Chapter 5 — REGULATIONS

5-6400 - PROHIBITION ON DISCHARGES.

No person shall discharge to a public sewer or storm drainage system wastes which cause, threaten to cause, or are capable of causing either alone or by interaction with other substances:

(a)

A fire or explosion;

(b)

Obstruction of flow in sewer system or injury of the system or damage to the wastewater collection, treatment or disposal facilities;

(c)

Danger to life or safety of personnel;

(d)

A nuisance or prevention of the effective maintenance or operation of the sewer system, through having a strong or unpleasant odor;

(e)

Air pollution by the release of toxic or malodorous gases or malodorous gas-producing substances;

(f)

Interference with the wastewater treatment process;

(g)

Effluent or any other product of the treatment process, residues, sludges or scums to be unsuitable for reclamation and reuse or to interfere with the reclamation process;

(h)

A detrimental environmental impact or nuisance in the waters of the State, or a condition unacceptable to any public agency having regulatory jurisdiction over the agency;

(i)

Discoloration or any other condition in the quality of the treatment works effluent in such a manner that receiving water quality requirements established by law cannot be met;

(j)

Conditions at or near the treatment works which violate any statute or any rule, regulation or ordinance of any public agency or State or Federal regulatory body;

(k)

Quantities or rates of flow which overload the County or City of Stockton's collection or treatment facilities or cause excessive County or City of Stockton collection or treatment costs, or may use a disproportionate share of the County or city's facilities.

(Ord. 3994 § 1 (part), 1998)

5-6401 - PROHIBITION ON STORM WATER AND GROUND WATER.

Storm water, ground water, rain water, street drainage, subsurface drainage, roof runoff, surface water, yard drainage, or any nonpolluted water shall not be discharged through direct or indirect connections to a sanitary sewer unless a permit is issued by the County. The County and treatment works owner may approve the discharge of such water only when no reasonable alternative method of disposal is available.

If a permit is granted for the discharge of such water into a sanitary sewer, the user shall pay the applicable user charges and fees and meet such other conditions as required by the County.

(Ord. 3994 § 1 (part), 1998)

5-6402 - PROHIBITED ON UNPOLLUTED WATER.

Unpolluted water including, but not limited to, irrigation condensing coil cooling water, process water, blow- down from cooling towers, or evaporative coolers shall not be discharged through direct or indirect connection to a sanitary sewer unless a permit is issued by the County. The County may approve the discharge of such water only when no reasonable alternate method of disposal is available.

If a permit is granted for the discharge of such water into a public sewer, the user shall pay the applicable user charges and fees and shall meet such other conditions as required by the County.

(Ord. 3994 § 1 (part), 1998)

5-6403 - LIMITATIONS ON RADIOACTIVE WASTES.

No person shall discharge or cause to be discharged any radioactive waste into a public sewer except:

(a)

When the person is authorized to use radioactive materials by the State Department of Health or other governmental agency empowered to regulate the use of radioactive materials; and

(b)

When the waste is discharged in strict conformity with current California Radiation Control Regulations and the Atomic Energy Commission regulations and recommendations for safe disposal; and

(c)

When the person is in compliance with all rules and regulations of all other applicable regulatory agencies.

(Ord. 3994 § 1 (part), 1998)

5-6404 - COMMERCIAL GARBAGE GRINDERS.

A wastewater discharge permit shall be obtained for disposal of waste from garbage grinders or garbage disintegrating machines except for those installed in dwellings.

(Ord. 3994 § 1 (part), 1998)

5-6405 - LIMITATIONS ON THE USE OF GARBAGE GRINDERS.

Waste from garbage grinders shall not be discharged into a sanitary sewer except:

(a)

Wastes generated in preparation of food normally consumed on the premises; or

(b)

Where the user has obtained a permit or that specific use from the County, and agrees to undertake whatever self-monitoring is required to enable the County to equitably determine the user charges based on the waste constituents and characteristics. Such grinders must shred the waste to a degree that all particles

will be carried freely under normal flow conditions prevailing in the public sewer. Garbage grinders shall not be used for grinding plastic, paper products, inert materials, garden refuse, human, animal or fowl constituents and metals. Excessive or unnecessarily large quantities of water shall not be used to flush ground garbage into the sanitary sewer.

(Ord. 3994 § 1 (part), 1998)

5-6406 - GREASE INTERCEPTORS.

(a)

Any type of business or establishment such as, but not limited to, restaurants, bakeries, donut shops, takeout or drive-in eating establishments, ice cream or milk drive-in stations, hospitals, hotels, markets, recreation or reception halls, etc., where any grease or other objectionable materials may be discharged into a public or private sewage main or disposal system shall have a grease interceptor.

(b)

Interceptors shall be constructed in accordance with the design approved by the Environmental Health Division.

(c)

Each grease interceptor shall be so installed and connected that it shall be at all times easily accessible for inspection, cleaning and removal of the intercepted grease. A grease interceptor may not be installed in any part of a building where food is handled. Proper location of the grease interceptor shall meet the Plumbing Code.

(d)

Each business establishment for which a grease interceptor is required shall have an interceptor, which shall serve only that business establishment.

(e)

Buildings remodeled for use requiring interceptors shall be subject to those regulations.

(f)

Waste discharge from fixtures and equipment in the abovementioned types of establishments which may contain grease or other objectionable materials including, but not limited to, scullery sinks, pot and pan sinks, dishwashers, food waste disposals, soup kettles, etc., and floor drains located in areas where such objectionable materials may exist, may be drained into the sanitary waste through the interceptor when approved by the Director. Exception: toilets, urinals and other fixtures containing fecal material may not flow through the interceptor.

(g)

The interceptors shall be maintained in efficient operating condition by periodic removal of the accumulated grease. No such collected grease shall be introduced into any drainage piping or public or private sewer.

(h)

Abandoned grease interceptors shall be emptied and filled as required for abandoned septic tanks in the Uniform Plumbing Code.

(i)

The cover for grease interceptors shall be one-half inch thick steel plate reinforced to withstand any applied load. Except as otherwise provided, the cover shall be gas-tight on all interceptors and the waste shall enter the interceptor through the inlet pipe only.

(j)

Interceptors shall be installed in such a manner that drainage from areas outside the area intended to be served may not enter.

(Ord. 3994 § 1 (part), 1998)

5-6407 - LIMITATIONS ON POINT OF DISCHARGE.

No person shall discharge any substance directly into a manhole or other opening in a public sewer other than through an approved building sewer, without written application by the user and payment of the applicable user charges and fees and approval of the County, the County issues a permit for such direct discharges.

(Ord. 3994 § 1 (part), 1998)

5-6408 - HOLDING TANK WASTE.

A user proposing to discharge holding tank waste into a sanitary sewer must secure a permit. Unless allowed by the County under the terms and conditions of a permit, a separate permit must be secured for each separate discharge. This permit will state the specific location of discharge, the time of day the discharge is to occur, the volume of the discharge, and the wastewater constituents and characteristics. If a permit is granted for the discharge of such waste into a sanitary sewer, the user shall pay the applicable user charges and fees and shall meet such other conditions as required by the County.

(Ord. 3994 § 1 (part), 1998)

5-6409 - SPECIFIC POLLUTANT LIMITS.

No person shall discharge wastewater containing in excess of: