No person shall discharge or cause to be discharged any unpolluted
waters, such as stormwater, groundwater, roof runoff, subsurface drainage,
or cooling water, to any sanitary sewer.
Stormwater shall be discharged to such sewers as are specifically
designated storm sewers or to a natural outlet approved by the Department.
Unpolluted industrial cooling water or process waters may be discharged,
on approval of the Department or other regulatory agencies, to a storm
sewer or natural outlet.
No person shall discharge or cause to be discharged any of the
following described waters or wastes to any public sewers:
A. Any gasoline,
benzene, naptha, fuel oil or other flammable or explosive liquid,
solid or gas.
B. Any waters
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 waste treatment process, constitute a hazard
to humans or animals, create a public nuisance, or create any hazard
in the receiving waters of the wastewater treatment plant.
C. Any waters
or wastes having a pH lower than 5.5 or greater than 9.0 or having
any other corrosive property capable of causing damage or hazard to
structures, equipment, and personnel of the wastewater works.
D. Solid
or viscous substances in quantities or of such size capable of causing
obstruction to the flow in the sewers or other interference with the
proper operation of the wastewater facilities, such as, but not limited
to, ashes, bones, cinders, sand, mud, straw, shavings, metal, glass,
rags, feathers, tar, plastics, woods, unground garbage, whole blood,
paunch manure, hair and fleshings, entrails and paper dishes, cups,
milk containers, etc., either whole or ground by garbage grinders.
No person shall discharge or convey, or permit or allow to be
discharged or conveyed, to a public sanitary sewer any wastewater
containing incompatible pollutants of such character or quality that
will:
A. Violate pretreatment standards.
B. Cause the wastewater treatment works to violate its SPDES permit
requirements.
C. Violate the provisions of this chapter or other applicable laws,
rules or regulations.
D. Not be susceptible to treatment or interfere with the process or
efficiency of the treatment system.
The following are maximum concentrations of pollutants allowable
in wastewater discharges to the wastewater treatment system. Dilution
of any wastewater discharge for the purpose of satisfying these requirements
shall be considered a violation of this chapter.
Contaminant
|
Maximum Concentration for Oakfield WWTF
(mg/l)
|
---|
Copper
|
0.1
|
Zinc
|
0.5
|
Lead
|
0.1
|
Boron
|
1.0
|
Chromium
|
3.0
|
Nickel
|
0.5
|
Cyanides
|
2.0
|
Sodium chloride
|
10,000
|
Free oil
|
50
|