12.12 of this title that the director determines has caused, alone or in combination with

other discharges, interference or pass through, including endangering the health of POTW personnel or the general public;

(d) Any discharge of a pollutant that has caused imminent endangerment to the public or to the environment, or has resulted in the director's exercise of its emergency authority to halt or prevent such a discharge;

(e) Failure to meet, within ninety days of the scheduled date, a compliance schedule milestone contained in an individual wastewater discharge permit or enforcement order for starting construction, completing construction, or attaining final compliance;

(f) Failure to provide within forty-five days after the due date, any required reports, including baseline monitoring reports, reports on compliance with categorical pretreatment standard deadlines, periodic self-monitoring reports, and reports on compliance with compliance schedules;

(g) Failure to accurately report noncompliance; or

(h) Any other violation(s), which may include a violation of best management practices, which the director determines will adversely affect the operation or implementation of the local pretreatment program.

"Sludge" means the settleable solids segregated from liquid during wastewater treatment.

"Slug load" or "slug discharge" means any discharge at a flow rate or concentration, which could cause a violation of the prohibited discharge standards in Section 12.12.020 of this title. A slug discharge is any discharge of a nonroutine, episodic nature, including but not limited to an accidental spill or a noncustomary batch discharge, which has a reasonable potential to cause Interference or pass through, or in any other way violate the POTW's regulations, local limits or permit conditions.

"Storm sewer" means a sewer that is designed to carry stormwater and surface water, or drainage.

"User" or "industrial user" means a source of indirect discharge.

"User classification" means a classification of user based on the North American Industry Classification System (NAICS), prepared by the United States Executive Office of Management and Budget.

"Waste" means domestic 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 or related to any producing, manufacturing or processing operation of whatever nature, including such waste placed within containers of whatever nature prior to, and for purposes of, disposal.

"Wastewater" means liquid and water-carried industrial wastes and sewage from residential dwellings, commercial buildings, industrial and manufacturing facilities, and institutions, whether treated or untreated, which are contributed to the POTW.

"Wastewater constituents and characteristics" means the individual chemical, physical, bacteriological and radiological parameters, including volume and flow rate and such other

parameters that serve to define, classify or measure the contents, quality, quantity and strength of wastewater.

"Waters of the state" means any water, surface or underground, including saline waters within the boundaries of the state.

"Wastewater treatment plant" or "treatment plant" means that portion of the POTW which is designated to provide treatment of municipal sewage and industrial waste, and production of recycled water for reuse. Also known as the Sunnyvale Water Pollution Control Plant. (Ord. 2490-94 § 1; Ord. 2661-01 § 2; Ord. 2896-09 § 4; Ord. 2952-11 § 1; Ord. 3062-15 § 2)