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The construction, extension, maintenance and operation of sanitary sewer system, sewers, sewage works, public sewer system, town sanitary sewer system, sewage system and all facilities for collecting, conveying, pumping, treating and disposing of sanitary sewage and industrial waste water shall be under the control of, and subject to the regulation of the Water Pollution Control Authority of the town, hereinafter referred to as WPCA, under the authority of Conn. Gen. Stat., Chapter 103, § 7-246, revision 1958, revised 1979, as amended and in accordance with the power granted the said WPCA by the Charter of the town.
(Ord. 235, adopted 9-4-84; Am. Ord. 397, passed 10-25-99)
For the purpose of this chapter the following definitions shall apply unless the context clearly indicates or requires a different meaning.
"B.O.D. (Denoting Biochemical Oxygen Demand)." The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure for five days at 20°C, expressed in milligrams per liter (mg/l) as described in the most recent edition of Standard Methods for the Examination of Water, Sewage and Industrial Wastes, published by the American Public Health Association, as may be amended from time to time.
"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 OR SEWER CONNECTION." The extension from the building drain to the public sewer, storm sewer or other place of disposal.
"CCF." The volume measure of 100 cubic feet.
"CHECK VALVE." A one-way water/sewage valve which stops sewer backups from entering buildings and structures.
"CHLORINE DEMAND." The amount of chlorine which must be added to water or wastewater to produce a residual chlorine content in such water or wastewater.
"CITY." The City of New Haven.
"COD (CHEMICAL OXYGEN DEMAND)." The quantity of oxygen consumed from a chemical oxidation of inorganic and organic matter present in the water or wastewater, expressed in milligrams per liter (mg/l), as described in the most current edition of Standard Methods for the Examination of Water and Wastewater, published by the American Public Health Association, as such may be amended from time to time.
"COMBINED SEWERS." Any public sewer receiving both sewage and storm and surface waters and drainage.
"COMMERCIAL USER." Any business or establishment which does not meet the definition of industrial producer as defined in this section, or the definition of residential user herein.
"COMPANY." Regional Water Authority, its successors and assigns.
"CONTRACTOR." Any person, partnership, company, corporation, or other entity doing business under this chapter and to whom the Water Pollution Control Authority or its authorized agent shall have issued a permit, together with any and all sub-contractors employed by said principal contractor, suppliers of materials and their agents when on or near the site of work to install and repair sewers and building sewers during the period when such permit is valid.
"COOLING WATER." The water discharged from any system of condensation, air-conditioning, cooling, refrigeration, or other, but shall be free from odor or oil. It shall contain no pollution substances which would produce B.O.D. or suspended solids, each in excess of 10 parts per million by weight.
"CUSTOMERS." Any and all contributors of wastewater to the sewer system.
"DOMESTIC WASTEWATER." Residential-type wastewater which requires no pretreatment under the provisions of this chapter before discharging into the town's sanitary sewer system, excluding all manufacturing and industrial wastewater.
"DRY INDUSTRY." An industry discharging only domestic wastewater into the town's sanitary sewer system, and having no process or manufacturing operation that discharges liquid industrial wastewater of any characteristic into the town's sanitary sewer system.
"ESTABLISHMENT PLANT." Any establishment or plant producing liquid waste, with or without bearing suspended solids, required to be discharged into the town's sanitary sewer system.
"GENERAL MANAGER." The WPCA's engineer and chief of operations and maintenance, shall be the same as the Town Engineer according to the duties and powers assigned to him by the town.
"GROSS REVENUES." All revenues of the sewer fund regardless of source, except for federal and state grants.
"INDUSTRIAL WASTE PRODUCER." Any plant, establishment or industry which discharges industrial waste water resulting from a process or manufacturing operation, whether or not such wastewater is segregated from or combined with domestic wastewater from the plant, establishment, or industry.
"INDUSTRIAL WASTES." Any solid, liquid, or gas discharged, permitted to flow, or escaping from any industrial, manufacturing, commercial, or business establishment or process, or from the development, recovery, or processing of any natural resource.
