South Dakota Administrative Rules › Title 74 - Department of Environment And Natural Resources › Article 74:51 - Surface water quality › Chapter 74:51:01 - Surface water quality standards › Section 74:51:01:01 - Definitions

Current through Register Vol. 51, page 10, July 15, 2024
Words and phrases defined in SDCL
	 34A-2-2, have the same meaning
	 when used in chapters 74:51:01 through 74:51:03, inclusive. Terms and
	 abbreviations which are not specifically defined shall be construed in
	 conformance with the context and in relation to the applicable section of the
	 standards or the statute concerned. In addition, terms used in chapters
	 74:51:01 through 74:51:03, inclusive, are defined as follows:
(1) "Attainable beneficial uses," those
  beneficial uses which, at a minimum, can be achieved by the imposition of
  effluent limits required under §§
									74:51:01:07,
  74:51:01:08, and 74:51:01:17
  through 74:51:01:21, inclusive, and cost-effective and reasonable best
  management practices for nonpoint source control;
(2) "Aquatic life," an organism dependent on
  the water environment to either propagate or survive, or both;
(3) "Aquatic community," an association of
  interacting populations and stages of aquatic life in a given water body or
  habitat;
(4) "Best management
  practices," "BMPs," schedules of activities, prohibitions of practice,
  maintenance procedures, and other management practices to prevent or reduce the
  pollution of surface waters of the state on a voluntary basis, including
  treatment requirements, operating procedures, and practices to control site
  runoff, spillage or leaks, sludge, waste disposal, or drainage from raw
  material storage;
(5)
  "Bioaccumulative pollutants," those pollutants which are taken up, retained, or
  accumulated in the bodies of organisms and are transferred by ingestion in
  increasing concentrations in the predator organisms to the point that one or
  more organisms in the food chain suffer significant harm;
(6) "Bioassay," a procedure in which the
  responses of organisms are used to detect or measure the presence or effect of
  one or more substances, wastes, effluents, or environmental factors, alone or
  in combination;
(7) "Biochemical
  oxygen demand," a standardized laboratory test used to determine the relative
  oxygen requirements of waters and wastewaters;
(8) "Biological integrity," the ability to
  support and maintain a balanced, integrated, adaptive community of organisms
  having a species composition, diversity, and functional organization comparable
  to that of the natural habitat of the region;
(9) "Black Hills Trout Management Area,"
  defined by the South Dakota Department of Game, Fish and Parks as all the
  waters in the Black Hills within the following boundary: from the South
  Dakota-Wyoming state line and the Redwater River (inclusive) to U.S. Highway
  85, then south on U.S. Highway 85 to I-90, then southeast on I-90 to U.S.
  Highway 16T (16B in Rapid City), then south on U.S. Highway 16T to S.D. Highway
  79, then south on S.D. Highway 79 to Maverick Junction, then west on Highway 18
  to Edgemont, then northwest along the Burlington Northern Railroad to the South
  Dakota-Wyoming state line, then north along the state line to the point of the
  beginning;
(10) "Board," Water
  Management Board;
(11) "°C,"
  degrees centigrade, a measure of temperature;
(12) "Coldwater aquatic life," aquatic life
  including fish of the family Salmonidae, for example, trout and
  salmon;
(13) "Coldwater marginal
  fish life propagation," a beneficial use assigned to surface waters of the
  state which support aquatic life and are suitable for stocked catchable-size
  coldwater fish during portions of the year, but which, because of critical
  natural conditions including low flows, siltation, or warm temperatures, are
  not suitable for a permanent coldwater fish population. Warmwater fish may also
  be present;
(14) "Coldwater
  permanent fish life propagation," a beneficial use assigned to surface waters
  of the state which are capable of supporting aquatic life and are suitable for
  supporting a permanent population of coldwater fish from natural reproduction
  or fingerling stocking. Warmwater fish may also be present;
(15) "Commerce and industry," a beneficial
  use assigned to surface waters of the state which are suitable for use as
  cooling water, industrial process water, navigation, and production of
  hydroelectric power;
(16)
  "Criterion," a designated concentration of a substance, measure of a physical
  factor, or narrative statement that, when not exceeded, will protect an
  organism, a biological community, or a prescribed beneficial use or water
  quality;
(17) "Designated
  beneficial uses," those beneficial uses specified in chapters 74:51:02 and
  74:51:03 for each water body or segment whether or not they are being
  attained;
(18) "Domestic water
  supply," a beneficial use assigned to surface waters of the state which are
  suitable for human consumption, culinary or food processing purposes, and other
  household purposes after suitable conventional treatment;
(19) "Epilimnion," in a thermally-stratified
  waterbody, the upper stratum of the water column. This layer is generally above
  the thermocline and is typically uniformly warm, circulating, and well
  mixed;
(20) "Existing beneficial
  uses," those uses actually attained in surface waters of the state on March 27,
  1973, whether or not they are so designated;
(21) "°F," degrees Fahrenheit, a measure
  of temperature;
(22) "Fish and
