Sanger Municipal Code § 82-172 Preliminary treatment facilities

The following words, terms and phrases, when used in this division, shall have the meanings ascribed to them in this section, except where the context clearly indicates a different meaning:

BOD (denoting biochemical oxygen demand) means the quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five days at 20 degrees Celsius, expressed in parts per million by weight.

Building drain means 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 three feet outside the inner face of the building wall.

Building sewer means the extension from the building drain to the public sewer or other place of disposal.

City manager means the city manager of the city or his authorized deputy, agent or representative.

Director means the director of public works of the city, or his authorized deputy, agent or representative.

Garbage means solid wastes from the preparation, cooking, and dispensing of food, and from the handling, storage, and sale of produce.

Industrial waste supervisor means the agent of the director of public works responsible for maintaining constant control over liquid industrial wastes of the city, or his authorized deputy, agent or representative.

Industrial wastes means the liquid wastes from industrial processes as distinct from sanitary sewage.

Natural outlet means any outlet into a watercourse, pond, ditch, lake or other body of surface water or groundwater.

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

Properly shredded garbage means the wastes from the preparation, cooking, and dispensing of food that have been shredded to such degree that all particles will be carried freely under the flow conditions normally prevailing in public sewers, with no particle greater than one-quarter inch in any dimension.

Public sewer means a sewer in which all owners of abutting properties have equal rights, and is controlled by public authority.

Sanitary sewer means a sewer which carries sewage and to which stormwaters, surface waters and groundwaters are not intentionally admitted.

Sewage means a combination of the water-carried wastes from residences, business buildings, institutions, and industrial establishments, together with such groundwaters, surface waters and stormwaters as may be present.

Sewage treatment plant means any arrangement of devices and structures used for treating sewage.

Sewage works means all facilities for collecting, pumping, treating, and disposing of sewage.

Sewer means a pipe or conduit for carrying sewage.

Storm sewer or storm drain means a sewer which carries stormwaters and surface waters and drainage, but excludes sewage and polluted industrial wastes.

Suspended solids means solids that either float on the surface or are in suspension in water, sewage or other liquids, and which are removable by laboratory filtering.

Watercourse means a channel in which a flow of water occurs, either continuously or intermittently.

(Code 1960, § 17.31; Ord. No. 896, § 6(47), 10-7-93)

Cross reference— Definitions and rules of construction generally, § 1-2.

No unauthorized person shall maliciously or willfully break, damage, uncover, deface or tamper with any structure, appurtenance, or equipment which is a part of the municipal sewage works.

(Code 1960, § 17.32)

The director of public works and other duly authorized employees of the city bearing proper credentials and identification shall be permitted to enter upon all properties for the purpose of inspection, observation, measurement, sampling and testing, in accordance with the provisions of this division.

(Code 1960, § 17.33)

(a) Any person found to be violating any provision of this division except section 82-162 shall be served by the city with written notice stating the nature of the violation and providing a reasonable time limit for satisfactory correction thereof. The offender shall, within the period of time stated in such notice, permanently cease all violations. If the offender continues violation after the expiration of the time stated, the city manager may prohibit the further use of the sewage system by the offender and may remove or close the offender's sewage and water connections.

(b) Any person violating any of the provisions of this division shall become liable to the city for any expense, loss or damage occasioned the city by reason of such violation, including but not limited to administrative costs directly and indirectly occasioned by such violation.

(Code 1960, § 17.34)

No person shall discharge or cause to be discharged any stormwater, surface water, groundwater, roof runoff, subsurface drainage or unpolluted industrial process waters to any sanitary sewer.

(Code 1960, § 17.35)

Stormwater and all other unpolluted drainage shall be discharged to such sewers as are specifically designated as storm sewers, or to a natural outlet approved by the city manager. Unpolluted process waters may be discharged, upon approval of the city manager, to a storm sewer, or natural outlet, or into the sanitary sewer system upon prior written approval of the city manager or director.

(Code 1960, § 17.36)

(a) In cases where, and in the opinion of the director, the character of the sewage from any manufacturer or industrial plant, building or other premises is such that it will damage the system or cannot be treated satisfactorily in the system, the city manager shall have the right to require such user to dispose of such waste otherwise, and prevent it from entering the system.

(b) Except as hereinafter provided, no person shall discharge or cause to be discharged into the sewer or drainage system of the city, directly or indirectly, any of the following described matters, waters or wastes:

(1) Any liquid or vapor having a temperature higher than 150 degrees Fahrenheit.

