No person shall discharge or cause to be discharged any stormwater,
surface water, groundwater, roof runoff, subsurface drainage, uncontaminated
cooling water or unpolluted industrial process waters to any sanitary sewer.
Stormwater and all other unpolluted drainage shall be discharged to
such sewers as are specifically designated as combined sewers or storm sewers
or to a natural outlet approved by the inspector. Industrial cooling water
or unpolluted process waters may be discharged, on approval of the inspector,
to a storm sewer, combined sewer or natural outlet.
No person shall discharge or cause to be discharged any of the following
described waters or wastes to any public sewer:
A. Any gasoline, benzine, naphtha, fuel oil or other flammable
or explosive liquid, solid or gas.
B. Any waters or wastes containing toxic or poisonous solids,
liquids or gases in sufficient quantity, either singly or by interaction with
other wastes, to injure or interfere with any sewage treatment process, to
constitute a hazard to humans or animals, to create a public nuisance or to
create any hazard in the receiving waters of the sewage treatment plant, including
but not limited to cyanides in excess of two (2) milligrams per liter as CN
in the wastes as discharged to the public sewer.
C. Any waters or wastes having a pH lower than five point
five (5.5) or having any other corrosive property capable of causing damage
or hazard to structures, equipment and personnel of the sewage works.
D. Solid or viscous substances in quantities or of such
size capable of causing obstruction to the flow in sewers or other interference
with the proper operation of the sewerage works, such as but not limited to
ashes, cinders, sand, mud, straw, shavings, metal, glass, rags, feathers,
tar, plastics, wood, unground garbage, whole blood, paunch manure, hair and
fleshings, entrails and paper dishes, cups, milk containers, etc., either
whole or ground by garbage grinders.
Where preliminary treatment or flow-equalizing facilities are provided
for any waters or wastes, they shall be maintained continuously in satisfactory
and effective operation by the owner at his expense.