Title 119 - Nebraska Department of Environmental Quality

Chapter 1 - GENERAL; DEFINITIONS

001 Scope and Purpose. These regulations are promulgated in implementation of the National Pollutant Discharge Elimination System (NPDES)created by the Clean Water Act, 333 U.S.C. 1251 et seq. as the act existed on September 1, 2001.

002 Availability of Information.
003 Adoption and incorporation by reference.
004 004 Servability and Financial Assurance.
005 Definitions. When used in this Title, the following terms have the meaning given in this chapter.

006 "7-day average" the arithmetic mean of pollutant parameter values for samples collected in a period of seven consecutive days.

007 “30-day average" the arithmetic mean of pollutant parameter values of samples collected in a period of 30 consecutive days.

008 "Administrator" means the Administrator of the United States Environmental Protection Agency.

009 “Animal feeding operation” means a location where beef cattle, dairy cattle, horses, swine, sheep, poultry or other livestock have been are, or will be stabled or confined and fed or maintained for a total of forty-five days or more in any twelve-month period and crops, vegetation, forage growth, or post-harvest residues are not sustained in the normal growing season over any portion of the location. Two or more animal feeding operations under common ownership are deemed to be a single animal feeding operation if they are adjacent to each other or if they utilize a common area or system for the disposal of livestock waste. Animal feeding operation does not include aquaculture.

010 "Applicable standards and limitations" means all State and federal standards and limitations to which a discharge, a sewage sludge use or disposal practice, or related activity is subject under state and federal law, including, but not limited to, effluent limitations, water quality standards, standards of performance, toxic effluent standards and prohibitions, best management practices, pretreatment standards, groundwater standards, land application standards, and standards for sewage sludge use or disposal.

011 "Applicable water quality standards" means the Nebraska Water Quality Standards in effect under Nebraska law for both surface water and groundwater of the state. Such standards are codified in the Nebraska Administrative Code at Title 117, Nebraska Water Quality Standards for Surface Waters and at Title - 118, Ground Water Quality Standards and Use Classification.

012 "Aquaculture project" means a defined managed water area which uses discharges of pollutants into that designated area for the maintenance or production of harvestable freshwater, estuarine, or marine plants or animals.

013 "Aquatic animal production facility" means a hatchery, fish farm, or other facility which contains, grows, or holds:

014 “Average monthly discharge limitation” means the highest allowable average of discharges over a calendar month, calculated as the sum of all discharges measured during a calendar month divided by the number of discharges measured during that month.

015 “Average weekly discharge limitation” means the highest allowable average of discharges over a calendar week, calculated as the sum of all discharges measured during a calendar week divided by the number of discharges measured during that week.

016 "Best management practices (BMPs)" means schedules of activities, prohibitions of practices, maintenance procedures, and other management practices to prevent or reduce the pollution of waters of the State BMPs also include treatment requirements, operating and maintenance procedures, schedules of activities, prohibitions of activities, and other management practices to control plant site runoff, spillage, leaks, sludge or waste disposal or drainage from raw material storage.

017 "Biological monitoring" means the determination of the effect on aquatic life, including accumulation of pollutants in tissue, in receiving waters due to the discharge of pollutants (1) by techniques and procedures, including sampling of organisms representative of appropriate levels of the food chain appropriate to the volume and the physical, chemical and biological characteristics of the effluent, and (2) at appropriate frequencies and locations.

018 “Biosolids” means sewage sludge that is used or disposed through land application, surface disposal, incineration, or disposal in a municipal solid waste landfill.

019 “Blowdown” means the minimum discharge of recirculating water for the purpose of discharging materials contained in the water, the further buildup of which would cause concentration in amounts exceeding limits established by best engineering practice.

020 "BOD " means the five day measure of the pollutant parameter biochemical oxygen demand (BOD).

021 "Bypass" means the intentional diversion of waste streams from any portion of a treatment facility.

022 "CBOD" The five day measure of the pollutant parameter carbonaceous biochemical oxygen demand (CBOD 5).

023 “Class I sludge management facility” means any publicly owned treatment works (POTW) identified as required to have an approved pretreatment program and other treatment works treating domestic sewage classified as Class 1 by the Regional Administration.

