Definitions of Terms

Acre-inch means the amount of water necessary to cover an acre of land one inch   deep;

Acre-foot A volume of water equal to one foot in depth covering an area of one acre.  Also 43,560 cubic feet, or 325,851 gallons. Used to measure stored water quantities.

Alleged Violator means any person against which a complaint has been filed in   accordance with Rule 2-3 of these Rules and Regulations;

 Allocation means the allotment of a specified total number of acre-inches of   irrigation   water per irrigated acre per year or an average number of acre-inches of irrigation water per   irrigated acre over any reasonable period of time not to exceed five years;

Animal Unit means a unit of measurement for any livestock operation calculated by   adding the following numbers:

  The number of slaughter and feeder cattle multiplied by 1.0,

  plus the number of mature dairy cattle or cow/calf pairs multiplied by 1.4,

  plus the number of swine weighing fifty-five pounds or more multiplied by 0.4,

  plus the number of weaned pigs weighing less than fifty-five pounds multiplied by 0.04,

  plus the number of sheep multiplied by 0.1,

  plus the number of horses multiplied by 2.0,

  plus the number of chickens multiplied by 0.01,

  plus the number of turkeys multiplied by 0.02,

  plus the number of ducks multiplied by 0.2.

Best Management Practices (BMP's) means schedules of activities, maintenance   procedures, and other management practices utilized to prevent or reduce present and future   contamination of ground water which may include irrigation scheduling, proper rate and   timing of fertilizer application, and other fertilizer and pesticide management programs. In   determining the rate of fertilizer application, the district shall consult with the University of    Nebraska or a certified crop advisor certified by the American Society of Agronomy;   

Certified Irrigated Tract means any tract of land in the North Platte Natural Resources   District, contiguous or not, owned by a person that is irrigated by   groundwater from a single   well or from multiple wells that are interconnected by a common   carrier and that has been   certified by the District to allow the use of groundwater for irrigation according to the   process   described in these rules and regulations;

 Contamination or Contamination of Ground Water means nitrate nitrogen or other   material which enters the groundwater due to action of any person and causes degradation of   the quality of groundwater sufficient to make such groundwater unsuitable for present or   reasonably foreseeable beneficial uses;

Common Carrier means any carrier of water including a pipe, canal, ditch, or other   means of piping or combining water for irrigation or other certified uses;

Dewatering Well means water well constructed and used solely for the purpose of   lowering the ground water table elevation;

District means the North Platte Natural Resources District (NPNRD), as established   pursuant to Section 2-3203 R.R.S. 1997;

Domestic Well means a water well designed to provide water for human needs as it   relates to health, fire protection, sanitation, water for domestic livestock as related to normal   farm and ranch operations, or water for lawns and gardens for family use or profit where the   area to be irrigated does not exceed two acres. This does not include any well drilled for a   public water system;

Emergency Situation means any set of circumstances that requires the use of water   from any source that might otherwise be regulated or prohibited and the District reasonably   and in good faith believes that such use is necessary to protect the public health, safety, and   welfare, including, if applicable, compliance with federal or state water quality standards;

Flow Meter means a device installed on a well to measure the amount of water   being   pumped from that well and the rate at which the water is being pumped; which meets   standards and specifications established by the Board; and which is properly calibrated   according to the manufacturer's standards;

Good Cause Shown means a reasonable justification for granting a variance for a   consumptive use of water that would otherwise be prohibited by rule or regulation and which   the District reasonably and in good faith believes will provide an economic, environmental,   social, or public health and safety benefit that is equal to or greater than the benefit resulting   from the rule or regulation from which a variance is sought;

Ground Water means that water which occurs in or moves, seeps, filters or percolates   through ground under the surface of the land;

Ground Water User means a person who at any time extracts, withdraws, or confines   ground water for   any use by that person or allows such use by other persons at a rate which   requires a permit under Section 46-735 R.S. SUPP. 2004 or as hereafter amended. Whenever   the landowner and operator are different, the term 'ground water user' shall mean both the owner and the operator;

