The terms included in this dictionary that are defined by statute or rule have the legal citation noted in bold at the beginning of the definition. Other terms that are not specifically defined by statute or rule are defined based on general legal authority or on the common meaning of the terms. A complete listing of statutes and rules as referenced in the following definitions may be viewed by searching the SD Legislature Website.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Abandonment.
To give up the right to make a beneficial use of water as authorized by a water appropriation – SDCL 46-5-37.1.
Abandoned well or test hole.
Water Rights - Well Construction Standards: ARSD 74:02:04:20 A well or test hole whose original purpose and use has been permanently discontinued, which is in such a state of disrepair that its original purpose cannot be reasonably achieved, or which is abandoned pursuant to 46-6-27.
Acidizing.
Water Rights - Well Construction Standards: ARSD 74:02:04:20 The process of introducing acid into an acid-soluble formation for the purpose of enlarging the pore space by dissolving the surrounding formation, removing encrustants from well screen and gravel pack, and dissolving cemented materials.
Acre-foot.
The amount of water upon an acre covered one foot deep – SDCL 46-1-7.
Act of nature.
Water Rights – Financial Assurance: ARSD 74:07:01:01 A weather event that causes department-approved design capacities for a permitted activity to be exceeded.
Adequate well.
Water Rights - Well Construction Standards: ARSD 74:02:04:20 A well constructed or rehabilitated to allow various withdrawal methods to be used, to allow the inlet to the pump to be placed not less than 20 feet into the saturated aquifer or formation material when the well is constructed, or to allow the pump to be placed as near to the bottom of the aquifer as is practical if the aquifer thickness is less than 20 feet.
Adversely impacted domestic well.
Water Rights – Well Construction Standards: ARSD 74:02:04:20 A well in which the pump intake was set at least 20 feet below the top of the aquifer at the time of construction or, if the aquifer is less than 20 feet thick, is as near to the bottom of the aquifer as is practical and the water level of the aquifer has declined to a level that the pump will no longer deliver sufficient water for the well owner's needs.
Affidavit.
Water Rights - Storage, Diversion and Irrigation: SDCL 46-7-5.4 A written declaration under oath, made on personal knowledge, subscribed and dated by the owner in the presence of a notary public.
Amendment.
A change to an existing water right permit, water right, or vested right such as adding diversion points, moving diversion points or irrigated acreage, changing water uses, etc. An amendment may not increase the rate of diversion or increase the volume of water or impair existing water rights – SDCL 46-5-30.4.
ANSI.
Water Rights – Well Construction Standards: ARSD 74:02:04:20 American National Standards Institute, Inc.
ASTM.
Water Rights - Well Construction Standards: ARSD 74:02:04:20 Water Development - Solid Waste Management Program: ARSD 74:05:10:01 The American Society for Testing Materials.
AWWA.
Water Rights - Well Construction Standards: ARSD 74:02:04:20 American Water Works Association.
Annular space, annulus.
Water Rights - Well Construction Standards: ARSD 74:02:04:20 The space between two concentric cylinders or circular objects, such as the space between the borehole wall and the casing or between two casings.
Antipollution devices.
Chemigation: SDCL 34A-2A-1 Any mechanical equipment used to reduce hazard to the environment in cases of malfunction or shutdown of chemigation equipment during chemigation and may include, but is not limited to, interlock, waterline check valve, chemical line closure device, vacuum relief device and automatic low pressure drain.
Appropriation.
An authorization granted by the state Water Management Board to make a private, beneficial use of the state's water resources – SDCL 46-1-3.
Approved.
Water Rights - Well Construction Standards: ARSD 74:02:04:20 Acceptable under an applicable standard of this chapter or accepted as suitable for the proposed use by the water management board or chief engineer.
Aquifer.
Water Rights - Well Construction Standards: ARSD 74:02:04:20 A geologic formation, a group of geologic formations, or part of a geologic formation that contains sufficient saturated permeable material to yield quantities of groundwater to wells and springs.
Water Rights – Financial Assurance: ARSD 74:07:01:01 A geologic formation, group of geologic formations, or part of a geologic formation that contains sufficient saturated permeable material to yield economical quantities of water to wells and springs.
Area capacity curves.
Water Rights - Safety of Dams: ARSD 74:02:08:01 Graphic curves which show the relationship between reservoir surface area and the storage capacity of the reservoir at given elevations.
ARSD.
Administrative Rules of South Dakota.
Artesian aquifer.
Water Rights - Well Construction Standards: ARSD 74:02:04:20 A confined aquifer.
Artesian pressure.
Water Rights - Well Construction Standards: ARSD 74:02:04:20 The natural force which causes water in a well penetrating an aquifer to rise above the top of the aquifer and produces flowing wells when the pressure is sufficient to force the water above the land surface.
Artesian water.
Water Rights: SDCL 46-1-6 Any confined groundwater that is under sufficient pressure to rise above its confining bed.
Artesian well.