024 “Co-permittee” means a permittee to a NPDES permit that is only responsible for permit conditions relating to the discharge for which it is operator.

025 “Combined Sewer System (CSS)” is a wastewater collection system owned by a State or municipality (as defined by section 502(4) of the CWA) which conveys sanitary wastewaters (domestic, commercial and industrial wastewaters) and storm water through a single-pipe system to a Publicly Owned Treatment Works (POTW) Treatment Plant.

026 “Combined Sewer Overflow” means a discharge from a CSS at a point prior to the POTW Treatment Plant.

027 “Concentrated animal feeding operation or CAFO” Large, Medium, and Small concentrated animal feeding operations are defined in NDEQ Title 130 - Rules and Regulations Pertaining to Livestock Waste Control.

028 "Construction permit" means that permit required by Title 123 - ­Rules and Regulations for Design, Operation and Maintenance of Wastewater Treatment Works.

029 “Continuous discharge” means a discharge which occurs without interruption throughout the operating hours of the facility, except for infrequent shutdowns for maintenance, process changes, or other similar activities.

030 “Controlled discharge” means a "discharge" which occurs on a periodic basis from a facultative lagoon facility.

031 "Council" means the Nebraska Environmental Quality Council.

032 “CWA” means the Clean Water Act (formerly referred to as the Federal Water Pollution Control Act or Federal Water Pollution Control Act Amendments of 1972) Public Law 92-500, as amended by
Public Law 95-217, Public Law 95-576, Public Law 96-483 and Public Law 97-117, 33 U.S.C. 1251 et seq.

033 “CWA and regulations” means the Clean Water Act (CWA) and applicable regulations promulgated there under. In the case of an approved State program, it includes State program requirements.

034 “Daily discharge” means the discharge of a pollutant measured during a calendar day or any 24-hour period that reasonably represents the calendar day for purposes of sampling. For pollutants with limitations expressed in units of mass, the daily discharge is calculated as the total mass of the pollutant discharged over the day. For pollutants with limitations expressed in other units of measurement, the daily discharge is calculated as the average measurement of the pollutant over the day.

035 "Department" means the Nebraska Department of Environmental Quality.

036 "Direct discharge" means the discharge of a pollutant or the discharge of pollutants into waters of the State.

037 "Director" means the director of the Nebraska Department of Environmental Quality.

038 "Discharge", when used without qualification, means accidental or intentional spilling, leaking, pumping, pouring, emitting, emptying, or dumping of pollutants into any waters of the State or in a place which will likely reach waters of the State.

039 "Discharge monitoring report (DMR)" means the form approved by the Director for the reporting of self-monitoring results by permittees.

040 "Discharge of a pollutant" and "discharge of pollutants" each means any addition of any pollutant or combination of pollutants to waters of the state from any point source. This includes discharge into waters of the state from surface runoff which is collected or channeled by man; discharges through pipes, sewers, or other conveyances owned by a state, municipality or other party which do not lead to treatment systems; and discharges through pipes, sewers, or other conveyances, leading into treatment systems owned in whole or in part by a third party other than a state or municipality.

041 “Effluent” means wastewater, excluding sludge, discharging from a wastewater treatment works and/or cooling equipment and/or a boiler and/or any manmade device that discharges or has the potential to discharge.

042 "Effluent limitation" means any restriction imposed by the Director on quantities, discharge rates, and concentrations of pollutants which are discharged from point sources into waters of the State.

043 “Effluent limitations guidelines” which have been adopted by the Council are found in Chapters 21 and 27 of this regulation.

044 "EPA" means the United States Environmental Protection Agency.

045 "Existing source" means any source which is not a new source or a new discharger.

046 “Facility or activity” means any point source as defined in this Title or any other facility or activity (including land or appurtenances thereto) that is subject to regulation under this Title.

047 "Facilities or equipment" means buildings, structures, process or production equipment or machinery which forms a permanent part of the new source and which will be used in its operation, provided such facilities or equipment are of such value as to represent a substantial commitment to construct.

048 "Federal Act" means the Clean Water Act, (formerly referred to as the Federal Water Pollution Control Act) Pub. L. 92-500, as amended by Pub. L. 95-217, Pub. L. 95-576, Pub. L. 96-483, Pub. L. 97-117, and Pub. L. 100-4, 33 U.S.C. 1251 et seq.

