(a) 
At least ninety days prior to commencement of their discharge, new sources, and sources that become categorical users subsequent to the promulgation of an applicable categorical standard, shall submit to the city manager an industrial waste discharge permit application.
(b) 
The results of sampling and analysis of the nature and amount required by the categorical standard or by the city manager of regulated pollutants in the discharge from each regulated process shall be reported. The sample type, the amount sampled and the timing of sampling shall be representative of daily wastewater flow patterns.
(Ordinance 395, sec. 1, adopted 7/21/15)
(a) 
Significant industrial users or other persons holding an industrial waste discharge permit shall test, monitor and report the quality of the pollutants entering the city’s collection system at a frequency not less than every six months or as required in the industrial waste discharge permit.
(b) 
A composite sample shall be analyzed for the following parameters and any others required by the industrial waste discharge permit or deemed necessary by the city manager to determine compliance with section 13.04.031: pH, BOD, TSS, O&G, COD and TOC.
(c) 
Monitoring results shall be kept for a minimum of three years and shall be the basis of calculating the wastewater treatment surcharge. Monitoring results shall be reported with each industrial wastewater discharge permit renewal.
(Ordinance 395, sec. 1, adopted 7/21/15)
(a) 
For those abnormal industrial wastes having a COD concentration of 2.25 or more times that of the BOD concentration, the surcharge will be based on the COD category in lieu of the BOD category. Computations of surcharges shall be based on the following formula:
S = 1 + [(BOD - 200) + (TSS - 200) + (4 x O&G - 200)] x 0.001
or
S = 1 + [(0.44 x COD - 200) + (TSS - 200) + (4 x O&G - 200)] x 0.001
S = Surcharge factor used to multiply the amount charged monthly for wastewater service based on flow. BOD, TSS, O&G and COD refer to the concentration of these pollutants measured in mg/l as reported by the permit holder or as measured by the city manager. If the values of any of these pollutants is less than the value of the maximum concentration of normal wastewater, then these values shall be dropped from the above formula used in computing S.
(b) 
All flow rates, BOD, COD, O&G and TSS values used in determination of the surcharge of major wastewater customers shall be reevaluated on an annual basis and shall be adjusted to reflect any increase or decrease in wastewater treatment costs based on the previous year’s experience. However, if there is a major change in the operation to cause changes in value, the values may be increased or decreased during the calendar year based on a study of changes or actual measurements. The permit holder may request an adjustment of surcharge after any self-monitoring report.
(Ordinance 395, sec. 1, adopted 7/21/15)
All pollutant analyses, including sampling techniques, to be submitted as part of a wastewater discharge permit application or report shall be performed in accordance with the techniques prescribed in 40 CFR part 136, unless otherwise specified in an applicable categorical pretreatment standard. If 40 CFR part 136 does not contain sampling or analytical techniques for the pollutant in question, sampling and analyses must be performed in accordance with procedures approved by the EPA.
(Ordinance 395, sec. 1, adopted 7/21/15)
Except as indicated as follows, a permit holder must collect wastewater samples using flow-proportional composite collection techniques. In the event flow-proportional sampling is infeasible, the city manager may authorize the use of time-proportional sampling or a minimum of four grab samples where the user demonstrates that this will provide a representative sample of the effluent being discharged. In addition, grab samples may be required to show compliance with instantaneous discharge limits.
(Ordinance 395, sec. 1, adopted 7/21/15)
(a) 
Each permit holder shall provide an accessible manhole or alternate sampling point acceptable to the city manager at the point or points of connection to the public wastewater collection system which are suitable for obtaining samples of the wastewater discharged. The sampling manhole shall be located on a property line adjacent to public right-of-way or shall be accessible by easement dedicated to the public.
(b) 
Permit holders shall allow the city manager ready access to all parts of the premises for the purposes of inspection, sampling, records examination and copying, and the performance of any additional duties. The city manager shall have the right to enter the premises of any user to determine whether the user is complying with all requirements of this article and any wastewater discharge permit or order issued hereunder.
(Ordinance 395, sec. 1, adopted 7/21/15)
Users subject to the reporting requirements of this article shall retain, and make available for inspection and copying, all records of information obtained pursuant to any monitoring activities required by this article and any additional records of information obtained pursuant to monitoring activities undertaken by the user independent of such requirements. Records shall include the date, exact place, method and time of sampling and the name of persons(s) taking the samples; the dates analyses were performed; who performed the analyses; the analytical technique or method used; and the results of such analyses. These records shall remain available for a period of at least three years.
(Ordinance 395, sec. 1, adopted 7/21/15)