For the purpose of this article, the following definitions apply unless the context clearly indicates or requires a different meaning.
BENEFICIAL USES. Domestic, municipal, agricultural and industrial use, power generation, recreation, aesthetic enjoyment, navigation and the preservation and enhancement of fish, wildlife and other aquatic resources or reserves, and other uses, both tangible or intangible, as specified by state or federal law.
BIOCHEMICAL OXYGEN DEMAND (BOD) OF SEWAGE, SEWAGE EFFLUENT, POLLUTED WATERS OR INDUSTRIAL WASTES. The quantity of dissolved oxygen in milligrams per liter required during stabilization of the decomposable organic matter by aerobic biochemical action under standard laboratory procedures for five days at 20°C. The laboratory determinations shall be made in accordance with procedures set forth in Standard Methods.
BOARD OF PUBLIC WORKS AND SAFETY. The administrative governing body of the public utilities of the city.
BUILDING (OR HOUSE) DRAIN. The lowest horizontal piping of a building drainage system, which receives the discharge from soil, waste and other drainage pipes inside the walls of the building and conveys it to a point approximately four feet outside the foundation wall of the building.
BUILDING (OR HOUSE) LATERAL SEWER. The extension from the building drain to the sewerage system or other place of disposal.
CHEMICAL OXYGEN DEMAND (COD) OF SEWAGE, SEWAGE EFFLUENT, POLLUTED WATERS OR INDUSTRIAL WASTES. The measure of the oxygen equivalent of that portion of the organic matter in a sample that is susceptible to oxidation by a strong chemical oxidant. The laboratory determination shall be made in accordance with procedures set forth in Standard Methods.
CITY. The City of Martinsville, or any duly authorized officials acting in its behalf.
COMPATIBLE POLLUTANTS. Biochemical oxygen demand, suspended solids, pH and fecal coliform bacteria, plus additional pollutants identified in the city’s National Pollutant Discharge Elimination System (NPDES) permit.
DEPARTMENT. The city wastewater treatment plant, including the sewer collection and wastewater treatment facilities.
EFFLUENT. Water, together with any wastes that may be present, flowing out of a drain, sewer, receptacle or outlet.
EQUIPMENT. All movable, non-fixed items necessary to the wastewater treatment process.
GARBAGE. Any solid wastes from the preparation, cooking or dispensing of food and from the handling, storage or sale of produce.
GROUND (SHREDDED) GARBAGE. Garbage that is shredded to such a degree that all particles will be carried freely in suspension under the conditions normally prevailing in the sewerage system, with no particle being greater than one-half inch in dimension.
HOLDING TANK WASTE. Any waste from holding tanks, such as chemical toilets, campers, trailers, septic tanks, vacuum pump trucks and the like.
INCOMPATIBLE POLLUTANTS. Any pollutants that are not compatible pollutants.
INDUSTRIAL WASTES. Any solid, liquid or gaseous substance or form of energy discharged, permitted to flow or escaping from an industrial, manufacturing, commercial or business process or from the development, recovery or processing of any natural resource earned on by any person and shall further mean any waste from an industrial user.
INFILTRATION. The water entering a sewerage system, including sewer service connections, from the ground, through such means as, but not limited to, defective pipes, pipe joints, connections or manhole walls.
INFLOW. The water discharged into a sewerage system, including service connections from such sources as, but not limited to, roof leaders, cellars, yard and area drains, foundation drains, cooling water discharges, drains from springs and swampy areas, manhole covers, cross-connections from storm sewers and combined sewers, catch basins, storm waters, surface runoff, street wash waters or drainage. INFLOW does not include and is distinguished from infiltration.
INSPECTOR. A person authorized by the city through the Board of Public Works and Safety or the Superintendent of the Department.
MAJOR CONTRIBUTOR. A contributor that has:
(1) A flow of more than 50,000 gallons per average workday;
(2) In its waste a toxic pollutant in toxic amounts as defined in federal law; or
(3) Significant impact, either singly or in combination with other contributors, on the wastewater treatment plant or the quality of its effluent.
NATURAL OUTLET. Any outlet into a watercourse, pond, lake or other body of surface water or ground water.
NPDES PERMIT. A National Pollutant Discharge Elimination System permit setting forth conditions for the discharge of any pollutant or combination of pollutants.
NUISANCE. Anything that is injurious to health or offensive to the senses or an obstruction to the free use of property so as to interfere with the comfort or enjoyment of life or property.
