Section Env-Wq 708.19 - WWTP Outfalls(a) Provision shall be made for effective dispersion of the effluent into the receiving water body so as to meet the water quality criteria as specified in Env-Wq 1700.(b) The outfall pipe outlet(s) shall be submerged at all times.(c) The outfall pipe shall be so constructed and protected against the effects of flood water, tides, ice, or other hazards as to reasonably ensure its structural stability and freedom from stoppage.(d) Outfall pipes shall not impede or otherwise interfere with navigation.(e) A manhole shall be provided at the shore end of all gravity outfall sewers extending into the receiving stream.(f) Outfall pipe and fittings shall be constructed of ductile iron, HDPE, or PVC material.(g) All ductile iron pipe shall be corrosion protected if installed in a corrosive environment that could reduce the typical life expectancy of the pipe.N.H. Code Admin. R. Env-Wq 708.19
Adopted byVolume XXXIV Number 46, Filed November 13, 2014, Proposed by #10693, Effective 10/15/2014, Expires10/15/2024.