Water Rights: SDCL 46-1-6 Any well drilled into artesian waters as defined herein which flows naturally or is pumped by mechanical means.
Bedrock.
Water Rights - Well Construction Standards: ARSD 74:02:04:20 Any geologic formation or sediment of Pliocene age or older, including the following formations: Ogallala, Arikaree, Hell Creek, Fox Hills, Niobrara, Codell, Dakota, Inyan Kara, Minnelusa, Madison, and Deadwood.
Beneficial use.
Water Rights: SDCL 46-1-6 Any use of water within or outside the state, that is reasonable and useful and beneficial to the appropriator, and at the same time is consistent with the interests of the public of this state in the best utilization of water supplies.
Bentonite.
Water Rights - Well Construction Standards: ARSD 74:02:04:20 A highly plastic, colloidal clay composed largely of the mineral montmorillonite.
Bentonite grout.
Water Rights - Well Construction Standards: ARSD 74:02:04:20 a mixture consisting of a high solids, sodium bentonite material, approved by the chief engineer, which has been commercially manufactured and specially formulated for use as a well casing seal or to plug a borehole or abandoned well.
Board.
Water Rights: SDCL 43-17-20 The water management board created by 1-40-15 and further defined in 1-40-19.
Water Rights: SDCL 46-1-6 and Water Rights – Financial Assurance: ARSD 74:07:01:01 The water management board created by 1-40-15.
Breach analysis.
Water Rights - Safety of Dams: ARSD 74:02:08:01 A simulated dam failure performed to determine the outflow hydrograph and to route the resulting flood wave.
Cancel.
Termination of the right to make a beneficial use of water resulting from abandonment or forfeiture of the beneficial use – SDCL 46-5-37.1.
Casing.
Water Rights - Well Construction Standards: ARSD 74:02:04:20 A tubular structure, generally of metal, concrete, or thermoplastic, which is installed in the hole to maintain the well opening.
Category 1 dam.
Water Rights - Safety of Dams: ARSD 74:02:08:01 A high hazard dam whose failure may cause loss of life.
Category 2 dam.
Water Rights - Safety of Dams: ARSD 74:02:08:01 A significant hazard dam whose failure may cause damage to buildings, highways, railroads, bridges, or public utilities; loss of a water supply reservoir for a water distribution system; other extensive economic loss; or the reservoir is the only source of water for a water distribution system.
Category 3 dam.
Water Rights - Safety of Dams: ARSD 74:02:08:01 A low hazard dam whose failure may cause limited damage to agricultural lands or county and township roads or minimum economic loss.
Cement grout.
Water Rights - Well Construction Standards: ARSD 74:02:04:20 A mixture consisting of a high-sulfate-resistant type portland cement and no more than six gallons of water for each 94-pound sack of cement.
Cementing.
Water Rights - Well Construction Standards: ARSD 74:02:04:20 The process of mixing and placing cement grout in a hole to prevent the vertical movement of fluids in the hole or the annulus.
Centralizer.
Water Rights - Well Construction Standards: ARSD 74:02:04:20 A device used to center the casing in the hole.
CFS.
Cubic feet per second – SDCL 46-1-7.
Check valve.
Water Rights - Chemigation: ARSD 74:02:09:01 A device that provides a positive (absolute) closure which prohibits the flow of material or liquid in the opposite direction of that desired when operation of the irrigation system pumping plant or chemical injection unit fails or is shut down.
Chemical.
Chemigation: SDCL 34A-2A-1 Any fertilizer or pesticide.
Chemigation.
Chemigation: SDCL 34A-2A-1 Any process whereby chemicals are added to irrigation water applied to land or crop or both through an irrigation system.
Chief engineer.
Chemigation: SDCL 34A-2A-1 The officer employed by the department of environment and natural resources pursuant to 46-2-3.
Water Rights: SDCL 46-1-6 The officer employed pursuant to 46-2-3, or his
authorized representative.
Clay.
Water Rights - Well Construction Standards: ARSD 74:02:04:20 A fine-grained
inorganic material, less than 0.0002 inches or less than 0.004 millimeters in diameter,
which has very low permeability.
Commercial use.
Water Rights: ARSD 74:02:01:01 Water use supplied from other than a common water
distribution system to a business such as a truckstop; tourist attraction; eating,
drinking, or lodging establishment; commercial campground; convenience store; implement
business; salvage business; or any other business or to a livestock confinement feeding
operation that exceeds reasonable domestic use.
Confined aquifer.
Water Rights – Well Construction Standards: ARSD 74:02:04:20 "artesian
aquifer," An aquifer in which the groundwater is isolated from the atmosphere by
geologic formations of low permeability and in which the water levels of wells completed
into the aquifer rise above the top of the aquifer.
Conservation storage capacity.
Water Rights - Safety of Dams: ARSD 74:02:08:01 The volume in acre-feet in the
reservoir at the crest of the primary spillway.
Dam.
