13.40.020 Definitions.
For the purpose of this chapter, the following words shall have the following meanings:
A. “Act” or “The Act” means the Federal Water Pollution Control Act, also known as the Clean Water Act, as amended, 33 U.S.C. 1251, et seq.
B. “Applicable pretreatment standards” means for any specified pollutant, the city’s prohibitive discharge standard, city’s specific limitation on discharge, the state of Washington pretreatment standard, or the National Categorical Pretreatment Standard (when effective), whichever is most stringent or applies at the time of issuance of an Industrial Wastewater Acceptance Form (IWA).
C. “City” means the city of Anacortes, through the Anacortes city council.
D. “Categorical pretreatment standards” means national pretreatment standards specifying quantities or concentrations of pollutant or pollutant properties which may be discharged or introduced into a POTW by specific industrial dischargers.
E. “Director” means the person designated by the city to supervise operation of the POTW and who is charged with certain duties and responsibilities by this chapter, or his duly authorized representative.
F. “EPA” means the United States Environmental Protection Agency.
G. “Industrial discharger/user” means any nonresidential user who discharges an effluent into a POTW by means of pipes, conduits, pumping stations, force mains, constructed drainage ditches, intercepting ditches, and all constructed devices and appliances appurtenant thereto.
H. “Industrial waste” means solid, liquid or gaseous waste resulting from any industrial, manufacturing, trade, or business process or from the development, recovery or processing of natural resources.
I. “Interference” means the inhibition or disruption of a POTW’s treatment processes or operations which is a cause of or significantly contributes to either a violation of any requirement of its NPDES permit or to the prevention of sewage sludge use or disposal by the POTW in accordance with all local, state and federal regulations or permits.
J. “New source” means any building, structure, facility, or installation from which there is or may be a discharge, the construction of which commenced:
1. After promulgation of pretreatment standards under Section 307(c) of the Federal Act which are applicable to such source; or
2. After proposal of pretreatment standards in accordance with Section 307(c) of the Act which are applicable to such sources, but only if the standards are promulgated in accordance with Section 307(c) within one hundred twenty days of their proposal.
K. “NPDES” means the National Pollutant Discharge Elimination System permit program of the EPA pursuant to Section 402 of the Act (330 U.S.C. 1342).
L. “Pretreatment” means the reduction of the amount of pollutants, the elimination of pollutants, or the alteration of the nature of pollutant properties in wastewater to a less harmful state prior to or in lieu of discharging or otherwise introducing such pollutants into a POTW.
M. “Pretreatment requirements” means any substantive or procedural requirement related to pretreatment, other than a national pretreatment standard imposed on an industrial user.
N. “Publicly owned treatment works” (POTW) means any sewage treatment works and the sewers and conveyance appurtenances discharging thereto, owned, and operated by the city.
O. “Shall” is mandatory: “May” is permissive.
P. “Significant industrial discharger/user” means any industrial discharger/user of the city’s POTW who:
1. Is subject to or potentially subject to national pretreatment standards promulgated under Section 307(b) or (c) of the Clean Water Act;
2. Contains in their wastes any significant quantities of toxic pollutants as defined pursuant to Section 307 of the Clean Water Act;
3. Has an average daily flow five percent of the daily average flow for the previous month in the city’s POTW; or
4. Is determined by the city to have a significant impact or potential for significant impact, either singly or in combination with other contributing industries, on the POTW, the quality of sludge, the system’s effluent quality, or air emissions generated by the system.
Q. “Sludge load” means any substance released in a discharge at a rate and/or concentration which causes interference to standard operation or use of a POTW.
R. “State” means the state of Washington.
S. “Toxic pollutant” means those substances listed in the federal priority pollutant list and any other pollutant or combination of pollutants listed as toxic in regulations promulgated by the administrator of the Environmental Protection Agency under Section 307 of the Clean Water Act.
T. “Upset” means an exceptional incident in which a discharger unintentionally and temporarily is in a state of noncompliance with the standards set forth in Appendices A and B attached to the ordinance codified in this chapter due to factors beyond the reasonable control of the discharger, and excluding noncompliance to the extent caused by operational error, improperly designed treatment facilities, inadequate treatment facilities, lack of preventive maintenance, or careless or improper operation thereof.
U. “Wastewater” means the liquid and water-carried industrial or domestic wastes from dwellings, commercial buildings, industrial facilities, and institutions, together with any groundwater, surface water, and storm water that may be present, whether treated or untreated, which is contributed into or permitted to enter the POTW. (Ord. 1945 § 1.2, 1984)