049 "General permit" means a permit issued under this Title authorizing a category of discharges within a specified geographical area.

050 “Hazardous substance” means any substance designated under Title 126.

051 “Illicit discharge” means any discharge to a municipal separate storm sewer that is not composed entirely of storm water except discharges pursuant to a NPDES permit (other than the NPDES permit for discharges from the municipal separate storm sewer) and discharges resulting from fire fighting activities.

052 “Incorporated place” means a city, town, township, or village that is incorporated under the laws of the State.

053 "Indirect discharger" means a non-domestic discharger introducing pollutants to a publicly owned treatment works.

054 "Industrial user" means a source of indirect discharge which does not constitute a discharge of pollutants under Section 402 of the Clean Water Act.

055 “Influent” means water or a water solution containing dissolved or suspended compounds or elements entering any device that discharges or has the potential to discharge as a point source.

056 “Interference” means a discharge which, alone or in conjunction with a discharge or discharges from other sources, both:
057 "Interstate agency" means any agency of two or more states established by or pursuant to an agreement or compact approved by the Congress, or any other agency of two or more states, having substantial powers or duties pertaining to the control of pollution as determined and approved by the Administrator.

058 “Land Application” is defined as the controlled application of effluent onto the land surface to achieve a designed degree of treatment through natural physical, chemical and biological processes within the plant-soil-water matrix.

059 “Large municipal separate storm sewer system” means all municipal separate storm sewers that are either:
060 "Major facilitydischarge" means means any discharge which is not classified as minor.any NPDES facility or activity classified as such by the Regional Administrator in conjunction with the State Director.


061 “Major municipal separate storm sewer outfall” (or “major outfall”) means a municipal separate storm sewer outfall that discharges from a single pipe with an inside diameter of 36 inches or more or its equivalent (discharge from a single conveyance other than circular pipe which is associated with a drainage area of more than 50 acres); or for municipal separate storm sewers that receive storm water from lands zoned for industrial activity (based on comprehensive zoning plans or the equivalent), an outfall that discharges from a single pipe with an inside diameter of 12 inches or more or from its equivalent (discharge from other than a circular pipe associated with a drainage area of 2 acres or more).

062 “Major Municipal Wastewater Treatment Facility” means a municipal wastewater treatment facility that has a design flow of 1 MGD (million gallons per day) or greater or a service population of 10,000 or greater.

063 “Major Outfall” means a major municipal separate storm sewer outfall.

064 “Maximum daily discharge limitation” means the highest allowable daily discharge.

065 “Medium municipal separate storm sewer system” means all municipal separate storm sewers that are either:
066 "mMg/l" means milligrams per liter.

067 "Minor dischargefacility" means any NPDES facility not classified as a “Major”.

068 “Minor Municipal Wastewater Treatment Facility” means a municipal wastewater treatment facility that has a design flow of less than 1 MGD (million gallons per day) or a service population of less than 10,000.

069 “MS4” means a municipal separate storm sewer system.

070 "Municipality" means a city, town, village, county, district, association, or other public body created by or pursuant to state law and having jurisdiction over disposal of sewage, industrial wastes, or other wastes.

071 “Municipal separate storm sewer system” means all separate storm sewers that are defined as “large” or “medium” or “small” municipal separate storm sewer systems pursuant to this chapter or designated under Chapter 10.

072 “Municipal separate storm sewer” means a conveyance or system of conveyances (including roads with drainage systems, municipal streets, catch basins, curbs, gutters, ditches, man-made channels, or storm drains):

073 "National Pollutant Discharge Elimination System or NPDES" means the national program for issuing, modifying, revoking and reissuing, terminating, monitoring, and enforcing permits pursuant to Sections 307, 402, 318, and 405 of the Clean Water Act, and includes any State program which has been approved by the Administrator, in whole or in part, pursuant to Section 402 of the Clean Water Act.

074 “National Pretreatment Standard”, “Pretreatment Standard”, or “Standard”, National Categorical Pretreatment Standard, “Categorical Pretreatment Standard, or “Categorical Standard” means any regulation containing pollutant discharge limits promulgated by the EPA in accordance with section 307 (b) and (c) of the Clean Water Act, which applies to Industrial Users.