OPERATION AND MAINTENANCE EXPENSES. All annual expenses, including replacement related directly to operating and maintaining the sewerage works as identified in Uniform System of Accounts for Wastewater Utilities or as prescribed by the state board of accounts under general headings, Plant Operation and Maintenance, Sewer Operation and Maintenance, Customer Accounts, Administrative and General, Insurance and Taxes.
pH. The logarithm (to the base 10) of the reciprocal of the hydrogen ion concentration of a solution expressed in gram-atoms per liter of solution.
POLLUTION. An alteration of the quality of the waters of the state by waste to a degree that unreasonably affects such waters for beneficial uses or facilities that serve such beneficial uses.
RECEIVING STREAM. The watercourse, stream or body of water receiving the waters finally discharged from the wastewater treatment plant.
SANITARY SEWAGE. The discharge from sanitary conveniences of dwellings (including apartment houses and hotels), office buildings, factories or institutions, free from storm water and surface water and industrial wastes.
SEWAGE. The water-carried wastes from residences, business buildings, institutions and industrial establishments, singular or in any combination, together with such ground waters, surface waters and storm waters as may be present.
SEWER.
(1) COMBINED SEWER. A sewer that carries both storm water, surface water and ground water runoff and wastewater.
(2) PUBLIC SEWER. A sewer in which all owners of abutting property have equal rights and which is controlled by public authority.
(3) SANITARY SEWER. A sewer that carries wastewater and to which storm waters, surface waters and ground waters and unpolluted industrial wastewater are not intentionally admitted.
(4) STORM SEWER. A sewer that carries storm water, surface water and ground water drainage, but excludes wastewater.
SEWERAGE SYSTEM. The network of sewers and appurtenances used for collecting, transporting and pumping sewage to the wastewater treatment plant.
STANDARD METHODS. The examination and analytical procedures set forth in the most recent edition of Standard Methods for the Examination of Water and Wastewater, published jointly by the American Public Health Association, the American Water Works Association and the Water Pollution Control Federation and as set forth in Congressional Record 40 C.F.R. part 136.
SUPERINTENDENT. The administrative head of the department and/or the appointed representative of the Board of Public Works and Safety.
SUSPENDED SOLIDS.
(1) Solids that either float on the surface of or are in suspension in water, sewage or other liquid and are removable by laboratory filtration.
(2) Their concentration shall be expressed in milligrams per liter.
(3) Quantitative determination shall be made in accordance with procedures set forth in Standard Methods.
USER. Any person who discharges, causes or permits the discharge of wastewater into the sewerage system.
USER CLASSES. Each recipient of municipal wastewater treatment services shall be either in the industrial class or the non-industrial class (including domestic, commercial, institutional and governmental).
(1) INDUSTRIAL CLASS. Any user as determined by the Board of Public Works and Safety, identified in the Standard Industrial Classification Manual of 1972, Office of Management and Budget, as amended and supplemented, under the following divisions:
(a) Division A, relating to agriculture, forestry and fishing;
(b) Division B, relating to mining;
(c) Division D, relating to manufacturing;
(d) Division E, relating to transportation, communications, electric, gas and sanitary services; and
(e) Division I, relating to services.
(2) NON-INDUSTRIAL CLASS. All users whose wastes are segregated domestic wastes or wastes from sanitary conveniences where regular domestic wastes are those wastes generated by normal domestic activity as determined by the Board of Public Works and Safety.
WASTE. Includes sanitary sewage and any and all other waste substances, liquid, solid, gaseous or radioactive, associated with human habitation, or of human or animal origin, or from any producing, processing, manufacturing or industrial operation of whatever nature, including such waste placed within containers of whatever nature prior to and for purposes of disposal.
WASTEWATER. The water-carried waste from residences, business buildings, institutions and industrial establishments, singular or in any combination, together with such ground waters, surface waters and storm waters as may be present.
WASTEWATER CONSTITUENTS AND CHARACTERISTICS. The individual chemical, physical, bacteriological and radiological parameters, including volume, flow rate and such other parameters that serve to define, classify or measure the contents, quality, quantity and strength of wastewater.
WASTEWATER TREATMENT PLANT. The arrangement of devices, structures and equipment used for treating and disposing of sewage and sludge.
WATERCOURSE. A channel in which a flow of water occurs, either continuously or intermittently.
WATERS OF THE STATE. Any water, surface or underground, within the boundaries of the state, except confined waters in sewers, lakes and the like.