Water Rights – General Rules: ARSD 74:02:01:01 As used in chapter 74:02:01,
an artificial barrier, including appurtenant works, which impounds or diverts water.
Water Rights - Safety of Dams: ARSD 74:02:08:01 For the purpose of this chapter
an artificial barrier, including appurtenant works, which impounds or diverts water and
which is 25 feet or more in height from the natural bed of the stream or watercourse
measured at the downstream toe of the barrier or from the lowest elevation of the outside
limit of the barrier, if it is not across a stream channel or watercourse, to the maximum
water storage elevation or has an impounding capacity at maximum water storage elevation
of 50 acre-feet or more. A barrier is not considered a dam for the purpose of this chapter
if the height does not exceed 6 feet regardless of storage capacity or if the storage
capacity at maximum water storage elevation does not exceed 15 acre-feet regardless of
height.
Department.
Water Rights: SDCL 46-1-6 and Water Rights – Financial Assurance: ARSD
74:07:01:01 The department of environment and natural resources.
Diameter.
Water Rights - Well Construction Standards: ARSD 74:02:04:20 The commercially
designated nominal inside dimension for pipe sizes 1/8 to 12 inches, inclusive, and the
outside dimension of pipe 14 inches and larger.
Diversion point.
The geographic location at which water is diverted for purposes of placing the water to
beneficial use. Examples of diversion points include wells, water storage dams, diversion
dams, dugouts, pump sites along a surface water source, etc.
Domestic use.
Water Rights: SDCL 46-1-6 Use of water not exceeding eighteen gallons per minute
on an average daily basis, except for larger domestic wells in operation prior to July 1,
1983, by an individual, or by a family unit or household, for drinking, washing, sanitary
and culinary purposes and other ordinary household purposes; irrigation of a noncommercial
family garden, trees, shrubbery or orchard not greater in area than one acre; eighteen
gallons per minute or less for uses in schools, parks and other public recreation areas;
geothermal heat for a single household; or noncommercial on-farm alcohol production. The
use of water supplied by a water distribution system for the preceding purposes, for the
occupants of schools, hospitals and other custodial care facilities and for fire
protection is a domestic use as against appropriative rights having a priority after June
30, 1978. Stock watering is a domestic use. Use of groundwater by water distribution
systems, except for irrigation purposes is a domestic use except where groundwater and
water in flowing streams constitute the same water supply source, but only to the extent
the water was actually used prior to July 1, 1978.
Drawdown.
Water Rights - Well Construction Standards: ARSD 74:02:04:20 The difference in
levels between the static water level and the pumping or dynamic water level in a well.
Drip irrigation.
Water Rights - Appropriation of Water: SDCL 46-5-50 For purposes of 46-5-51,
the term, "drip irrigation," means a planned irrigation system in which water is
applied directly to the root zone of plants by means of applicators, such as orifices,
emitters, porous tubing or perforated pipe, that are operated under low pressure and are
placed on or below the surface of the ground.
Driven well.
Water Rights – Well Construction Standards: ARSD 74:02:04:20 A well
constructed in an unconsolidated formation by driving the casing from the ground surface
to the final casing depth as the well is deepened.
Dry draw.
Water Rights: SDCL 46-1-6 Any ravine or watercourse not having an average daily
flow of at least 0.4 cubic feet per second (twenty miner's inches) of water during the
period May first to September thirtieth, inclusive. This shall not, however, apply to a
body of water such as a natural or publicly owned lake.
Dugout.
Water Rights: ARSD 74:02:01:01 A man-made excavation below the ground surface
that is used for storing water.
Effective height.
Water Rights - Safety of Dams: ARSD 74:02:08:01 The difference in elevation in
feet between the lowest point in the cross section taken along the centerline of the dam
and crest of the emergency spillway. If there is no emergency spillway, the top of the dam
is the upper limit.
Emergency preparedness plan, EPP.
Water Rights - Safety of Dams: ARSD 74:02:08:01 A predetermined plan of action
to be taken to reduce the potential for property damage and loss of lives in an area that
may be affected by a dam break.
Energy industry use.
Water Rights: SDCL 46-1-6 The use of water in an amount in excess of one
thousand acre-feet per year as a medium for carrying coal or other energy minerals, or in
the extraction or refining of energy minerals.
Energy industry user.
Water Rights: SDCL 46-1-6 A natural person, firm, partnership, association,
syndicate, corporation, joint venture, public entity, or state or federal agency using or
supplying water for energy industry use.
Energy minerals.
Water Rights: SDCL 46-1-6 Energy minerals as that term is defined in
10-39A-1.1.
Engineer.
Water Rights - Safety of Dams: ARSD 74:02:08:01 A person who is registered as a
professional engineer pursuant to SDCL 36-18, or a person who is employed by a federal or
state agency and who designs or inspects dams as part of the person's employment, acting
under the supervision of a professional engineer registered pursuant to SDCL 36-18.
