrams per liter (mg/l)" means a weight per volume concentration; the milligram per liter value multiplied by the factor 62.4 is equivalent to pounds of constituent per million cubic feet of water.

D.

"Replacement" means expenditures for obtaining and installing equipment, accessories or appurtenances which are necessary to maintain the capacity and performance of wastewater collection treatment and disposal facilities during the service life for which such facilities were designed and constructed.

E.

"Sanitary wastewater system" means district-owned and maintained sewers, treatment facilities and other appurtenances required to collect, treat and dispose of liquid- and water-carried domestic or industrial wastes from dwellings, commercial buildings, industrial facilities and institutions, together with incidental infiltration/inflow from ground or surface water sources, but exclusive of storm sewers and other facilities designed to collect and dispose of stormwater.

F.

"Suspended solids" means solids that either float on the surface of, or are in suspension in water, wastewater, or other liquids, and which are removable by laboratory filtering, expressed in milligrams per liter (mg/l) by weight.

G.

"Unit user" means a unit of sanitary wastewater collection and treatment service to be used as measure of service provided by the district to a customer, which is currently defined to be equivalent to 233.3 cubic feet per month of normal strength, domestic wastes at the point of connection with the district sanitary wastewater system.

( Ord. No. 15-16, § 8, 12-18-2015 )