Illegal Well means: (i) Any well not registered pursuant to the provisions of Sections   46-602 R.S. SUPP 2004 and 46-602.01, R.R.S. 2004 or as hereafter amended; (ii) any well in   violation of spacing requirements specified by Section 46-609 or 46-651, R.R.S. 2004 or as   hereafter amended; (iii) Any well installed in violation of any rules written by the   District;   (iv) Any well utilized for application of chemical materials in violation of the Nebraska   Chemigation Act, and such rules and regulations as may be adopted from time to time by the   Nebraska Department of Environmental Quality; (v) Any well or pit from which water is   transported to an adjoining state in violation of Section 46-613.01, R.R.S. 2004 or as   hereafter amended; (vi) Any well located within 50 feet of the bank of any natural stream and   utilized for irrigation purposes without a permit required by Section 46-637, R.R.S. 1993 or as   hereafter amended; (vii) Any well constructed without a required permit under Section 46-735   R.S. SUPP. 2004 or as hereafter amended; (viii) Any illegal water well as defined by Section   46-1207.01 R.S. SUPP. 2004 or as hereafter amended; (ix) Any well constructed or operated   in violation of these or other rules and regulations of the District or of other applicable laws,   rules or regulations of the State of Nebraska and its agencies;

Improper Irrigation Run-off means the occurrence of irrigation run-off water (1) within   a designated management area; (2) which causes or contributes to the accumulation of water   upon or beneath the surface of the lands of any   other person(s) to their detriment; or (3)   which causes or contributes to the deterioration of water quality by depositing sediment or   associated chemicals in surface waters within the area;

Inactive Status Well means a water well that is in a good state of repair and for which   the owner has provided evidence of intent for future use by maintaining the water well in a   manner which meets the following requirements:

     1. The water well does not allow impairment of the water quality in the water well or of       the ground water encountered by the water well;

    2. The top of the water well or water well casing has a water-tight welded or threaded         cover or some other water-tight means to prevent its removal without the use of equipment     or   tools to prevent unauthorized access, to prevent a safety hazard to humans and animals,     and to prevent illegal disposal of wastes or contaminants into the water well;

    3. All entrances and discharge piping to the water well are effectively sealed to prevent the     entrance of contaminants; and

    4. The water well is marked so as to be easily visible and located and is labeled or           otherwise marked so as to be easily identified as a water well and the area surrounding the     water well is kept clear of brush, debris, and waste material;

Industrial/Commercial Well means a well for the purpose of manufacturing,   commercial or power generation uses of water. Commercial use includes, but is not limited   to, maintenance of the turf of a golf course, cemetery, soccer or other sports fields, or other   recreational areas;

Irrigated Acre means any acre that is certified as such pursuant to rules and   regulations of the District and that is actually capable of being supplied water through   irrigation works, mechanisms, or facilities existing at the time of the certification;

Irrigation Run-off Water means groundwater used for irrigation purposes which   escapes from land owned, leased, or otherwise under the direct supervision and control of a   groundwater user;

Landowner means any person who owns or is in the process of purchasing land;

Livestock 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 one hundred days or more in any twelve month period and where   crops and vegetation, forage growth, or post-harvest residues are not sustained in the normal   growing season over a majority of the area. Livestock operation does not include an operation   involving 250 animal units or less in a confined lot or an aquaculture facility;

Operator means that person who has the most direct control over the day-to-day   farming operation of the land concerned;

Operator Certification means a current certificate signifying that a person has   completed the necessary educational programs established under the rules and regulations of   any groundwater management area or sub-area established by the District;

Overappropriated Area shall mean the area of the North Platte Natural Resources District designated as overappropriated by Order of the Nebraska Department of Natural Resources on September 15, 2004 , as shown on Map 1

Person means a natural person, a partnership, a limited liability company, an   association, a corporation, a municipality, an irrigation district, an agency or a political   subdivision of the state, a department, an agency, or a bureau of the United States, or any   other entity recognized by law;