Experimentation and research and development.
Weather Modification: SDCL 46-3A-1 Means theoretical exploration and
experimentation and the extension of investigative findings and theories of a scientific
or technical nature in the practical application for experimental and demonstrative
purposes, including the experimental producing and testing of model devices, equipment,
materials and processes.
Fertilizer.
Chemigation: SDCL 34A-2A-1 Any formulation or product used as a plant nutrient
which is intended to promote plant growth and contains one or more plant nutrients.
50-year, 24-hour duration flood.
Water Rights - Safety of Dams: ARSD 74:02:08:01 The flood magnitude expected to
be equaled or exceeded on the average of once in 50 years, with a two percent chance of
being exceeded in any given year, determined by using the 50-year, 24-hour storm unless
gauging data is available and proved to be accurate.
Financial assurance.
Water Rights – Financial Assurance: ARSD 74:07:01:01 A financial
instrument, documentation, or other means to guarantee that sufficient funds are available
to ensure the performance of corrective actions to contain, mitigate, and remediate all
pollution, contamination, or degradation of the environment that may result from an
impact.
Flood plain.
Water Rights - Storage, Diversion and Irrigation: SDCL 46-7-5.4 An area below
the dam that has been or may be covered with water from natural runoff or from any failure
of the dam.
Forfeiture.
Water Rights: SDCL 46-5-37 When any person entitled to the use of appropriated
water fails to use beneficially all or any part of such water for the purpose for which it
was appropriated, for a period of three years, such unused water shall revert to the
public and shall be regarded as unappropriated public water.
Freeboard.
Water Rights - Safety of Dams: ARSD 74:02:08 The vertical distance between the
top of the dam and the estimated maximum water level.
Future use permit.
A water appropriation reserving a definite amount of water with a specified priority
date – SDCL 46-5-38.1.
Gate.
Water Rights – Fences Crossing Navigable Streams: ARSD 74:02:10:01 Means a
section of the fence, including switchbacks and other devices, that crosses a stream, as
allowed by SDCL 43-17-35, and that can be opened to allow safe passage.
Geophysical logging.
Water Rights – Well Construction Standards: ARSD 74:02:04:20 A technique
that measures a physical, chemical, or radioactive property of the subsurface, either
characteristic of the formation fluid or of the formation in which the fluid occurs, such
as resistivity and self-potential logging (electric logging), gamma and neutron logging
(radiation logging), caliper logging, temperature logging, and photographic logging.
GPM.
Gallons per minute.
Gravel-packed well.
Water Rights: ARSD 74:02:01:01.01 A well in which filter material is placed in
the annular space to help prevent fine-grain sediments from entering the well and to
stabilize the sediments around the well screen.
Groundwater.
Water Rights: SDCL 46-1-6 Water under the surface, whatever may be the geologic
reservoir in which it is standing or moving.
Grout.
Water Rights: Well Construction Standards ARSD 74:02:04:20 A slurry which is
used to form a permanent, impervious seal in the annular space or to fill and seal
abandoned holes or wells.
Heat of hydration.
Water Rights: Well Construction Standards ARSD 74:02:04:20 The heat evolved
during the setting and hardening of portland cement or cement grout.
Height.
Water Rights - Safety of Dams: ARSD 74:02:08:01 The difference in the elevation
of either the natural bed of the stream or watercourse or the lowest point on the toe of
the dam, whichever is lower, and the crest elevation of the dam.
High-hazard dam.
Water Rights - Storage, Diversion and Irrigation: SDCL 46-7-5.4 A dam whose
failure may cause loss of life.
>Horizontal closed-loop system.
Water Rights: Well Construction Standards ARSD 74:02:04:20 A continuous length
of sealed pipe that is installed in trenches or ditches with the ends connected to a water
to air heat pump allowing the system to transfer heat from the ground to the liquid in the
pipe or transfer heat from the liquid to the ground.
Hydraulic collapse resistance.
Water Rights: Well Construction Standards ARSD 74:02:04:20 The capability of
well casing to withstand collapsing pressure under external loads.
Immediate family.
Water Rights - Storage, Diversion and Irrigation: SDCL 46-7-5.4 The owner, the
owner's spouse, and their minor children.
Impact.
Water Rights – Financial Assurance: ARSD 74:07:01:01 Pollution,
contamination, or degradation of the environment caused by wastewater or associated solids
that may result from either abandonment of the permitted activity or from an event not
caused by an act of nature.
Inspection.
Water Rights - Safety of Dams: ARSD 74:02:08:01 A visual or mechanical check by
measuring, boring, or any method necessary to determine the adequacy of construction
techniques and the safety and operating performance of a dam.
Interlock.
Water Rights - Chemigation: ARSD 74:02:09:01 The arrangement or interconnection
of the irrigation pump, chemical injection units, and other pumps or supply tanks so that
total shutdown of the system will occur if any component malfunctions or fails.
Intermediate storage capacity.
