§ 22-51.10. Certain discharges prohibited except upon approval.

Except as approved by the Sewer Commission, no person shall discharge or cause to be discharged to the Town sewer system any of the following described waters or wastes:

(a) 

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

(b) 

Any waters or wastes which may contain more than 100 parts per million by weight of fat, wax, petroleum, oil or grease or which may contain more than 20 parts per million by weight of floatable oil or which may contain substances which may solidify or become viscous at temperatures between thirty-two degrees and one hundred fifty degrees Fahrenheit (32° and 150° F.).

(c) 

Any garbage that has not been properly shredded to particle size of greater than 1/2 inch in any dimension.

(d) 

Any sewage or waste containing odor-producing substances which exceed limits established by the Department of Environmental Protection.

(e) 

Any radioactive wastes or isotopes, or concentrations thereof, which exceed limits established by the Department of Environmental Protection.

(f) 

Any discharge of phosphates which will interfere with the operation or performance of the treatment plant.

(g) 

Any wastes or material which exerts or causes:

(1) 

Excessive discoloration (such as, but not limited to, dye wastes and vegetable tanning solutions).

(2) 

Unusual concentrations of inert suspended solids (such as, but not limited to, sodium chloride and sodium sulfate).

(3) 

Unusual biochemical oxygen demand (BOD), chemical oxygen demand or chlorine demand and thereby constituting a significant load on the sewage treatment plant.

(4) 

Unusual volume of flow or concentrations of wastes constituting a slug, as defined in § 22-51.20.

(5) 

Overflow from holding tanks or other receptacles storing organic wastes.

(6) 

Sewage with a concentration of pollutants in excess of the following limits. (Note: all metals are to be measured as total metals.)

Pollutant	Concentration: Parts per Million (milligrams per liter)
Arsenic	0.05
Barium	5.0
Boron	5.0
Cyanides	0.1
Fluoride	20
Chromium (total)	1.0
Chromium (Cr +6)	0.1
Magnesium	100
Manganese	5.0
Copper	1.0
Zinc	1.0
Cadmium	0.1
Lead	0.1
Tin	2.0
Silver	0.1
Mercury	0.01
Nickel	1.0

11-22-1983, § 29