Township of East Whiteland, PA Article VI Permissible Discharges

§ 154-80 Waters not permitted.

A. No roof drainage, cellar, surface water, waste from hydrants or ground water from underground drainage fields shall be admitted or be permitted to drain into the sewer system. The sewer system is intended to convey sanitary sewage and permitted wastes only.

B. No person shall discharge or cause to discharge any stormwater, surface water, foundation drain water, groundwater, roof runoff, subsurface drainage drainage cooling water or unpolluted industrial or unpolluted commercial process water into any sewer. All connections which would result in the discharge of infiltration or inflow are hereby specifically prohibited.

§ 154-81 Industrial discharge.

Except as otherwise provided in this Part 2, all industrial users shall comply with the requirements of Article VII.

§ 154-82 Other prohibited wastes and waters.

Except as otherwise provided in these rules and regulations, no person shall discharge or cause to be discharged any of the following described wastes or waters into the sewer system:

A. Any liquid or vapor having a temperature higher than 150º F.

B. Any water or waste containing more than 100 ppm by weight of fats, oils, or greases.

C. Any liquids, solids or gases which by reason of their nature or quantity are, or may be, sufficient either along or by interaction with other substances to cause fire or explosion or be injurious in any other way to the sanitary sewer system or the treatment plant or to the operation of same. At no time shall two successive readings on an explosion hazard meter, at the point of discharge into the system (or at any point in the system) be more than 5%, nor any single reading over 10%, of the lower explosive limit (LEL) of the meter. Prohibited materials include, but are not limited to, gasoline, kerosene, naphtha, benzene, toluene, xylene, ethers, alcohols, ketones, aldehydes, peroxides, chlorates, perchlorates, bromates, carbides, hydrides and sulfides and any other substances which the Township, the Authority, the Commonwealth of Pennsylvania or EPA has notified the User is a fire hazard or a hazard to the system.

D. Any noxious or malodorous gas or substance which, either singly or by interaction with other wastes, shall be capable of creating a public nuisance or hazard to life or of preventing entry into any sewer or the sewage treatment plant for maintenance and repair.

E. Any ashes, cinders, sand, mud, straw, shavings, metal, glass, rags, bones, feathers, tar, plastic, wood, paunch manure, butcher's offal, whole blood, bentonite, lye, building materials, rubber, hair, leather, porcelain, china, ceramic wastes, asphalt, paint, waxes or any other solid or viscous substance which shall be capable of causing obstruction to the flow in any sewer or other interference with the proper operation of the sewer system or the sewage treatment plant.

F. Any water or waste having a pH lower than 6.0 or higher than 9.0 or having any corrosive property capable of causing damage or hazard to structures or equipment of the sewer system or the sewage treatment plant or to personnel engaged in operation and maintenance thereof.

G. Any water or waste containing any toxic substance in quantity sufficient to constitute a hazard to humans or animals or to interfere with the biochemical processes of the sewage treatment plant or that will pass through the sewage treatment plant in such condition so that it will exceed state, federal or other existing valid requirements for the receiving stream.

H. Any water or waste containing suspended solids of such character and quantity that unusual attention or expense shall be required to handle such water or waste at the sewage treatment plant.

I. Any toxic radioactive isotopes, except by special permission of this Township.

J. Any drainage from building construction.

K. Any garbage that has not been ground to such a degree that all particles will be carried freely in suspension under flow conditions normally prevailing in the sanitary sewers, with no particles under any circumstance, greater than 1/2 inch in any dimension.

L. Containing color from any source that when diluted with distilled water 1:10 will have a luminescence of 10% or better and a purity of 90% or less, at its dominant wave length by the tristimulus method.

M. Having a chlorine demand in excess of 12 mg/l.

N. Prohibited by any permit issued by the Commonwealth of Pennsylvania, or by the U.S. Environmental Protection Agency or any other federal agency.

O. Containing wastes which are not amenable to biological treatment or reduction in existing treatment facilities, specifically nonbiodegradable complex carbon compounds.

P. Quantities of flow or concentrations, or both, which constitute a "slug" as defined in this Part 2.

Q. Any waters which are used for the purpose of diluting wastes which would otherwise exceed applicable maximum concentration limitations.

R. Ammonia nitrogen in such an amount that would cause the Authority to be in noncompliance with regulations of the Commonwealth of Pennsylvania.

S. Wastes containing more than 10 milligrams per liter of hydrogen sulfide, sulfur dioxide, nitrous oxide, or any of the halogens.

§ 154-83 Traps and interceptors required for certain users.

A. Gas stations and garages are required to provide oil interceptor approved by the Authority, in the proper location, where the dangerous liquids are to be intercepted.

B. Restaurants are required by the Authority to provide grease interceptors of the type Series J of the Josam Manufacturing Company or equivalent.

C. Grease, oil, and sand interceptors, and oil reclaimers shall be provided when, in the opinion of the Authority, they are necessary for the proper handling of liquid wastes, sand, and other harmful ingredients; hair traps shall be provided for all barbershops and beauty parlors; except that such interceptors shall not be required for private living quarters or dwelling units. All interceptors shall be of a type and capacity approved by the Authority, and shall be located as to be readily and easily accessible for cleaning and inspection. User shall submit certified quarterly report for grease and/or oil interceptors cleanup operation and shall include the location where the material is being disposed of.

§ 154-84 Stormwater drainage.

Stormwater and all other unpolluted drainage shall be discharged to such sewers as are specifically designated as storm sewers, or to a natural outlet approved by the Authority.

§ 154-85 Authority's right to waive requirements.

Nothing contained in this article shall be construed as prohibiting any special agreement or arrangement between this Authority and any person whereby wastes of unusual strength or character may be admitted into the sewer system by this Authority, either before or after preliminary treatment.