(a) Any person, firm or corporation served by a sewer connection which discharges sanitary sewage, industrial wastes, water or other liquids into the wastewater treatment system, which are of unusual strength, volume or character, but acceptable by the City for treatment, shall be subject to an additional surcharge which shall be over and above the rates and charges established by Section 937.09.
(b) The surcharge shall be effective if any or all of the following are exceeded:
(1) A five-day biological oxygen demand (BOD) greater than 300 parts per million (ppm) by weight.
(2) Total suspended solids (TSS) greater than 300 parts per million (ppm) by weight.
(c) The surcharge shall be calculated and billed monthly, based on the results of tests and measurements made by the City effective April 1, 2016:
Additional Surcharge effective July 1, 2016. | |
(1) BOD in excess of 300 mg/l | $0.223/lb of BOD |
(2) TSS in excess of 300 mg/l | $0.342/lb of TSS |
Additional Surcharge effective January 1, 2017 | |
(1) BOD in excess of 300 mg/l | $0.230/lb of BOD |
(2) TSS in excess of 300 mg/l | $0.354/lb of TSS |
Additional Surcharge effective January 1, 2018 | |
(1) BOD in excess of 300 mg/l | $0.238/lb of BOD |
(2) TSS in excess of 300 mg/l | $0.366/lb of TSS |
Additional Surcharge effective January 1, 2019 | |
(1) BOD in excess of 300 mg/l | $0.247/lb of BOD |
(2) TSS in excess of 300 mg/l | $0.379/lb of TSS |
(d) When required by the Director of Public Safety and Service, the owner of any property discharging such wastes shall install a suitable chamber with gauging and sampling equipment in the building sewer to permit observation, sampling and measurement of the wastes from his premises. Such chamber and equipment shall be constructed in accordance with plans approved by the Director and shall be installed by the owner at his expense and shall be maintained by him.
(e) All measurements, tests and analyses of the characteristics of such wastes shall be determined by the City in accordance with the latest edition of "Standard Methods for the Examination of Water and Sewage", as prepared, approved and published jointly by the American Public Health Association, the American Water Works Association and the Water Pollution Control Federation.
(f) The strength of the wastes shall be determined from samples taken at the aforementioned chamber at any period or time and of such duration and in such manner as agreed upon between the owner and the City. The results of routine sampling and analysis by the owner may also be used, in determining the amount of the surcharge after verification by the City. The strength so found by analysis shall be used in determining the amount of the surcharge.
(g) The City shall have the right to enter and set up, on company property, such devices as are necessary to conduct a gauging and sampling operation and to begin such operation without advance notice to the company. While performing the work, the City will observe all safety rules applicable to the premises, established by the company.
Where a company or premises has security measures in force which require proper identification and clearance before entry into the company or premises is granted, such company or premises shall either make the necessary arrangements with their security guards that upon showing proper identification, personnel from the City will be permitted to enter, without delays, for the purpose of obtaining grab samples of wastes being discharged at the various sampling points; or the company or premises shall install suitable gauging and sampling manholes outside the security limits, which manholes will at all times be immediately accessible to City personnel.
(h) If a person, firm or corporation disagrees with the analysis on which the surcharge is based, he or it may request, in writing, additional sampling and analysis which shall be conducted in a manner acceptable to the Director of Safety-Service and the Manager of Wastewater Treatment. The cost of such additional sampling and analysis shall be borne in full by the requestor.
(i) The proposed rates will be re-evaluated every four (4) years with the next evaluation being in 2020 or as needed.
(Ord. 186-2015. Passed 2-1-16.)