It shall be unlawful for any person to place, deposit, or permit to be deposited any human or animal excrement, garbage, or other objectionable waste in any unsanitary manner on public or private property within the Town of Merrimack, or in any area under the jurisdiction of said Town.
It shall be unlawful to discharge to any natural outlet within the Town of Merrimack, or in any area under the jurisdiction of said Town, any wastewater or other polluted waters, except where suitable treatment has been provided in accordance with subsequent provisions of this chapter.
When a public sewer is available, it shall be unlawful to construct or maintain any privy, privy vault, septic tanks, cesspool, or other facility intended or used for the disposal of wastewater, except as hereinafter provided.
A. 
The owner(s) of all houses, buildings, or properties used for human occupancy, employment, recreation, or other purposes, situated within the Town and abutting on any street, alley, or right-of-way in which there is now located a public sanitary sewer of the Town, is hereby required at the owner's expense to install suitable toilet facilities therein, and to connect such facilities directly with the proper public sewer in accordance with the provisions of this chapter and the International Plumbing Code as adopted, within 180 days after date of official notice to do so, provided that said public sewer is within 200 feet of the said building.
B. 
Upon written request from the owner to defer connection to the public sewer, the Town, through the Town Council, may defer the requirement to connect to the public sewer provided the owner meets the following criteria:
(1) 
Has had an inspection performed by a New Hampshire licensed subsurface disposal designer approved by the Town demonstrating the system is properly functioning which has been reviewed and approved by the Health Officer and Public Works Director.
(2) 
The system has received approval by the New Hampshire Department of Environmental Services (NHDES).
(3) 
The system was installed less than 30 years from the time of the request.
A. 
Persons discharging industrial process wastes into the public sewer or Town wastewater treatment facility shall comply with the applicable requirements of the federal (including the National Categorical Pretreatment Standards, as amended) and New Hampshire Department of Environmental Services (NHDES) pretreatment regulations (as amended) in addition to this chapter.
B. 
All industrial and commercial facilities in the Town of Merrimack that will be discharging to the sewer system must complete and submit an industrial wastewater classification survey to the Director. A completed survey must be received by the director within 30 days of the occurrence of any of the following:
(1) 
Receipt of a survey questionnaire with a request for completion and submittal a Town Official;
(2) 
Application for a building permit for initial construction, expansion or remodeling; and/or
(3) 
Change of use of the facility.
C. 
The survey questionnaire must be submitted for review before the building permit is issued.
D. 
All industrial and commercial users shall update their industrial wastewater classification survey on file with the Town of Merrimack whenever significant changes are made in an industrial operation or process. Significant changes include, but are not limited to, an increase or decrease in wastewater volume, changes in the concentration or mass loadings of waste materials or substances, or changes in types of waste discharged to the POTW sewer. The Pretreatment Manager may also require the submittal of a new industrial wastewater discharge application in accordance with § 158-24 as deemed necessary.