"INDUSTRIAL WASTEWATER." Any liquid, free-flowing wastewater, including contaminated cooling water, resulting from any industrial or manufacturing process or from the development, recovery or processing of natural resources with or without suspended solids, as distinct from domestic wastewater.
"INSPECTOR." An employee of the town assigned by the Engineer to examine and test material and work proposed to be furnished by the contractor, to observe the construction of the project or any part thereof, to assist the contractor in the interpretation of specifications and methods of construction, to make measurements and keep records for the Engineer, and to report to the Engineer on the performance of the contractor relative to the work, all as and only as instructed by the Engineer. The inspector shall not act as assistant to or foreman for the contractor. Inspectors have no power to waive these specifications, rules, and regulations or to otherwise deviate from the original covenants of the agreement or contract.
"INSTITUTIONAL USER." That class of users not meeting the definition of residential, commercial, or industrial users, and meeting the criteria for nonprofit, tax-exempt status.
"MILLIGRAMS PER LITER (mg/l)." The same as parts per million (ppm), and is a weight-to-volume ratio; when the milligrams-per-liter value is multiplied by the factor 750, an equivalent to units per hundred cubic feet (ccf) of water is obtained.
"NATURAL OUTLET." Any outlet into a watercourse, pond, ditch, lake or other body of surface or groundwater.
"PERMITTEE, PERMIT HOLDER." Any person, firm, association, corporation or trust which owns, operates, possesses or controls an establishment or plant being operated under a valid industrial waste permit to discharge wastewater into the town's sanitary sewer system.
"PERSON or PERSONS." Individuals, firms partnerships, companies and government entities, whether one or more, or a combination of one or more thereof.
"pH VALUE." The logarithm of the reciprocal of the hydrogen ion concentration in grams per liter of solution, i.e. pH=1 log(H+). pH will be determined according to the most current edition of Standard Methods for the Examination of Water and Wastewater, published by the American Public Health Association.
"PRODUCER." Any person, firm, association, corporation or trust which owns, operates, possesses or controls an establishment or plant, whether or not a permittee.
"PUBLIC SEWER." Any sewer owned, constructed, maintained or controlled by the town.
"RESIDENTIAL USER."
(1) Single-family residence: A residential establishment serving a single-family household. In those instances where there is no meter on the water supply to the principal household, separate living quarters will be considered as a separate residence and a separate user charge will be applied.
(2) Duplex residence: A single building equipped for occupancy by two families.
(3) Multiple dwelling units: One or more buildings each equipped for occupancy by three or more families.
"ROAD." That portion of the public right-of-way used for vehicular travel.
"SANITARY SEWER SYSTEM, SEWERS, SEWAGE WORKS, SEWER, PUBLIC SEWER SYSTEM, TOWN SANITARY SYSTEM, TOWN SANITARY SEWER SYSTEM." All facilities for collecting, conveying, pumping, treating and disposing of sanitary sewage and industrial wastewater. For the purpose of this chapter, however, water-courses and storm sewers shall not be included in this definition.
"SEWAGE." A combination of the waterborne wastes from residences, business buildings, institutions and industrial establishments. Any substance, liquid or solid, which may contaminate or pollute or affect the cleanliness or purity of any water.
"SEWER." Any portion of the accepted or approved sanitary sewer system of the town.
"SEWER FUND." The sewer fund of the town.
"SLUG." Any discharge of water or wastewater 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 24-hour concentration or flows during normal operation and shall adversely affect the collection system and/or performance of the wastewater treatment works.
"STANDARD METHODS." The most current edition of Standard Methods for the Examination of Water and Wastewater, published by the American Public Health Association, as it may be amended, a copy of which is on file in the office of the General Manager, New Haven WPCA.
"STORM SEWER." A public sewer which carries storm and surface waters, drainage, groundwater or unpolluted water from any source, but excludes sewage and polluted industrial wastes.
"STREET." The entire width of any dedicated public right-of-way used as a highway.
"TOTAL SUSPENDED SOLIDS (TSS)." Solids measured in milligrams per liter (mg/l) that either float on the surface or are in suspension in water, wastewater, or other liquids, and which are largely removable by a laboratory filtration device, as defined in the most current edition of Standard Methods for the Examination of Water and Wastewater, published by the American Public Health Association, as amended, and referred to as nonfilterable residue.
