A. 
Unless the context specifically indicates otherwise, the meanings of terms used in this chapter shall be as follows:
BOD (denoting "biochemical oxygen demand")
The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five days at 20º C., expressed in milligrams per liter.
BUILDING DRAIN
That part of the lowest horizontal piping of a drainage system which receives the discharge from soil, waste and other drainage pipes inside the walls of the building and conveys it to the building sewer, beginning five feet (1.5 meters) outside the inner face of the building wall.
BUILDING SEWER
The extension from the building drain to the public sewer or other place of disposal.
COOLING WATER
The water discharged from any system of condensation, air conditioning, cooling, refrigeration or other, but which shall be free from odor and oil. It shall contain no polluting substances which could produce BOD or suspended solids, each in excess of 10 parts per million by weight.
ENGINEER
The Engineer to the Tri-Municipal Sewer Commission or the Engineer to specific sewer districts, sewer improvement areas or other municipal systems of the Town of Poughkeepsie or the Village of Wappingers Falls.
GARBAGE
Solid wastes from the domestic and commercial preparations, cooking and dispensing of food and from the handling, storage and sale of produce.
INDUSTRIAL WASTES
The liquid wastes from industrial manufacturing processes, trade or business as distinct from sanitary sewage.
NATURAL OUTLET
Any outlet into a watercourse, pond, ditch, lake or other body of surface or ground water.
NORMAL SEWAGE
Sewage shall be regarded as normal for the town and the village if analysis shows, by weight, a daily average of not more than 300 parts per million of suspended solids, not more than 240 parts per million of BOD and not more than 50 parts per million of either soluble matter (grease or oil) each per million gallons of daily flow.
PERSON
Any individual, firm, company, association, society, corporation or group.
pH
The logarithm of the reciprocal of the weight of hydrogen ions in grams per liter of solution.
PROPERLY SHREDDED GARBAGE
The wastes from the preparation, cooking and dispensing of food that have been shredded to such a degree that all particles will be carried freely under the flow conditions normally prevailing in public sewers, with no particle greater than 1/2 inch (1.27 centimeters) in any dimension.
PUBLIC SEWER
A sewer in which all owners of abutting properties have equal rights, and which is controlled by public authority.
SANITARY SEWER
A sewer which carries sewage and to which storm- , surface and ground waters are not intentionally admitted.
SEWER
A pipe or conduit for carrying wastewater (sewage).
SLUG
Any discharge of water, wastewater or industrial waste which, in concentration of any given constituent or in quantity of flow, exceeds for any period of duration longer than 15 minutes more than five times the average twenty-four-hour concentration of flows during normal operation.
STORM DRAIN or STORM SEWER
A sewer which carries storm- and surface waters and drainage, but excludes wastewater and industrial wastes, other than unpolluted cooling water.
SUBDIVISION
The division of any parcel of land into two or more lots, plots, sites or other divisions of land for immediate or future sale for building development in such a way as to create one or more new streets.
SUPERINTENDENT
The Superintendent of Wastewater Facilities of the Town of Poughkeepsie or Village of Wappingers Falls or the authorized deputy or agent of the Tri-Municipal Sewer Commission.
SUSPENDED SOLIDS
Solids that either float on the surface of or are in suspension in water, sewage or other liquids and which are removable by laboratory filtering.
TOWN
The Town of Poughkeepsie, Dutchess County, New York.
UNPOLLUTED WATER OR WASTE
Any water or waste containing none of the following: free or emulsified grease, or oil, acid or alkali, phenols or other substances imparting taste or odor in receiving waters; toxic or poisonous substances in suspension, colloidal state or solution; noxious or odorous gases. It shall contain not more than 10,000 parts per million by weight of dissolved solids of which not more than 2,500 parts per million shall be as chlorides with permissible volumes subject to review by the Engineer, and not more than 10 parts per million each of suspended solids and BOD. The color shall not exceed 50 parts per million.
VILLAGE
The Village of Wappingers Falls, Dutchess County, New York.
WASTEWATER, DOMESTIC
Wastewater derived principally from dwellings, office buildings, institutions and the like. It may or may not contain groundwater, surface water, or stormwater.
WASTEWATER FACILITIES or SEWAGE WORKS
The structures, equipment and processes that collect, carry away and treat domestic and industrial wastes and dispose of the effluent.
WASTE WATER, SANITARY or SANITARY SEWAGE
(1) 
Domestic wastewater with storm- and surface water excluded.
(2) 
Wastewater discharging from the sanitary fixtures of dwellings (including apartment houses and hotels), office buildings, industrial plants or institutions.
(3) 
The water supply of a community after it has been used and discharged into a sewer.
WASTEWATER or SEWAGE
The spent water of a community. From the standpoint of source, it may be a combination of the liquid and water-carried wastes from residences, commercial buildings, industrial plants and institutions, together with any groundwater, surface water and stormwater that may be present.
WASTEWATER TREATMENT WORKS (formerly "sewage treatment plant")
(1) 
An arrangement of devices and structures for treating wastewater, industrial wastes and sludge.
(2) 
A water pollution control plant.
WATERCOURSE
A channel in which a flow of water occurs, either continuously or intermittently.
B. 
For the purposes of this chapter, the word "shall" is mandatory and the word "may" is permissive.