14.16.470 Other implementing provisions—Outlined.

(A) Industrial Parks Notification. All owners of industrial parks are required to notify the city, at least annually, of all changes in tenancy and any known changes in industrial operations among their tenants.

(B) Notice of Violation. Whenever the city manager or his designee finds that discharge of any waste is, or threatens to become, a public nuisance or a violation of established requirements, including but not limited to this title, other ordinances and resolutions, he may issue an order specifying such nuisance, violations, or threatened violations, and ordering compliance within the time schedule specified therein. Noncompliance with such order shall constitute a violation of this title.

(C) Serious and Immediate Hazards. Notwithstanding the provisions of any other section of this title, whenever in the judgment of the city manager or his designee, it appears that any waste discharge is causing any condition constituting a hazard to the life, health or safety of any person, or the sewage system, the city manager or his designee is empowered to terminate service immediately.

(D) Sampling Facilities. The discharger of any industrial waste shall, at his own expense, install sampling manhole and other metering and monitoring equipment to facilitate observation, sampling, and measurement of the discharger's waste. Such sampling facility shall be acceptable to the city manager or his designee for the purposes required, shall be safely located, accessible at all times and constructed in a manner and with materials in conformance with city regulations. These facilities shall be maintained in good condition at all times by the discharger at his expense. Sampling facilities shall be installed within ninety days after notice by the city manager or his designee.

(E) Maintenance of Pretreatment Facilities. Where pretreatment facilities are provided for any waters or wastes, they shall be maintained continuously in satisfactory and effective operation by the owner at his expense and to the satisfaction of the city.

(F) Interceptors Required. Grease, oil and sand interceptors shall be provided when, in the opinion of the city manager or his designee, they are necessary 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 not be required for building used for residential purposes. All interceptors shall be of a type and capacity approved by the city manager or his designee, and shall be so located as to be readily and easily accessible for cleaning and inspection. Domestic waste from toilets, urinals, wash basins or any fixture receiving fecal material shall not flow through the removal device.

(G) Maintenance of Interceptors. All grease, oil and sand interceptors shall be maintained by the owner, at his expense, in continuously efficient operation at all times. (Emulsifying chemicals may not be used to dissolve grease.)

(H) Measurements and Tests. All measurements, tests and analysis of the characteristics of waters and wastes to which reference is made in this title shall be determined in accordance with the test procedures found in 40 (Lit Part 136 and amendments thereto whenever applicable. If the 40 CFR procedures must be approved by the EPA. Analysis shall be determined from samples collected at a predetermined manhole or other sampling location (i.e., control manhole, end of process, end of pipe, or other location) identified and approved by the city manager. In the event that no special sampling location or manhole has been required, the control manhole shall be considered to be the nearest downstream manhole in the public sewer to the point at which the side sewer is connected.

(I) Special Agreements. No statement contained in this chapter shall be construed as preventing any special agreement or arrangement between the city and any industrial user concern whereby an industrial waste of unusual strength or character may be accepted by the city for treatment, subject to payment therefore by the industrial concern and subject to such terms and conditions as might be required by city. This agreement of waiver does not preclude any National Categorical Pretreatment Standard or requirement, or local limits.

(J) Changes in Pretreatment and Waste Discharge Requirements.

(1) The provisions contained in this chapter relating to pretreatment and to prohibited waste discharges and as to limitations and restrictions on waste discharges are subject to regulations by state and federal authorities and are subject to the terms and conditions of the National Pollution Discharge Elimination System Permit heretofore issued to the city and/or American Canyon Napa Wastewater Authority (NAC). Should the state and federal regulations be modified or should amended, the requirements of this title shall be suspended to the extent that such standards shall be immediately applicable upon the effective date of such state or federal regulations or of the amendment to the national pollution discharge elimination system permit.

(2) Pursuant to Section 307(b) Clean Water Act (33 U.S.C. 1251 et seq.), as amended, all pretreatment for incompatible pollutants discharged at each industrial plant site to the public sewer shall be consistent with federal categorical pretreatment standards.

(K) Notice to Employees. In order that employees of users be informed of city requirements, users shall post in a conspicuous place and make available to their employees, copies of these regulations together with such other wastewater information and notices which may be furnished by the city from time to time directed toward more effective water pollution control.