(2) Any water or waste which may contain more than 100 parts per million, by weight, or fat, oil or grease.

(3) Any gasoline, benzine, naphtha, fuel oil or other flammable or explosive liquid, solid or gas.

(4) Any garbage that has not been properly shredded.

(5) Any ashes, cinders, sand, mud, straw, shavings, metal, glass, rags, feathers, tar, plastics, wood, paunch manure, or other solid or viscous substances capable of causing obstruction to the flow in sewers or other interference with the proper operation of the sewage works.

(6) Any wastes or waters containing suspended or dissolved solids of such character and quantity that unusual attention or expense is required to handle such materials at the sewage treatment plant or in the public sewage works.

(7) Any noxious or malodorous gas or substance capable of creating a public nuisance.

(8) Any waters or wastes having a pH lower than 6.5 or higher than 8.5, or having any other corrosive property capable of causing damage or hazard to structures, equipment, and personnel of the sewage works.

(9) Any water or wastes containing a toxic or poisonous substance such as plating or heat treating wastes in sufficient quantity to injure or interfere with any sewage treatment process, to constitute a hazard to humans or animals, or to create any hazard in the receiving waters of the sewage treatment plant.

(10) Any cyanide greater than 1.0 part per million, as CN.

(11) Any hexavalent chromium greater than 1.0 part per million.

(12) Any trivalent chromium greater than 10 parts per million.

(13) Any copper greater than 1.0 part per million.

(14) Any nickel greater than 1.0 part per million.

(15) Any cadmium greater than 1.0 part per million.

(16) Any zinc greater than 1.0 part per million.

(17) Any phenols greater than 12 parts per million.

(18) Any iron greater than 5 parts per million.

(19) Any tin greater than 1.0 part per million.

(20) Any radioactive wastes greater than allowable releases as specified by current United States Bureau of Standards Handbooks dealing with the handling and release of radioactivity.

(Code 1960, § 17.37)

(a) Where the operation of a person entails the discharge of water or wastes containing toxic or poisonous substances, a written statement or a standard form provided by the city manager setting forth the nature of the operation contemplated or presently carried on shall be filed with the city manager. The statement shall contain the amount of water which will be used and its source, the proposed point of discharge of acid wastes into the sewage system of the city, the estimated amount so to be discharged, and a fair statement setting forth the expected bacterial, physical, chemical, and other known characteristics of such wastes.

(b) Within 30 days of receipt of such statement, it shall be the duty of the city manager to make an order stating such minimum restrictions as in the judgment of the director may be necessary to guard adequately against unlawful uses of the city's sewage works.

(Code 1960, § 17.38)

(a) Grease, oil and sand interceptors shall be provided for the proper handling of liquid wastes containing grease in excessive amounts or any flammable wastes, sand, and other harmful ingredients; except that such interceptors shall be a type and capacity approved by the city manager and shall be located as to be readily and easily accessible for cleaning and inspection.

(b) Grease and oil interceptors shall be constructed of impervious materials capable of withstanding abrupt and extreme changes in temperature. They shall be of substantial construction, watertight, and equipped with easily removable covers which when bolted in place shall be gastight and watertight.

(Code 1960, § 17.39)

Where installed, all grease, oil and sand interceptors shall be maintained by the owner, at his expense, in continuously efficient operation at all times.

(Code 1960, § 17.40)

(a) The admission into the public sewers of any waters or wastes having:

(1) A five-day BOD greater than 300 parts per million by weight;

(2) Containing more than 400 parts per million by weight of suspended solids;

(3) Containing any quantity of substances having the characteristics described in section 82-167; or

(4) Having an average daily flow greater than five percent of the average daily sewage flow of the city;

shall be subject to the review and approval of the director.

(b) Where necessary in the opinion of the director, the owner shall provide, at his expense, such preliminary treatment as may be necessary to:

(1) Reduce the BOD to 300 parts per million and the suspended solids to 400 parts per million by weight;

(2) Reduce objectionable characteristics or constituents to within the maximum limits provided for in section 82-167; or

(3) Control the quantities and rates of discharge of such waters or wastes.

(c) Plans, specifications, and any other pertinent information relating to proposed preliminary treatment facilities shall be submitted for the approval of the director and of the state department of health of the state, and no construction of such facilities shall be commenced until such approvals are obtained in writing.

(Code 1960, § 17.41)

Where preliminary treatment facilities are provided for any waters or wastes, they shall be maintained continuously in satisfactory and effective operation, by the owner at his expense.

(Code 1960, § 17.42)