Public Water System means a system for providing the public with water for human   consumption through pipes or, after August 5, 1998 , other constructed conveyances, if such   system has at least 15 service connections or regularly serves an average of at least 25   individuals daily at least 60 days per year. Public water systems include:

    1. Any collection, treatment, storage, and distribution facilities under control of the           operator of such system and used primarily in connection with such system, and

    2. Any collection or pretreatment storage facilities not under such control which are used       primarily in connection with such system. Public water system does not include a special       irrigation district. A public water system is either a community water system or a non-         community water system;

Range Livestock means livestock that are kept in pastures, on rangeland, or on   other   grazing lands and allowed to feed on vegetation growing therein;

Regulated Well means a single water well or a series of water wells, connected by a   common carrier, the purpose of which is to provide water for a certified groundwater use as   defined regardless of the pumping capacity. Replacement wells and any excavation of land,   including a sandpit, constructed for the extraction of ground water for irrigation or any other   beneficial use are regulated wells. Domestic, range livestock, dewatering wells with an   intended use of one year or less, test holes, monitoring and observation wells, wells   constructed pursuant to a groundwater remediation plan under the Environmental Protection   Act are not regulated wells;

Replacement Well means a water well which (a) replaces an abandoned water well   within three years of the last operation of the abandoned water well and (b) is constructed to   provide water to the same tract of land as the abandoned water well being   replaced;

Rotation means a recurring series of use and non-use of irrigation wells on an hourly,   daily, weekly, monthly, or yearly basis;

 Test Hole mean a hole designed solely for the purpose of obtaining information on   hydrologic or geologic conditions;

Water Well means any excavation that is drilled, cored, bored, washed, driven, dug,   jetted, or otherwise constructed for the purpose of exploring for ground water, monitoring   ground water, utilizing geothermal properties of the ground, obtaining hydrogeologic   information, or extracting water from or injecting water into the underground water reservoir.   Water well does not include any excavation made for obtaining or prospecting for oil or   natural gas or for inserting media to repressure oil or natural gas bearing formations regulated   by the Nebraska Oil and Gas Commission;

Well Permit means a document that must be obtained from the district in   accordance   with Sections 46-735 through 46-738, Revised Statutes of Nebraska, and the North Platte   NRD's rules and Regulations for the Enforcement of the Nebraska Groundwater Management   and Protection Act;

Working Day means Monday, Tuesday, Wednesday, Thursday and Friday of any   week, excluding holidays observed by the District as described in the District personnel   policy.

absolute water right: A property right to put water to beneficial use with a specified priority date.

acre-foot:

adjudication: To hear and settle a case by judicial procedure.

alkali: a soluble salt or a mixture of soluble salts present in some soils of arid regions in quantity detrimental to agriculture .

alluvial water: Ground water that is hydrologically part of a surface stream that is present in permeable soil material, usually small rock and gravel.

appropriate:  (verb) To take the legal actions necessary to create a right to take water from a stream, tributary or aquifer for application to beneficial use.

appropriation:  The right to take water from a stream, tributary or aquifer for beneficial use at a specified rate of flow, either for immediate use or to store for later use.  Usually evidenced by a water court decree.

aquifer:  An underground deposit of sand, gravel or rock through which water can pass or is stored.  Aquifers supply the water for wells and springs.

augmentation plan:  A court-approved plan that allows a water user to divert water out of priority so long as adequate replacement is made to the affected stream system preventing injury to the water rights of senior users.

augmentation source:  The supply of water used to replace out-of-priority depletions.

beneficial use:  Application of water without waste for human or natural benefit.

call:  The exercise of a senior water right holder of "calling" for his or her water rights, requiring upstream junior water right holders to allow water to flow to the senior right holder.

Clean Water Act:  The federal law that sets forth how the United States will restore and maintain the chemical, physical and biological integrity of the country's waters (oceans, lakes, streams and rivers, ground water and wetlands).  The law provides protection to the country's surface waters from both point and non-point sources of pollution.

Colorado Doctrine:  see appropriation.

