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TOWN STANDARDS FOR PRIVATE SEWAGE DISPOSAL These standards are minimum standards intended to provide adequate facilities for sub -surface disposal of sewage under average usage and general conditions. Where proposed usage or known topographic, soil permeability, drainage or other physical features will produce conditions that are not average or general, these minimum requirements shall be exceeded as deemed necessary by the Health Officer. A. DEFINITIONS 1. Septic Taisc Disposal System: Septic tank disposal system shall mean any system for the private disposal of sewage or other liquid waste including but not limited to a septic tank and disposal fie -Lu. 2. Septic Tank: Septic tank shall mean a watertight tank designed to receive sewage or other liquid waste and to provide sedimentation and partial sludge digestion. 3. Disposal -Field: Disposal field shall mean a system of underground drain or leach lines laid in gravel lined trenches for the purpose of receiving effluent from the septic tank for percolation into the adjoining ground. 4. Diversion Box: Diversion box shall mean a structure designed to permit introduction of septic tank or filter effluent into alternate sections of the disposal field, so that one or more sections of the disposal field may undergo an extended resting period. 5. Dosing Chamber: Dosing chamber shall mean a watertight compartment or structure provided with float controlled automatic pump or auto- matic siphon designed to receive the effluent from the septic tank and fromwhicheffluent will be discharged intermittently in doses to either a filter or to the disposal field. 6. Filter: Filter shall mean a bed of graded filtering material through which septic tank effluent passes prior to its introduction into the disposal field.