Water Rights - Safety of Dams: ARSD 74:02:08:01 The volume in acre-feet in the
reservoir at the crest of the emergency spillway.
Irrigation.
Water Rights: ARSD 74:02:01:01 The artificial application of water for the
purpose of supplying sufficient moisture for plant growth. Disposal of contaminated water
is not considered to be irrigation unless other water is use along with the contaminated
water.
Irrigation system.
Chemigation: SDCL 34A-2A-1 Any device or combination of devices having a hose,
pipe, or other conduit which connects directly to any source of ground or surface water,
through which water or a mixture of water and chemicals is drawn and applied to land or
crop or both. The term does not include any handheld hose sprayer or other similar device
which is constructed so that an interruption in water flow automatically prevents any
backflow to the water source.
Large capacity well.
Water Rights: SDCL 46-1-6 A well capable of delivering water in excess of four
one-hundredths cubic feet per second or eighteen gallons per minute.
Low permeability.
Water Rights: Well Construction Standards ARSD 74:02:04:20 Permeability of
.000001 centimeters per second or less.
Low-pressure drain.
Water Rights - Chemigation: ARSD 74:02:09:01 A self-activating device to drain
that portion of an irrigation pipeline or conduit whose contents could potentially enter
the water supply when operation of the irrigation system pumping plant fails or is shut
down.
Maximum storage capacity.
Water Rights - Safety of Dams: ARSD 74:02:08:01 The volume in acre-feet in the
reservoir at the crest of the dam.
Miner's inch.
Water Rights: SDCL 46-1-7 One-fiftieth of a cubic foot per second in all cases,
except when some other equivalent of the cubic foot per second has been specially stated
by the contract or has been established by actual measurement or use, or by court decree.
Minimum well.
Water Rights - Well Construction Standards: ARSD 74:02:04:20 A well that
at least meets the provisions of SDCL chapter 46-6 and this chapter.
Municipal use.
Water Rights: SDCL 46-1-6 The use of water by the state through its
institutions, facilities, and properties or by a municipality, and, with regard to
municipal rights having a priority before July 1, 1978, by the inhabitants thereof, for
household, custodial care, and fire protection purposes, whether supplied by the
government or by a privately owned public utility or other agency, primarily to promote
the life, safety, health, comfort, and business pursuits of the state, municipality, and
the inhabitants thereof. It does not include the irrigation of crops on a commercial
scale, even within the limits of the state institution, facility property, or
municipality. Nor does it include large recreational uses such as lakes.
NSF.
Water Rights - Well Construction Standards: ARSD 74:02:04:20 National Sanitation
Foundation.
Noncommercial purposes.
Water Rights - Appropriation of Water: SDCL 46-5-52 For purposes of 46-5-51,
the term, "noncommercial purposes," means tree plantings specifically for
conservation purposes, excluding trees planted for ornamental or commercial purposes.
Observation or monitoring well.
Water Rights – Well Construction Standards: ARSD 74:02:04:20 A cased
well used for measuring groundwater levels or collecting water samples.
100-year flood.
Water Rights - Safety of Dams: ARSD 74:02:08:01 The flood magnitude expected to
be equaled or exceeded on the average of once in 100 years, with a one percent chance of
being exceeded in any given year, determined by using the 100-year, 24-hour, storm unless
gauging data is available and proved to be accurate.
Operation.
Weather Modification: SDCL 46-3A-1 The term "operation" means the
performance of weather modification activities entered into for the purpose of producing,
or attempting to produce, a certain modifying effect within one geographical area over one
continuing time interval not exceeding one year.
Ordinary high water mark.
Water Rights: SDCL 43-17-20 The term as defined in decisions rendered by the
courts of this state.
Ordinary low water mark.
Water Rights: SDCL 43-17-20 The term as defined in decisions rendered by the
courts of this state.
Owner.
Water Rights - Groundwater and Wells: SDCL 46-6-18 The owner of property on
which an abandoned or forfeited well is located is deemed to be the owner of the well.
a) Owner and operator.
Water Rights – Financial Assurance: ARSD 74:07:01:01 Any person legally
responsible for an activity authorized by a permit.
b) Owner, Dam owner.
Water Rights - Safety of Dams: ARSD 74:02:08:01 A person as defined by SDCL
46-1-6(1) who owns, controls, operates, maintains, manages, or proposes to construct a dam
or reservoir.
Packer,
Water Rights – Well Construction Standards: ARSD 74:02:04:20 A
device placed in a well for the purpose of sealing an annular space.
Perforations.
Water Rights – Well Construction Standards: ARSD 74:02:04:20 A
series of openings in a well casing made either before or after installation of the casing
to permit the entrance of water into the well.
Permit.
Water Rights – Financial Assurance: ARSD 74:07:01:01 A water right permit,
water right, validated vested water right, water quality variance permit, ground water
discharge facility construction permit, or ground water discharge permit that is granted,
amended, extended, or renewed by the board and which may include conditions or
qualifications.
