1. “Ad valorem tax” means the tax levied for the benefit of the city on the assessed value of property within its boundaries.

2. “Assessed value” means that portion of the total assessed value of the property upon which individual city taxes are levied.

3. “BOD” or “biochemical oxygen demand” means the measure of decomposable organic material in domestic or industrial wastewaters as represented by the oxygen utilized over a period of five days at twenty degrees Celsius and as determined by the appropriate procedure in “Standard Methods.”

4. “Chlorine demand” means the difference between the amount of chlorine added to a wastewater sample and the amount remaining at the end of a thirty-minute period as determined by the procedures given in “Standard Methods.”

5. “City” means the city of Montague.

6. “COD” or “chemical oxygen demand” means the measure of chemically decomposable material in domestic or industrial wastewater as represented by the oxygen utilized as determined by the appropriate procedure described in “Standard Methods.”

7. “Discharger” means any person that discharges or causes a discharge to a public sewer.

8. “Dissolved solids” or “dissolved matter” means the solid matter in solution in the wastewater and shall be obtained by evaporation of a sample from which all suspended matter has been removed by filtration as determined by the procedures in “Standard Methods.”

9. “Domestic wastewater” means the water-carried wastes produced from noncommercial or nonindustrial activities and which result from normal human living processes.

10. “Effluent” means the liquid outflow of any facility designed to treat, convey or retain wastewater.

11. “House connection” means the sewer connecting the building sewer or building waste drainage system to the public sewer for the purposes of conveying domestic wastewater.

12. “Industrial connection sewer” means the sewer connecting the building sewer or building waste drainage system to the public sewer for the purpose of conveying industrial wastewater.

13. “Industrial wastewater” means all water-carried waste and wastewater of the community excluding domestic wastewater and uncontaminated water, and shall include all wastewater from any producing, manufacturing, processing, institutional, commercial, agricultural, or other operation where the wastewater discharged includes significant quantities of wastes of nonhuman origin.

14. “Inspector” means a person authorized by the superintendent to inspect wastewater generation, conveyance, processing and disposal facilities.

15. “Gravity separation interceptor” means any facility designed, constructed and operated for the purpose or removing and retaining dangerous, deleterious or prohibited constituents from wastewater by differential gravity separation before discharge to the public sewer.

16. “Lateral sewer,” “collecting sewer” or “main line sewer” mean a public sewer six inches or larger in diameter and used to collect wastewater from house connection and industrial connection sewers and transport it to trunk sewers. Lateral, collecting and main line sewers are built and maintained by the city.

17. “Peak flow rate” means the average rate at which wastewater is discharged to a public sewer during the highest thirty-minute flow period in the preceding twelve months.

18. “Person” means any individual, partnership, committee, association, corporation, public agency, and any other organization or group of persons, public or private.

19. “Public corporation” means this state and any political subdivision thereof, any incorporated municipality of the state or any political subdivision thereof, or any corporate municipal instrumentality of the state.

20. “Public sewer” means any sewer dedicated to public use and whose use is controlled by a public corporation.

21. “Radioactive material” means material containing chemical elements that spontaneously charge their atomic structure by emitting any particles, rays or energy forms.

22. “Sewage” means wastewater.

23. “Sewage pumping plant” means a sewage lift station.

24. “Sewerage” means any and all facilities used for conveying, pumping, treating and disposing of wastewater.

25. “Shall” is mandatory and “may” is permissive.

26. “Solid wastes” means the non-liquid-carried wastes normally considered to be suitable for disposal with refuse at sanitary landfill refuse disposal sites.

27. “Standard Methods” means the current edition of Standard Methods for the Examination of Water and Wastewater, as published by the American Public Health Association.

28. “Superintendent” means the water and sewers superintendent of the city.

29. “Suspended solids” or “suspended matter” means the insoluble solid matter suspended in wastewater that is separable by laboratory filtration in accordance with the procedure described in “Standard Methods.”

30. “Trade secrets” includes but shall not be limited to any formula, plan, pattern, process, tool, mechanism, compound, procedure, production data, or compilation of information which is not patented, which is known only to certain individuals within a commercial concern who are using it to fabricate, produce or compound an article of trade or a service having commercial value, and which gives its user an opportunity to obtain a business advantage over competitors who do not know or use it.

31. “Truck sewer” means a sewer constructed, maintained and operated by the city that conveys wastewater to the city's treatment facilities and into which lateral and collecting sewers discharge.

32. “Uncontaminated water” means any wastewater of the community not contaminated or polluted with wastewater and which is suitable or could readily be made suitable for discharge to the municipal stormwater drainage system.

33. “User” means discharger.

34. “Wastewater” means the water-carried wastes of the community derived from human or industrial sources, including domestic wastewater and industrial wastewater. Rainwater, groundwater or drainage of uncontaminated water is not wastewater. (Ord. 142 § 416, 1976)