Colorado Water Conservation Board:  The state agency vested with the authority to appropriate water of streams and lakes in amounts that are determined to be necessary to preserve the natural environment to a reasonable degree.

compact:  A contract between states that is ratified by those states' legislatures and by the U.S. Congress. The contract controls the division of water in a river system that flows across state boundaries.

conditional water right:  The legal preservation of a priority date that provides a water user time to develop his or her water right, but reserves a more senior date.  A conditional right becomes an absolute right when water is actually put to beneficial use.

conservancy district:  Established by decree of a court under the Water Conservancy District Act of 1937.  A conservancy district can obtain rights-of-way for works; contract with the United States or otherwise provide for construction of facilities; assume contractual or bonded indebtedness;  administer, operate, and maintain physical works; have authority to conserve, control, allocate, and distribute water supplies; and have contracting and limited taxing authority to derive the revenues necessary to accomplish its purposes. There are currently 45 conservancy districts in Colorado.

conservation:  Obtaining the benefits of water more efficiently.

conservation district:  Established under specific statues by the Colorado General Assembly. There are currently three conservation districts in Colorado;  the Colorado River Water Conservation District, the Southwestern Water Conservation District, and the Rio Grande Water Conservation District.  The mission is to oversee the conservation, use, and development of water in large geographical areas of the state.

consumptive use:  Any use of water that permanently removes water from the natural stream system.

Continental Divide: An imaginary boundary line that runs north-south along the crest of the Rocky Mountains, separating river and drainages that flow west to the Pacific Ocean from those that flow south and east to the Gulf of Mexico.

cubic feet per second (cfs):  A rate of water flow at a given point, amounting to a volume of one cubic foot for each second of time. Equal to 7.48 gallons per second, 448.8 gallons per minute, or 1.984 acre feet per day.

decree:  A court decision about a water right that is then administered by Colorado's Water Resources Department.

direct flow (also direct right):  Water diverted from a river or stream for use without interruption between diversion and use except for incidental purposes, such as settling or filtration.

diversion: The removal of water from its natural course or location, or controlling water in its natural course or location by means of a ditch, canal, flume, reservoir, bypass, pipeline, conduit, well, pump or other device.

drought:  A long period of below-average precipitation.

due diligence:  The efforts necessary to complete a water appropriation action that demonstrates a good faith action to complete a diversion of water within a reasonable time period.

effluent:  Water discharged after use, as in water leaving a wastewater treatment plant.

effluent exchange:  The practice of using wastewater effluent from transbasin water, non-tributary water sources, or other sources without causing injury to other water rights as a replacement source of water for diversion of water farther upstream that would otherwise have been out of priority.

Endangered Species Act:  The federal law that governs how animal and plant species whose populations are dangerously in decline or close to extinction will be protected and recovered.  The law protects not only threatened and endangered species, but also the ecosystems upon which they depend.

Energy Policy Act (EPACT):  A 1992 federal law that states, among other things, that no toilet for household use manufactured after Jan. 1, 1994, shall use more than 1.6 gallons per flush and that shower heads and faucets manufactured after Jan. 1, 1994, may not use more than 2.5 gallons per minute.

exchange:  A process by which water, under certain conditions, may be diverted out of priority at one point by replacing it with a like amount of water at another point.

exempt wells: those wells that are exempt from water rights administration under a priority system (examples of exempt wells are household use only, domestic and livestock wells, and pre 1972 unregistered wells ).

firm annual yield:  The yearly amount of water that can be dependably supplied from the raw water sources of a given water supply system.

futile call:  A situation in which a junior ( more recent) priority is allowed to continue to divert in spite of a downstream senior call because curtailing the junior would not reasonably produce any additional water for the senior.

ground water:  Water found below the earth's surface.

hydrologic cycle:  The movement of water from the atmosphere to the earth and back again to the atmosphere. The three stages are precipitation, runoff or infiltration and evaporation.

instream flows:  Water flowing in its natural stream bed, such as water required for maintaining flowing streams, or for fish.

interstate compacts:  see compacts

junior rights:  Water rights that are more recent than older or more senior rights.