Person.
Water Rights: SDCL 46-1-6 A natural person, a partnership, an association, a
corporation, a municipality, the state of South Dakota and any political subdivision
thereof, and agency of the federal government.
Weather Modification: SDCL 46-3A-1 The term "person" means any person,
firm, association, organization, partnership, company, corporation, private or public
county, city, trust, or other public agencies.
Pesticide.
Chemigation: SDCL 34A-2A-1 Any substance or mixture of substances intended for
preventing, destroying, repelling, or mitigating any pests, or any substance or mixture of
substances intended for use as a plant regulator, defoliant, or desiccant.
Pitless unit or pitless adaptor.
Water Rights – Well Construction Standards: ARSD 74:02:04:20 A unit or
adapter designed to permit water service pipes to pass through the wall of the well casing
below the frostline, to prevent entrance of contaminants, and to provide full access to
the water system components within the well.
Pollution source.
Water Rights – Well Construction Standards: ARSD 74:02:04:20 Anything
that causes groundwater pollution including but not limited to the following:
a. Wastes, point source, and pollutant as definec by 34A-2-2.
b. Wastewater absorption, evapotranspiration, and graywater systems.
c. Seepage pits, cesspools, No dak systems, mounds, and pit privies as described by
chapter 74:03:01.
d. Barnyards, barngutters, feed lots, animal pens, and farm silos.
Portland cement.
Water Rights: ARSD 74:02:01:01.01 A substance defined by ASTM standards C150-89,
a "Standard Specification for Portland Cement."
psi.
Water Rights – Well Construction Standards: ARSD 74:02:04:20 A unit
of pressure, pounds per square inch.
Preliminary risk assessment.
Water Rights - Safety of Dams: ARSD 74:02:08:01 As applied to dam safety, the
process of identifying the downstream hazard potential for the purpose of classifying a
dam.
Pressure grouting
Water Rights – Well Construction Standards: ARSD 74:02:04:20 The positive
placement of grout by introducing the grout at the bottom of the void to be grouted.
Probable maximum flood, PMF.
Water Rights - Safety of Dams: ARSD 74:02:08:01 The flood that may be expected
from the most severe combination of critical meteorologic and hydrologic conditions that
are possible in the region.
Priority of appropriation.
Water Rights: SDCL 46-5-7 As between appropriators, the first in time is the
first in right. The priority of the appropriation shall date from the time of filing of
the application therefor in the office of the water management board.
Probable maximum precipitation.
Water Rights – Safety of Dams: ARSD 74:02:08:01 "PMP," The
precipitation that may be expected from the most severe combination of critical
meteorologic conditions that are reasonably possible in an area as found in the National
Weather Service Hydrometeorological Report No. 51, "Probable Maximum Precipitation
Estimates, United States East of the 105th Meridian"; or Hydrometeorological Report
No. 55, "Probable Maximum Precipitation Estimates, United States Between the
Continental Divide and the 103rd Meridian".
Process water.
Water Rights - Safety of Dams: ARSD 74:02:08:01 Water that may have chemicals,
sewage, metals, or any other material added to it during the use of the water in an
operation.
Public recreation areas.
Water Rights - General Rules: ARSD 74:02:01:01.01 As used in SDCL 46-1-6(7),
means campgrounds, parks, roadside rest areas, and other publicly owned recreation areas
that are open to the public and golf courses that are open to the public.
Public water supply well.
Water Rights – Well Construction Standards: ARSD 74:02:04:20 A well that
supplies water to one or more of the following:
(a) Water distribution systems as defined by SDCL 46-1-6(17);
(b) Community water systems as defined by subdivision 74:04:05:01(3);
(c) Water supplied from other than a common water distribution system to the public
from such facilities as campgrounds, tourist attractions, roadside parks, rest areas,
churches, hospitals, nursing homes, schools, or eating, drinking, lodging, and other
commercial business establishments or for commercial use as defined by subdivision
74:02:01:01(1) or for manufacturing or industrial operations; and
(d) Noncommunity water systems as defined by subdivision 74:04:05:01(27)
Pump.
Water Rights – Well Construction Standards: ARSD 74:02:04:20 Equipment
installed at ground surface or in a well which delivers water from an aquifer or storage
unit.
Reasonable domestic use.
Water Rights: ARSD 74:02:01:01 The use of 25,920 gallons of water per day or
less as necessary for domestic purposes, with a maximum pumping rate of 25 gallons per
minute.
Risk assessment.
Water Rights - Safety of Dams: ARSD 74:02:08:01 As applied to dam safety, the
process of identifying the likelihood and consequence of dam failure to provide the basis
for informed decisions on a course of action.
Sack of cement.
Water Rights -Well Construction Standards: ARSD 74:02:04:20 94 pounds, dry
weight, of an approved portland cement.
Saturated material.
Water Rights - Well Construction Standards: ARSD 74:02:04:20 A material whose
openings or pores are filled with water.