075 "New Discharger" means any building, structure, facility, or installation: (1) which on October 18, 1972, has never discharged pollutants; (2) which has never received a finally effective NPDES permit; (3) from which there is or may be a new or additional discharge of pollutants; and (4) which does not fall within the definition of 'new source.'

076 "New Source" means any building, structure, facility, or installation from which there is or may be the discharge of pollutants, the construction of which is commenced after promulgation of standards of performance under Section 306 of the Clean Water Act which are applicable to such source or after proposal of standards of performance but only if the standards are promulgated within 120 days of their proposal in the Federal Register by EPA, and are subsequently adopted by the Council.

077 "Noncompliance report form" means a form prepared by the Department for the use of the permittee to indicate noncompliance with applicable effluent limitations and standards.

078 “Noncontact cooling water” means water used for cooling which does not come into direct contact with any raw material, intermediate product, waste product or finished product. “Noncontact cooling water pollutants” means pollutants present in noncontact cooling waters.

079 "Nonpoint source" means a discharge of pollutants from other than a point source.

080 "NPDES permit" means any permit issued by the Director, after June 12, 1974, to regulate the discharge of pollutants pursuant to Sections 402, 307, 402, 318, and 405 of the Clean Water Act.

081 “Outfall” means a point source as defined in this chapter at the point where a facility and/or municipal separate storm sewer discharges to waters of the State and does not include open conveyances connecting to municipal separate storm sewers, or pipes, tunnels or other conveyances which connect segments of the same stream or other waters of the State and are used to convey waters of the State.

082 “Overburden” means any material of any nature, consolidated or unconsolidated, that overlies a mineral deposit, excluding topsoil or similar naturally-occurring surface materials that are not disturbed by mining operations.

083 "Owner or operator" means the owner or operator of any facility or activity subject to regulation under this Title.

084 “Pass Through” means a discharge which exits the POTW into waters of the State in quantities or concentrations which, alone or in conjunction with a discharge or discharges from other sources, is a cause of a violation of any requirement of the POTW's NPDES permit (including an increase in the magnitude or duration of a violation).

085 “Passive Discharge” means a discharge from a POTW that occurs in the absence of an affirmative action and is not authorized by the NPDES permit (e.g. discharges due to a leaking valve, discharges from an overflow structure) and / or is a discharge from an overflow structure not designed as part of the POTW (e.g. discharges resulting from lagoon berm/dike breaches).

086 "Percent removal" a percentage expression of the removal efficiency across a treatment plant for a given pollutant parameter, as determined from the 30-day average values of the raw wastewater influent pollutant concentrations to the facility and the 30-day average values of the effluent pollutant concentrations for a given time period.

087 "Person" means any federal agency, individual, partnership, association, public or private corporation, trustee, receiver, assignee, agent, municipality, or governmental subdivision, public agency, officer or governing or managing body of any municipality, governmental subdivision of public agency, or any other legal entity except the Department.

088 "Point source" means any discernible, confined and discrete conveyance, including but not limited to any pipe, ditch, channel, tunnel, conduit, well, discrete fissure, container, rolling stock, concentrated animal feeding operation, landfill leachate collection system, or vessel or other floating craft, from which pollutants are or may be discharged. This term does not include return flows from irrigated agriculture or agricultural storm water runoff.

089 "Pollutant" means dredged spoil, solid waste, incinerator residue, filter backwash, sewage, garbage, sewage sludge, munitions, chemical wastes, biological materials, radioactive materials (except those regulated under the Atomic Energy Act of 1954 as amended, 42 U.S.C. 2011 et seq, heat, wrecked or discarded equipment, rock, sand, cellar dirt, and industrial, municipal, and agricultural waste discharged into water.

090 "Pollution" means the man-made or man-induced alteration of the chemical, physical, biological, or radiological integrity of water.

091 “POTW Treatment Plant” means that portion of the POTW which is designed to provide treatment (including recycling and reclamation) of municipal sewage and industrial waste.