National Pollution Discharge Elimination System (NPDES) Permit:  A permit required under Section 401 of the Clean Water Act regulating discharge of pollutants to the nation's waterways.

National Environmental Policy Act (NEPA):  The federal law enacted to ensure the integration of natural and social sciences and environmental design in planning and decision-making for projects that may impact the quality of the human environment.

non-consumptive use:  Water drawn for use that is not consumed, for example, water withdrawn for purposes such as hydropower generation. It also includes uses such as boating or fishing where the water is still available for other uses at the same site.

non-exempt wells: those that  are governed by the priority system and may be curtailed (included any other type of well not considered exempt).

non-point source:  Pollution discharged over a wide land area, not from one specific location.  Runoff from city streets, parking lots, home lawns, agricultural land, individual septic systems and construction sites that finds its way into lakes and stream constitutes an important sources of water pollutants.

non-tributary ground water:  Underground water that meets certain legislative criteria as to its effect on a stream system.

point source:  Pollutants discharged from any identifiable point, including pipes, ditches, channels, sewers, tunnels and containers of various types.

potable:  Water that is considered safe for domestic consumption; drinkable.

prior appropriation doctrine:  A legal concept in which the first person to appropriate water and apply it to a beneficial use has the first right to use that amount of water from that source.  Each successive appropriator may only take a share of the water remaining after all senior water rights are satisfied.  This is the historical basis for Colorado water law and is sometimes known as the Colorado Doctrine or the principle of "first in time, first in right."

priority:  The right of an earlier appropriator to divert from a natural stream in preference to a later appropriator.

priority date:  The date of establishment of a water right.  The rights established by application have the application date as the date of priority.

raw water:  Untreated water.

reservoir:  An impoundment of collected water controlled by a dam (raw water) or storage tank (potable water).

return flows:  The unused portion of water that returns to a stream or river after a beneficial use.

reuse:  To use again, to intercept for subsequent beneficial use--either directly or by exchange--water that would otherwise return to the stream system.

revegetate:  To provide barren land with a new vegetative cover.

runoff:  Water that flows on the earth's surface to streams, rivers, lakes, and oceans.

Safe Drinking Water Act (SDWA):  Federal legislation that regulates the treatment of water for human consumption.  Requires testing for and elimination of contaminants to levels for the protection of human health.

senior rights:  Water rights that are staked the earliest with the water court.

surface water:  Water present on the earth's surface.

system loss:  An amount of water, expressed as a percentage, lost from a water storage or distribution system due to leaks, evaporation, seepage and unauthorized use.

transbasin diversion:  The conveyance of water from its natural drainage basin into another basin for beneficial use.

transmountain diversion:  The conveyance of water from one drainage basin to another across the Continental Divide.

treated water:  Water that has been filtered and/or disinfected; sometimes used interchangeably with "potable" water.

tributary:  A stream or river that flows into a larger one.

tributary drainage:  The area from which water naturally drains by gravity into a water course.

tributary ground water:  Water present below the earth's surface that is hydrologically connected to a natural surface stream.

urban runoff:  Excess water that doesn't infiltrate the soil, but flows to a storm sewer or open waterway.

water and sanitation districts:  A special taxing district formed by the residents of the district for the combined purpose of providing potable water and sanitary wastewater services.

water right:  A property right to make beneficial use of a particular amount of water with a specified priority date.

watershed:  An area from which water drains to a given stream or river or river system.

Wellhead Protection Program:  An amendment to the federal Safe Drinking Water Act in 1986.  Initiated to minimize the potential for contamination of public ground water supplies.

wetlands:  Areas with standing water of a high water table either permanently or for some significant period each year.  Generally includes swamps, marshes, bogs and areas with water-loving vegetation that grows in or around water.

Xeriscape: A landscape concept to describe beautiful landscaping that has low water needs. The term was developed by Denver Water in 1981. It is derived from the Greek word xeros, meaning dry.

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