§ 86-227. Prohibited and limited discharges.

(a)

Unpolluted waters prohibited. No person shall discharge or cause to be discharged any unpolluted waters such as storm water, ground water, roof rain, subsurface, drainage or collecting water to any sanitary sewer. No sanitary waste shall discharge to a storm sewer. 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 village and other regulatory agencies. Industrial cooling water or unpolluted process waters may be discharged, on approval of the village and other regulatory agencies having jurisdiction, to a storm sewer or natural outlet.

(b)

Prohibited discharges. No person shall discharge or cause to be discharged any of the following described substances into any sanitary sewer:

(1)

Any gasoline, benzene, naphtha, fuel oil, or other flammable or explosive liquid, solid, or gas.

(2)

Any 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 wastewater treatment process, constitute a hazard to humans, flora, or fauna, create a public nuisance, or create any hazard in the receiving waters of the wastewater treatment plant.

(3)

Any substances having a pH lower than 6.0 or higher than 9.0 or having any other corrosive property capable of causing damage or hazard to structures, equipment, and/or personnel operating the wastewater facilities.

(4)

Any solid or viscous substances, in quantities, of such character, or of such size, as to cause partial or total obstruction of the sanitary sewer, or to cause interference with the proper operation of the wastewater facilities such as, but not limited to, ashes, bones, cinders, clay, sand, mud, straw, shavings, metal, glass, rags, feathers, tar, plastics, wood, diapers, rags, wipes, improperly shredded garbage, whole blood, paunch manure, hair and fleshings, entrails, disposable dishes, cups, milk containers, and similar materials, either whole or ground by garbage grinders.

(5)

Any noxious or malodorous solids, liquids, or gases which, either singly or by interaction with other wastes, are capable of creating a public nuisance, or hazard to life, or are, or may be, sufficient to prevent entry into the sanitary sewer for maintenance and repair work.

(6)

Any solids in size, in any dimension, of greater than one-half inch.

(7)

Any pollutants which result in the presence of toxic gases, vapors, or fumes within the wastewater facilities in a quantity that may pose a hazard to the health and safety of wastewater facilities workers.

(8)

Any substances which may cause the wastewater treatment plant to violate the WPDES permit effluent limits or which may cause the sludge produced by the wastewater treatment plant to be in non-compliance with sludge use or disposal criteria.

(c)

Limited discharges. Discharge of the following described substances, materials, liquids, wastewater, waters, or wastes shall be restricted in accordance with the Del-Hart Ordinance:

(1)

Any liquid having a temperature higher than 150°F.

(2)

Wastewater containing more than 25 mg/l of petroleum oil, non-biodegradable cutting oils, or products of mineral oil origin.

(3)

Any wastewater containing fats, wax, grease, or oils, whether emulsified or not, in excess of 100 mg/l or containing substances which may solidify or become viscous at temperatures between 32°F and 150°F.

(4)

Wastewater containing floatable fats, oils, or grease.

(5)

Any garbage that has not been properly shredded or solid material having any dimension greater than one-half inch.

(6)

Wastewater containing any toxic substances including, but not limited to, those listed in Chapter NR 215 of the Wisconsin Administrative Code, in concentrations that exceed levels specified under all applicable state, and federal regulations.

(7)

Wastewater containing pollutants at concentrations exceeding applicable pretreatment standards as listed in Chapters NR 221 through NR 297 of the Wisconsin Administrative Code.

(8)

Wastewater containing any of the following pollutants in concentrations exceeding the indicated limit, based on a 24-hour, flow proportional, composite sample:

Arsenic, Total	0.23 mg/l
Cadmium, Total	0.18 mg/l
Chromium, Total	1.0 mg/l
Copper, Total	2.40 mg/l
Cyanide, Total	0.43 mg/l
Molybdenum, Total	0.4 mg/l
Mercury, Total	0.003 mg/l
Nickel, Total	4.0 mg/l
Selenium, Total	0.5 mg/l
Silver, Total	0.2 mg/l
Zinc, Total	2.6 mg/l
Hexachlorabenzene	0.0016 mg/l
Iodine, Total	1.0 mg/l
Phosphorus, Total	6.0 mg/l
Ammonia-Nitrogen	20.0 mg/l
Chloride	500 mg/l
Phenol	0.1 mg/l

 

(9)

Wastewater containing polychlorinated biphenyls.

(10)

Any substance with objectionable color not removed by the wastewater treatment plant processes, such as, but not limited to, dye wastes and vegetable tanning solution.

(11)

Any radioactive wastes or isotopes of such half-life or concentration as may exceed limits established by all applicable State or Federal Regulations.

(12)

Pollutants which are not treatable by the wastewater treatment plant processes employed, or are untreatable to such a degree that the wastewater treatment plant effluent will not meet the requirements of the WPDES permit.

(13)

Any pollutants which result in the production of odors, in excess of that associated with domestic wastewater, either directly or indirectly by interaction with other pollutants.

(14)

Volumes or concentrations of wastes constituting a slug.

(15)

Any pollutants which, by interaction with other pollutants present in the wastewater in the sanitary sewer, form suspended solids which interfere with the operation of the wastewater facilities, increase the maintenance requirements of the wastewater facilities, or create a condition deleterious to the wastewater facilities structures or processes.

(d)

Grease, oil and sand interceptors. Grease and oil separators and sand interceptors shall be provided, at user's cost, when in the opinion of the commission or the village, they are necessary for the proper handling of liquid wastes containing grease or oil, or any flammable wastes, sand, or other harmful ingredients; except that such interceptors and separators shall not be required for private living quarters or dwelling units. When required, such interceptors and separators shall be installed and maintained in strict compliance with the requirements of the Del-Hart Ordinance.

(e)

"Standard Methods For The Examination of Water and Wastewater" to be used. All measurements, tests and analyses of the characteristics of waters and wastes to which reference is made in this section shall be determined in accordance with the latest edition of "Standard Methods for the Examination of Water and Wastewater," published by the American Public Health Association and 40 CFR 136. Sampling methods, location, times, durations and frequencies are to be determined on an individual basis subject to approval by the manager.

(Ord. No. 786-10, § 1, 12-13-2010)