Sewer lines.
Water Rights - Well Construction Standards: ARSD 74:02:04:20 Buried pipe
constructed and tested in compliance with ANSI/AWWA, Standards C600-87, C603-90, or
C-900-89.
Specific capacity.
Water Rights – Well Construction Standards: ARSD 74:02:04:20 Well yield in
gallons per minute per foot of drawdown.
Spillway.
Water Rights - Safety of Dams: ARSD 74:02:08:01 An open or closed channel,
conduit, or drop structure used to convey water from a reservoir.
Spillway design flood.
Water Rights - Safety of Dams: ARSD 74:02:08:01 The flood that the spillway of a
given project is designated to pass safely without overtopping the structure.
Static water level.
Water Rights – Well Construction Standards: ARSD 74:02:04:20 The depth to
water measured from the ground surface; shut-in pressure measured at the ground surface.
Stock watering.
Water Rights: ARSD 74:02:01:01 Watering of animals as follows:
a. Domestic and other farm animals.
b. Livestock in confinement feeding operations that do not exceed reasonable domestic
use.
Surge.
Water Rights – Well Construction Standards: ARSD 74:02:04:20 Waves of
pressure that are either positive, higher than the normal pressure level, or negative,
below the normal pressure level.
Temporary permit.
A temporary authorization issued by the chief engineer for the use of public water for
construction, testing or drilling purposes without any grant of water rights. No
authorization is valid past December 31 of the year in which the authorization was issued
– SDCL 46-5-40.1.
Temporary use permit.
Before development of part or all of the water appropriated under a future use permit
or permit, a temporary appropriation of the water may be made – SDCL 46-5-39.
Test hole.
Water Rights - Well Construction Standards: ARSD 74:02:04:20 A hole designed to
obtain information on groundwater quality or geological and hydrological conditions, or
both.
Test well.
Water Rights – Well Construction Standards: ARSD 74:02:04:20 A well
constructed for aquifer testing.
Thermoplastic casing.
Water Rights – Well Construction Standards: ARSD 74:02:04:20 Water well
casing made from acrylonitrile-butadiene-styrene (ABS), polyvinyl chloride (PVC), or
styrene rubber (SR).
Till.
Water Rights – Well Construction Standards: ARSD 74:02:04:20 Unstratified
glacial drift deposited directly by the ice, consisting of mostly clay as matrix, sand,
gravel, and boulders.
Top of the aquifer.
Water Rights - Well Construction Standards: ARSD 74:02:04:20 The uppermost point
at which saturated conditions are found.
Tremie pipe.
Water Rights – Well Construction Standards: ARSD 74:02:04:20 A pipe that
carries grout to the bottom of the hole or well and allows placement of the grout under
pressure from the bottom to the top of the hole or well; a pipe that carries gravel pack
to the screened area of the well.
25-year, 24-hour duration flood.
Water Rights - Safety of Dams: ARSD 74:02:08:01 The flood magnitude expected to
be equaled or exceeded on the average of once in 25 years, with a four percent chance of
being exceeded in any given year, determined by using the 25-year, 24-hour storm unless
gauging data is available and proved to be accurate.
Unconfined aquifer.
Water Rights – Well Construction Standards: ARSD 74:02:04:20"water
table aquifer," An aquifer in which the uppermost groundwater surface is at
atmospheric pressure.
Uncontrolled artesian well
Water Rights - Groundwater and Wells: SDCL 46-6-15 By uncontrolled artesian well
is meant one that cannot be controlled by mechanical means.
Vacuum relief valve.
Water Rights - Chemigation: ARSD 74:02:09:01 A device that automatically
relieves or breaks vacuum in an irrigation pipeline or conduit due to system failure or
shutdown.
Vertical closed-loop system.
Water Rights – Well Construction Standards: ARSD 74:02:04:20 A continuous
length of sealed pipe that is installed in one or more drill holes for the purpose of
utilizing geothermal heat.
Vested rights.
Water Rights: SDCL 46-1-9 The term "vested rights" used in this title,
unless the context otherwise clearly requires, means:
a. The right of a riparian owner to continue to use water actually applied to any
beneficial use on March 2, 1955, or within three years immediately prior to that date to
the extent of the existing beneficial use made of the water.
b. Use for domestic purposes as that term is defined in subdivision (7) of 46-1-6.
c. The right of a riparian owner to take and use water for beneficial purposes if the
riparian owner was engaged in the construction of works for the actual application of the
water to a beneficial use on March 2, 1955, provided the works were completed and water
was applied to use within a reasonable time thereafter.
d. Rights granted before July 1,
1955, by court decree.
e. Uses of water under diversions and applications of water prior to the passage of the
1907 water law and not subsequently abandoned or forfeited.
