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Article 6
Sec 7.06.001
Definitions

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SANITARY SEWER means a sewer designed to convey liquid and water#carried wastes from residences, commercial buildings, industrial plants, and institutions to a wastewater treatment plant. A sanitary sewer may also carry minor quantities of ground, storm and surface waters.

SEVERE PROPERTY DAMAGE means substantial physical damage to property, damage to the treatment facilities which causes them to become inoperable, or substantial and permanent loss of natural resources which can reasonably be expected to occur in the absence of a bypass. Severe property loss as it pertains to an industrial user does not mean economic loss caused by delays in production.

SEWAGE, sometimes referred to as wastewater, means the liquid and water carried domestic or nondomestic wastes from residences, commercial buildings, industrial facilities, institutions and other sources, together with any groundwater, surface water, and stormwater that may be present.

SEWER shall mean pipe or conduit that carries wastewater or drainage water.

SIGNIFICANT INDUSTRIAL USER (SIU) means a) an industrial user subject to categorical pretreatment standards; or b) any other industrial user that i) discharges an average of 25,000 gallons per day or more of process waste water into the POTW, or ii) contributes a process wastestream which makes up five percent (5%) or more of the average dry weather hydraulic or organic capacity of the treatment plant, or iii) is designated as significant by the Director on the basis that the industrial user has a reasonable potential for adversely affecting the POTW's operation or for violating any pretreatment standard or requirement. A user which meets the criteria of subsection b) may, nevertheless, be designated as a non-SIU upon a finding, in accordance with 40 CFR 403.3(t)(2) and 403.8(f)(6), that the user has no reasonable potential for adversely affecting the POTW's operation or violating any pretreatment standard or requirement.

SLUG means any discharge of a non-routine, episodic nature, including but not limited to an accidental spill or a non-customary batch discharge.

SPECIFIC POLLUTANT LIMITATIONS means pollutant discharge limitations set forth in Section 7.06.007 of this Article. Specific Pollutant Limitations are separate and distinct from Local Limits which may be developed from time to time pursuant to 40 CFR 403.5(c), as may be amended from time to time. Specific Pollutant Limitations are discharge limits established to protect the POTW treatment plant; the sewers, pipes and conveyances which convey wastewater to a POTW treatment plant; and POTW worker health and safety. Specific Pollutant Limitations may be as stringent as, or more stringent than, Local Limits which may be developed from time to time.

STANDARD LABORATORY METHODS mean methods of analysis and testing as outlined in 40 CFR Part 136, as may be amended from time to time.

STATE means the State of Missouri.

STORM DRAIN (sometimes termed "storm sewer") means a drain or sewer for conveying stormwater, groundwater, subsurface water, or unpolluted water from any source.

STORM WATER means any flow occurring during or following any form of natural precipitation and resulting therefrom.

SUSPENDED SOLIDS means the total suspended matter that either floats on the surface of, or is in suspension in, water, wastewater, or other liquids, and that is removable by laboratory filtering as prescribed in 40 CFR Part 136, as may be amended from time to time; also referred to as nonfilterable residue.

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UNACCEPTABLE CREDIT RISK means any account that has received two shut off notices within the previous 12-month period, or any account for which an unsatisfactory credit or payment rating has been reported to the City by an outside credit reporting agency.

UNPOLLUTED WATER is water which does not contain any pollutants.

USER means any person who contributes, causes or permits the contribution of wastewater into the City's POTW, either directly or by indirect sewer discharge.

WASTEWATER, sometimes referred to as sewage, means the liquid and watercarried domestic or nondomestic wastes from residences, commercial buildings, industrial facilities, institutions, and other sources, together with any groundwater, surface water, and stormwater that may be present.

WASTEWATER TREATMENT PLANT, OR TREATMENT PLANT, means that portion of the POTW designed to provide treatment of wastewater.

WATERS OF THE STATE means all rivers, streams, lakes and other bodies of surface and subsurface water lying within or forming a part of the boundaries of the State which are not entirely confined and located completely upon lands owned, leased or otherwise controlled by a single person or by two (2) or more persons jointly or as tenants in common. These waters also include waters of the United States lying within or adjacent to the State.

B. The following abbreviations shall have the designated meaning:

BOD = Biochemical Oxygen Demand
CFR = Code of Federal Regulations
COD = Chemical Oxygen Demand
CSR = Code of State Regulations
EPA = U.S. Environmental Protection Agency
gpd = Gallons per day
1 = Liter
MDNR = Missouri Department of Natural Resources
mg = Milligrams
mg/l = Milligrams per liter
NPDES = National Pollutant Discharge Elimination System
O&M = Operation and Maintenance
POTW = Publicly Owned Treatment Works
RCRA = Resource Conservation and Recovery Act
RSMo = Revised Statutes of Missouri
SIC = Standard Industrial Classifications
SIU = Significant Industrial User
SWDA = Solid Waste Disposal Act
USC = United States Code
WPC = Water Pollution Control Department

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