[R.O. 1988 §§ 35-1, 35-124; Ord. No. 2136 § 2, 2-12-1979; Ord. No. 2886 § 3, 12-7-1992; Ord. No. 3017 § 2, 10-3-1994; Ord. No. 4697 § 4, 9-19-2022]
Unless the context specifically indicates otherwise, the meaning of terms used in this Chapter shall be as follows:
The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedures in five (5) days at twenty degrees Centigrade (20° C.), expressed in milligrams per liter.
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, beginning five (5) feet (1.5 meters) outside the inner face of the building wall.
The extension of the building drain to the public sewer or other place of disposal.
A sewer receiving both surface runoff and sewage.
A structure located on a site from which industrial wastes are discharged. Where feasible, the manhole shall have an interior drop. The purpose of a "control manhole" is to provide access for the City of Rolla representative to sample and/or measure discharges.
The Federal Water Pollution Control Act (33 U.S.C. § 1251 et seq.) as amended by the Federal Water Pollution Control Act Amendments of 1972, Pub. L. 92-500 and Pub. L. 93-243.
Solid wastes from the domestic and commercial preparation, cooking and dispensing of food, and from the handling, storage and sale of produce.
The liquid wastes from industrial manufacturing processes, trade, or business as distinct from normal domestic wastewater.
All expenditures during the useful life of the treatment works for materials, labor, utilities, and other items which are necessary for managing and maintaining the sewer works to achieve the capacity and performance for which such works were designed and constructed.
Any outlet into a watercourse, pond, ditch, lake, or other body of surface water or groundwater.
Wastewater that has a BOD concentration of not more than two hundred fifty (250) mg/L and a suspended solids concentration of not more than two hundred fifty (250) mg/L.
Any individual, firm, company, association, society, corporation, or group.
The logarithm of the reciprocal of the weight of hydrogen ions in grams per liter of solution.
The treatment of wastewaters from sources before introduction into the wastewater treatment works.
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 (1/2) inch in any dimension.
A sewer in which all owners of abutting properties have equal rights, and is controlled by public authority. "Public Works Director" shall mean the Public Works Director of the City of Rolla or their authorized deputy, agent, or representative.
Expenditures for obtaining and installing equipment, accessories, or appurtenances which are necessary during the useful life of the treatment works to maintain the capacity and performance for which such works were designed and constructed. The term "operation and maintenance" includes replacement.
Any contributor to the City's treatment works whose lot, parcel of real estate, or building is used for domestic dwelling purposes only.
A sewer which carries sewage and to which stormwater, surface water, and groundwater are not intentionally admitted.
A combination of the water-carried wastes from residences, business buildings, institutions, and industrial establishments, together with such ground, surface, and stormwaters as may be present.
Any arrangement of devices and structures used for treating sewage.
All facilities for collecting, pumping, treating and disposing of sewage.
A pipe or conduit for carrying sewage or stormwater runoff.
The system of sewers and appurtenances for the collection, transportation and pumping of sewage.
Is mandatory, "May" is permissible.
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 (15) minutes more than five (5) times the average twenty-four-hour concentration or flows during normal operation.
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.
A sewer which carries storm and surface waters and drainage, but excludes sewage and industrial wastes, other than unpolluted cooling water.
That portion of the precipitation that is drained into the sewers.
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.
Any devices and systems for the storage, treatment, recycling, and reclamation of municipal sewage, domestic sewage, or liquid industrial wastes. These include intercepting sewers, outfall sewers, sewage collection systems, individuals systems, pumping, power, and other equipment and their appurtenances; extensions improvements, remodeling, additions and alterations thereof; elements essential to provide a reliable recycled supply such as standby treatment units and clear well facilities; and any works, including site acquisition of land that will be an integral part of the treatment process or is used for ultimate disposal for residues resulting from such treatment (including land for composing sludge, temporary storage of such compost, and land used for the storage of treated wastewater in land treatment systems before land application); or any other method or system for preventing, abating, reducing, storing, treating, separating, or disposing of municipal waste or industrial waste, including waste in combined stormwater and sanitary sewer systems.
The estimated period during which a treatment works will be operated.
That portion of the total wastewater service charge which is levied in a proportional and adequate manner for the cost of operation, maintenance, and replacement of the wastewater treatment works.
The spent water of a community. It may be a combination of the liquid and water-carried wastes from residences, commercials buildings, industrial plants, and institutions, together with any groundwater, surface water, and stormwater that may be present.
The structures, equipment, and processes required to collect, carry away, and treat domestic and industrial wastes and transport effluent to a watercourse.
An arrangement of devices and structures for treating wastewater, industrial wastes, and sludge. Sometimes used as synonymous with "waste treatment plant" or "wastewater treatment plant" or "pollution control plant."
A water volume measuring and recording device furnished and installed by the City of Rolla.
A channel in which a flow of water occurs, either continuously or intermittently.