092 “Pretreatment” means the reduction of the amount of pollutants, the elimination of pollutants, or the alteration of the nature of pollutant properties in wastewater prior to or in lieu of discharging or otherwise introducing such pollutants into a POTW. The reduction or alteration may be obtained by physical, chemical or biological processes, process changes or by other means, except as prohibited this section. Appropriate pretreatment technology includes control equipment, such as equalization tanks or facilities, for protection against surges or slug loadings that might interfere with or otherwise be incompatible with the POTW. However, where wastewater from a regulated process is mixed in an equalization facility with unregulated wastewater or with wastewater from another regulated process, the effluent from the equalization facility must meet an adjusted pretreatment limit calculated in accordance with this section.

093 “Pretreatment requirements” means any substantive or procedural requirement related to pretreatment, other than a national pretreatment standard, imposed on an industrial user.

094 "Process wastewater" means any water which, during manufacturing or processing, comes into direct contact with or results from the production or use of any raw material, intermediate product, finished product, by-product, or waste product. In addition means any water directly or indirectly used in the operations of the animal feeding operation for any or all of the following: spillage or overflow from animal or poultry watering systems; washing, cleaning, or flushing, pens, barns, manure pits, or other animal feeding operations facilities;’ direct contact swimming, washing, or spray cooling of animals; or dust control. Process wastewater also includes spent foot bath water and any raw materials, products, or byproducts including manure, litter, feed, milk, eggs or bedding.

095 “Process wastewater pollutants” means pollutants present in process wastewater.

096 "Publicly owned treatment works or POTW" means a treatment works as defined in Section 212 of the Clean Water Act, which is owned by a state or municipality. This definition includes any devices and systems used in the storage, treatment, recycling and reclamation of municipal sewage or industrial wastes of a liquid nature. It also includes sewers, pipes and other conveyances only if they convey wastewater to a POTW Treatment Plant. The term also means the municipality as defined in this chapter, which has jurisdiction over the Indirect Discharges to and the discharges from such a treatment works. This definition excludes septic tanks or similar devices.

097 "Regional Administrator" means the EPA, Region VII Regional Administrator or the authorized representative of the Regional Administrator.

098 “Restricted Public Access” refers to areas where public access can be controlled such as crop and pasture land.

099 “Runoff Coefficient” means the fraction of total rainfall that will appear at a conveyance as runoff.

100 “Sanitary Sewer Overflow or SSO” means untreated or partially treated sewage overflows from a sanitary sewer collection system.

101 "Schedule of compliance" means a schedule of remedial measures contained within the permit including an enforceable sequence of interim requirements (for example, actions, operations, or milestone events) leading to compliance with an effluent limitation, other limitation, prohibition, standard, or other permit requirement.

102 “Septage” means the liquid and solid material pumped from a septic tank, cesspool, or similar domestic sewage treatment system, or a holding tank when the system is cleaned or maintained.

103 "Severe property damage" means substantial physical damage to property, damage to the treatment facilities which would cause 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, excluding economic loss caused by delays in production.

104 "Sewage sludge" means any solid, semi-solid, or liquid residue removed during the treatment of municipal waste water or domestic sewage. Sewage sludge includes, but is not limited to, solids removed during primary, secondary, or advanced waste water treatment, scum, septage, potable toilet pumpings, type III marine sanitation device pumpings, and sewage sludge products. Sewage sludge does not include grit or screenings, or ash generated during the incineration of sewage sludge.

105 “Significant Industrial User” means:
106 “Significant materials” includes, but are not limited to: raw materials; fuels; materials such as solvents, detergents, and plastic pellets; finished materials such as metallic products; raw materials used in food processing or production; hazardous substances designated under section 101(14) of the Clean Water Act; any chemical the facility is required to report pursuant to section 313 of title III of Clean Water Act; fertilizers; pesticides; and waste products such as ashes, slag and sludge that have the potential to be released with storm water discharges.


107 "Silvicultural point source" means any discernible, confined, and discrete conveyance related to rock crushing, gravel washing, log sorting, or log storage facilities which are operated in connection with silvicultural activities and from which pollutants are discharged into waters of the state. The term does not include nonpoint source silvicultural activities such as nursery operations, site preparation, reforestation and subsequent cultural treatment, thinning, prescribed burning, pest and fire control, harvesting operations, surface drainage, and road construction and maintenance from which there is natural runoff during precipitation events.

108 "Site" means the land or water area where any facility or activity physically located, including but not limited to adjacent land used for utility systems, repair, storage, shipping or processing areas, or other areas incident to the industrial, manufacturing, or water pollution treatment processes.