"TOWN." Town of Hamden, Connecticut.
"TOWN ENGINEER." The Engineer of the town or his or her authorized deputy, agent, representative, or such other person as may be designated by the Mayor of the town, with the approval and the consent of the majority of the Legislative Council.
"TOWN'S SANITARY SEWER SYSTEM." All sanitary sewer systems and extensions or enlargements thereof, owned by the town or in which the town has an equity ownership, and there is specifically included all the systems constructed by persons as that term is defined herein, and which have heretofore or may hereafter be acquired by the town. Included in such definition but not limited to, are the following: Sanitary sewer systems, sewers, sewage works, public sewer, public sewer system, sewage system, sewerage system and all facilities for collecting, conveying, pumping, treating and disposing of sanitary sewage and industrial wastewater.
"UNPOLLUTED WATER." Water of quality equal to or better than the effluent criteria in effect, or water that would not cause violation of receiving water quality standards, and would not be benefitted by discharge to the sanitary sewers and waste water treatment facilities provided.
"USER CHARGE OR TAX." Charges or tax established under this chapter for discharging wastewater into the sanitary sewer system.
"WASTEWATER." See "sewage."
"WATER POLLUTION CONTROL AUTHORITY (WPCA)." The Water Pollution Control Authority of the town as provided by the Charter of the town and the General Statutes of the State of Connecticut.
"WATERCOURSE." A natural or artificial channel in which a flow of water occurs either continuously or intermittently.
"WPCA." The Water Pollution Control Authority of the town as designated by the Town Charter.
(Ord. 235, adopted 9-4-84; Am. Ord. 371, passed 2-3-97; Am. Ord. 397, passed 10-25-99)
This chapter shall govern the construction and installation of all building sewers connected to the public sewer system of the town, including all building sewers constructed and installed pursuant to orders of the Water Pollution Control Authority issued under the General Statutes of Connecticut, all building sewers constructed and installed pursuant to orders issued by other federal, state, or municipal authorities having jurisdiction in the premises, and all building sewers constructed and installed pursuant to federal, state, or municipal statutes, codes, rules, regulations, or ordinances.
(Ord. 235, adopted 9-4-84)
(A) The assessable buildable unit method shall be adopted for direct benefits. The area assessment method shall be adopted for overall area benefits. These two methods will include all costs and assessments.
(1) The assessable buildable unit shall be defined as an existing constructed single-family residence, constructed on an allowable sized lot according to zoning, and which is benefitted by the improvement.
(2) The overall area benefit charge shall be based on the actual square footage of area involved, or 30,000 square feet per buildable unit, whichever is the smaller figure.
(B) Properties which are vacant, either of allowable size, according to zoning, or potentially allowable size, and on which a use has not been established, shall be considered as subject to deferred payment assessment which will be properly documented in the land records to protect the town for future assessments when property is put to use.
(C) Existing uses of properties other than single-family residence will be converted to buildable units for assessment purposes in accordance with the following rules.
(1) Multiple dwellings. One buildable unit for the first unit and thence:
0.25 unit for each additional one-bedroom unit;
0.50 unit for each additional two-bedroom unit;
0.75 unit for each additional three-bedroom unit.
(2) Commercial property. One buildable unit minimum for the first 1500 square feet or less of possible buildable area based on zoning requirements to the maximum of 30% building to lot coverage of the buildable area of the lot, thence 1/15 of a buildable unit for each 100 square feet of additional buildable area.
(3) Manufacturing property. One buildable unit minimum for the first 10,000 square feet or less of possible buildable area based on zoning requirements to the maximum of 50% building to lot coverage of the buildable area of the lot, thence 1/10 of a buildable unit for each 1000 square feet of additional buildable area.
(D) On all shapes and sizes of property, the foregoing rules shall govern insofar as applicable. The Water Pollution Control Authority shall have the discretionary power to apply a method of determining assessable units in all questionable cases.
(E) Rates for assessable buildable units and for overall area benefit charge shall be established by the Water Pollution Control Authority for each assessment district.
(Ord. 235, adopted 9-4-84)
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