This chapter shall be known as the "Sewer Use Ordinance" of the City of Las Vegas, New Mexico.
Unless the context specifically indicates otherwise, the meaning of terms used in this ordinance shall be as follows:
ASTM
The American Society for Testing Materials.
BOD (denoting BIOCHEMICAL OXYGEN DEMAND)
The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five days at 20° C., expressed in milligrams per liter.
BUILDING DRAIN
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 outside the inner face of the building wall.
BUILDING SEWER
The extension from the building drain to the public sewer or other place of disposal.
CITY
The City of Las Vegas, New Mexico.
COD (denoting CHEMICAL OXYGEN DEMAND)
The quantity of oxygen utilized in the chemical oxidation of organic and inorganic matter under standard laboratory procedure by the dichromate reflux method expressed in milligrams per liter.
COMBINED SEWER
A sewer receiving both surface runoff and sewage.
DIRECTOR
The Director of the City's Wastewater Department.
EID
The Environmental Improvement Division of the State of New Mexico or any successor agency.
FIXED COST
Those costs of the City's wastewater treatment system which the City would incur independent of total wastewater flow or the wastewater contribution of individual users.
GARBAGE
Includes but is not limited to solid wastes from the domestic and commercial preparation, cooking, dispensing of food, and from the handling, storage, and sale of produce.
HEALTH OFFICER
Any person or his authorized representative so appointed by the City or any New Mexico Environmental Improvement Division representative charged with approval or inspection of public or private wastewater facilities.
INDUSTRIAL LIQUID WASTES
All waterborne solids, liquids or gaseous wastes resulting from any industrial, manufacturing or food processing operation or process, or from the development of any natural resources or any mixture of these with water or domestic sewage as distinct from normal domestic sewage. Industrial manufacturing processes shall include, but are not limited to, food and products; apparel and other finished products made from fabrics and similar materials; lumber and wood products, except furniture; furniture and fixtures; printing, publishing, and allied industries; chemicals and allied products; petroleum refining and related industries; rubber and miscellaneous plastic products; leather and leather products; stone, clay, glass, and concrete products; primary metal industries; fabricated metal products; except machinery and transportation equipment; machinery, except electrical; electrical machinery, equipment and supplies; transportation equipment; professional, scientific and controlling instruments; photographic and optical goods; watches and clocks; miscellaneous manufacturing industries.
NATURAL OUTLET
Any outlet into a watercourse, pond, ditch, lake or other body of surface water or groundwater.
NORMAL DOMESTIC WASTEWATER
Waterborne wastes normally discharging from the sanitary convenience of buildings (including apartment houses and hotels), office buildings, factories, and institutions, free from storm surface water and industrial wastes. "Normal domestic wastewater" shall mean "normal" for the City of Las Vegas, New Mexico.
OWNER
The owner of any real property or facility which produces wastewater.
PERSON
Any individual, firm, company, association, society, corporation, or group.
pH
The logarithm to the base 10 of the reciprocal of the weight of hydrogen ions in grams per liter of solution.
PROPERLY SHREDDED GARBAGE
The wastes from the preparation, cooking, and dispensing of foods 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 1/2 inch in any dimension.
SANITARY SEWER or PUBLIC SEWER
The public sewer portion of a wastewater facility which transports wastewater and to which storm, surface, and ground water are not intentionally admitted.
SETTLEABLE SOLIDS
Those solids which settle during a preselected period of time expressed as milliliters per liter of sample.
SEWER
A pipe or conduit for carrying sewage.
SHALL; MAY
"Shall" is mandatory; "may" is permissive.
SLUG
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 15 minutes more than five times the average twenty-four-hour concentration or flows during normal operation.
STANDARD METHODS
The laboratory procedures set forth in the latest edition, at the time of analysis, of "Standard Methods for Examination of Water and Wastewater," as prepared, approved and published jointly by the "American Water Works Association" and the "Water Pollution Control Federation."
STORM SEWER
A sewer which carries storm and surface waters and drainage, but excludes wastewater and polluted industrial wastes.
SUSPENDED SOLIDS
Solids that either float on the surface of, or are in suspension in water, sewage or other liquids, and which are removable by laboratory filtering.
TRAP
A device for retaining sand, silt, grit mineral material, petroleum solvent, grease or oil by gravity-differential separation from wastewater and of a design and capacity approved by the City.
UNPOLLUTED PROCESS WATER
Any water or waste containing none of the following: Free of emulsified grease or oil, acid or alkali, phenols, or other substances imparting taste and odor to receiving water; toxic substances in suspension, colloidal state or solution; and noxious or odorous gases.
VARIABLE COSTS
Those costs of the City's wastewater treatment system which are directly related to the wastewater flow received at the wastewater treatment plant and are normally recovered on an incremental basis per 1,000 gallons of water used.
WASTEWATER
The used water of a community. Such used water may be a combination of the liquid and waterborne wastes from residences, commercial buildings, industrial plants and institutions.
WASTEWATER FACILITIES
The structures, equipment, and processes required to collect, transport and treat domestic industrial wastes and dispose of the effluent.
WASTEWATER TREATMENT FACILITIES
An arrangement of devices and structures for treating wastewater, industrial wastes and sludge. Sometimes uses as synonymous with "waste treatment plant" or "wastewater treatment plant."
WATERCOURSE
A channel in which a flow of water occurs, either continuously or intermittently.
WPCF
The Water Pollution Control Federation.