Water Rights – Dry Draw and Nonnavigable Stream Dams: SDCL 46-4-5 The right
of any person to continue the use of water from any dry-draw is a "vested
right," to the extent it is not abandoned or forfeited and:
(1) The water had actually been applied to a beneficial use on March 18, 1957, or
within three years immediately prior thereto to the extent of the actual beneficial use
thereof; or
(2) The dry-draw owner was engaged in the construction of works for the actual
application of water to a beneficial use on March 18, 1957, provided that such works were
completed and water actually applied for such use within a reasonable time thereafter, to
the extent of actual beneficial use thereof; or
(3) The dry-draw owner filed a location notice and constructed or was in the process of
constructing the dry-draw structure on December 31, 1982, provided that the works were
completed and water actually applied to beneficial use within a reasonable time to the
extent of actual beneficial use.
Water Rights - Groundwater and Wells: SDCL 46-6-1 The term "vested
rights" used in this chapter, unless the context otherwise plainly requires, shall
mean:
a. Beneficial uses of groundwater under diversion and applications of water prior to
February 28, 1955.
b. The right to take and use groundwater for beneficial purposes where an owner or
lawful agent was engaged in the construction of works for the actual application of water
to a beneficial use on February 28, 1955, provided such works shall be completed and water
is actually applied for such use within a reasonable time thereafter.
Wastewater system components.
Water Rights – Well Construction Standards: ARSD 74:02:04:20 Septic tank,
aerobic system, vault privy, holding tank, sewer lines of tightly jointed tile or
equivalent material, or nonconventional systems described or defined by chapter 74:03:01.
Water/cement ratio.
Water Rights – Well Construction Standards: ARSD 74:02:04:20 The gallons of
mixing water used for each sack of cement.
Water distribution system.
Water Rights: SDCL 46-1-6 A system of piping, valves, storage tanks, pumps, and
appurtenances by which water is conveyed for domestic or municipal use by a common
distribution system, including a municipality as defined in 9-1-1, a nonprofit rural
water supply company as defined in 10-36A-1, a water user district as defined in
46A-9-2, a sanitary district as defined in chapter 34A-5, or homes, including mobile homes
as defined in 32-3-1 and manufactured homes as defined in 34-34A-1.1 supplied by a
common distribution system.
Water hammer.
Water Rights – Well Construction Standards: ARSD 74:02:04:20 A momentary
increase in flow or a positive surge in pressure that passes lengthwise along a pipe,
usually due to sudden changes in velocity or quantity of fluid in the pipe. NOTE:
Water hammer in a flowing well can occur when a valve is closed rapidly, causing the
moving column of water in the well to suddenly slow or stop. The faster the water column
is slowed and stopped, the greater the stress or pressure on the casing, joints, and
packers and the greater the disturbance of unstable formation materials near the drill
hole.
Water hammer arresters.
Water Rights – Well Construction Standards: ARSD 74:02:04:20 Engineered
mechanical devices having a cushion of air or gas permanently sealed in the unit, designed
to provide continuous protection, without maintenance, against water hammer or excessive
water surge pressure.
Water license.
A legal document issued to the holder of a water right permit following an on-site
investigation of the water use project. A water license documents the extent to the which
water has been placed to beneficial use.
Water Management Board
A seven member citizen's board appointed by the Governor representing various segments
of the public in water resource-related matters – SDCL Chapter 1-40.
Water right.
A water appropriation for which a water license has been issued.
Water right permit.
A legal document issued to the holder of an approved application to appropriate water.
A water right permit includes a description of the approved water appropriation, time
frame to complete construction of works and application of water to beneficial use, and
other qualifications regarding use of the water.
Water shortage.
Water Rights – Regulation of Groundwater Use: ARSD 74:02:05:01 The lessened
water supply conditions existing in an aquifer during a period of substantially less than
average annual recharge.
Water table aquifer.
Water Rights – Well Construction Standards: ARSD 74:02:04:20 An unconfined
aquifer.
>Weather modification.
Weather Modification: SDCL 46-3A-1 The term "weather modification"
means performing any activity with the intention of producing artificial changes in the
composition, behavior, or dynamics of the atmosphere.
Well.
Water Rights: SDCL 46-1-6 An artificial excavation or opening in the ground,
made by means of digging, boring, drilling, jetting, or by any other artificial method,
for the purpose of obtaining groundwater. Any series of openings, borings, or drillings
developed and pumped collectively by a single pump unit shall be considered as one well.
Well driller.
Water Rights: SDCL 46-1-6 Any person or persons engaged in the commercial
drilling or construction, redrilling, and rebuilding of wells in this state.
Well rehabilitation
Water Rights – Well Construction Standards: ARSD 74:02:04:20 Restoration of
a well to beneficial use by recasing, rebuilding, repairing, and resealing the well to
provide for continued use of the well as a water supply, but not cleaning, acidizing, pump
removal, or pump repair by itself.
Well screen.
Water Rights – Well Construction Standards: ARSD 74:02:04:20 The intake
structure of a well which allows water to enter the well and which helps prevent formation
material from entering with the water.