109 “Sludge-only facility” means any treatment works treating domestic sewage whose methods of sewage sludge use or disposal are subject to regulations promulgated pursuant to section 405(d) of the Clean Water Act and is required to obtain a permit under this Title.

110 “Small MS4” means a small municipal separate storm sewer system.

111 “Small municipal separate storm sewer system” means all separate storm sewers that are:

112 "Source" means any building, structure, facility, or installation from which there is or may be a discharge of pollutants.

113 “SSO” means sanitary sewer overflow.

114 “Standard of performance” shall mean any restriction established by the director on quantities, rates, and concentrations of chemical, physical, biological, and other constituents which are or may be discharged from new sources into waters of the state.

115 "State Act" means the Nebraska Environmental Protection Act 81-1501 to 81-1532, as amended.

116 “Storm water” means storm water runoff, snow melt runoff, and surface runoff and drainage.

117 “Storm water discharge associated with industrial activity” means the discharge from any conveyance that is used for collecting and conveying storm water and that is directly related to manufacturing, processing or raw materials storage areas at an industrial site. The term does not include discharges from facilities or activities excluded from the NPDES program under Chapter 10. The term includes, but is not limited to, storm water discharges from industrial plant yards; immediate access roads and rail lines used or traveled by carriers of raw materials, manufactured products, waste material, or by-products used or created by the facility; material handling sites; refuse sites; sites used for the application or disposal of process waste waters in; sites used for the storage and maintenance of material handling equipment; sites used for residual treatment, storage, or disposal; shipping and receiving areas; manufacturing buildings; storage areas (including tank farms) for raw materials, and intermediate and final products; and areas where industrial activity has taken place in the past and significant materials remain and are exposed to storm water. For the purposes of this paragraph, material handling activities include storage, loading and unloading, transportation, or conveyance of any raw material, intermediate product, final product, by-product or waste product. The term excludes areas located on plant lands separate from the plant's industrial activities, such as office buildings and accompanying parking lots as long as the drainage from the excluded areas is not mixed with storm water drained from the above described areas. Industrial facilities includes industrial facilities that are federally, State, or municipally owned or operated. 118 “Storm water discharge associated with small construction activity” means the discharge of storm water from:
119 “Total dissolved solids or TDS” means the total dissolved (filterable) solids as determined by use of the method specified in 40 CFR part 136.

120 "TSS" the pollutant parameter total suspended solids.

121 "Toxic pollutant" means any pollutant listed as toxic under section 307(a)(1) or, in the case of “sludge use or disposal practices,” any pollutant identified in regulations implementing section 405(d) of the CWA.

122 “Uncontrolled sanitary landfill” means a landfill or open dump, whether in operation or closed, that does not meet the requirements for runon or runoff controls established pursuant to Title 132 – Integrated Solid Waste Management Regulation.

123 “Unrestricted Public Access” refers to areas where public access is not restricted such as parks and playgrounds.

124 "Upset" means an exceptional incident in which there is unintentional and temporary noncompliance with technology based permit effluent limitations because of factors beyond the reasonable control of the permittee. An upset does not include noncompliance to the extent caused by operational error, improperly designed or inadequate treatment facilities, or careless or improper operation and maintenance.

125 "Waters of the state" means all waters within the jurisdiction of this state including all streams, lakes, ponds, impounding reservoirs, marshes, wetlands, watercourses, waterways, wells, springs, irrigation systems, drainage systems, and all other bodies or accumulation of water, surface and underground, natural or artificial, public or private, situated wholly or partly within or bordering upon the state.

126 “Wetlands” means those areas that are inundated or saturated by surface or groundwater at a frequency and duration sufficient to support, and that under normal circumstances do support, a prevalence of vegetation typically adapted for life in saturated soil conditions. Wetlands generally include swamps, marshes, bogs, and similar areas.

127 “Whole effluent toxicity” means the aggregate toxic effect of an effluent measured directly by a toxicity test.

Enabling Legislation: Neb. Rev. Stat. §81-1505

Legal Citation: Title 119, Chapter 1, Nebraska Department of Environmental Quality



Nebraska Department of Environmental Quality
1200 "N" Street, Suite 400
P.O. Box 98922
Lincoln, Nebraska 68509
(402) 471-2186