  wildlife propagation, recreation, and stock watering," a beneficial use
  classification assigned to all surface waters of the state that may support
  recreation in and on the water and fish and aquatic life, when sufficient
  quantities of water are present for sufficient duration to support those uses;
  that provide habitat for aquatic and semiaquatic wild animals and fowl; that
  provide natural food chain maintenance; and that are of suitable quality for
  watering domestic and wild animals;
(23) "Geometric mean," the nth root of a
  product of n factors;
(24)
  "Handbook 69,"
Maximum Permissible Body Burdens and Maximum Permissible
  Concentrations of Radionuclides in Air and in Water for Occupational
  Exposure
, recommendations of the National Committee on Radiation
  Protection,
National Bureau of Standards Handbook 69
, (August
  1963);
(25) "Hypolimnion," in a
  thermally-stratified waterbody, the bottom layer of water column. This layer is
  generally below the thermocline and is typically less well mixed (at times,
  stagnant), colder than the epilimnion, and often of essentially uniform
  temperature;
(26) "Immersion
  recreation," a beneficial use assigned to surface waters of the state which are
  suitable for uses where the human body may come in direct contact with the
  water, to the point of complete submersion and where water may be accidentally
  ingested or where certain sensitive organs such as the eyes, ears, and nose may
  be exposed to water;
(27) "Impact,"
  a man-induced change in the chemical, physical, or biological quality or
  condition of surface waters of the state;
(28) "Impairment," a detrimental effect on
  the aquatic community caused by an impact that prevents attainment of the
  designated use;
(29) "Irrigation,"
  a beneficial use assigned to surface waters of the state which are suitable for
  irrigating farm lands, ranch lands, gardens, and recreational areas;
(30) "Lake," a pond, reservoir, or other body
  of water, created by either natural or artificial means, but not a pond or
  appurtenance that is used for the treatment and disposal of wastes and that is
  permitted for such uses;
(31)
  "Limited-contact recreation," a beneficial use assigned to surface waters of
  the state which are suitable for boating, fishing, and other water-related
  recreation other than immersion recreation where a person's water contact would
  be limited to the extent that infections of eyes, ears, respiratory or
  digestive systems, or urogenital areas would normally be avoided;
(32) "Metalimnion," in a thermally stratified
  waterbody, the middle layer of a water column generally encompassing the
  thermocline, is typically somewhat mixed and influenced by the
  epilimnion;
(33) "µg/L,"
  micrograms per liter, a measure of concentration;
(34) "mg/L," milligrams per liter, a measure
  of concentration;
(35)
  "micromhos/cm," micromhos per centimeter, a measure of electrical
  conductivity;
(36) "Nonpoint
  source," a source of pollution that is not defined as a point source;
(37) "Parameter," a chemical, physical, or
  biological characteristic which affects the use of surface waters of the
  state;
(38) "pCi/L," picocuries per
  liter, a measure of radioactive concentration;
(39) "Segment," a continuous stretch of water
  found between two points in the bed of a stream;
(40) "Sodium adsorption ratio," a calculated
  value that evaluates the sodium hazard of irrigation water based on the Gapon
  equation and expressed by the mathematical expression:
Click here to view
	 image
where Na+, Ca+2,
	 and Mg+2 are expressed as milliequivalents per
	 liter;
(41) "Spawning bed,"
  a place where fish spawn;
(42)
  "Stream," a river, creek, tributary, or other watercourse;
(43) "Surface water of the state," lakes,
  ponds, streams, rivers, wetlands, and any other body or accumulation of water
  on the land surface that is considered to be waters of the state, but not waste
  treatment systems, including treatment ponds, lagoons, leachate collection
  ponds, or stormwater retention ponds designed to meet the requirements of the
  CWA;
(44) "Thermocline," in a
  thermally-stratified waterbody, the depth range characterized by a rapid change
  in temperature with depth. A thermocline generally separates a well-mixed
  surface layer (epilimnion) and a more uniform bottom layer
  (hypolimnion);
(45) "Thirty-day
  average," the arithmetic mean of a minimum of 3 consecutive grab or composite
  samples taken on separate weeks in a 30-day period;
(46) "Toxic pollutant," a pollutant or
  combination of pollutants, including disease-causing agents, which, upon
  exposure, ingestion, inhalation, or assimilation into an organism, either
  directly from the environment or indirectly by ingestion through food chains,
  will, on the basis of information available, cause death, disease, behavioral
  abnormality, cancer, genetic mutation, physiological malfunctions including
  reproductive malfunction, or physical deformity, in an organism or its
  offspring;
(47) "Warmwater aquatic
  life," aquatic life including the Ictaluridae, Centrarchidae, and Cyprinidae
  families of fish, for example, catfish, sunfish, and minnows,
  respectively;
(48) "Warmwater
  marginal fish life propagation," a beneficial use assigned to surface waters of
  the state which will support aquatic life and more tolerant species of
  warmwater fish naturally or by frequent stocking and intensive management but
  which suffer frequent fish kills because of critical natural
  conditions;
(49) "Warmwater
  permanent fish life propagation," a beneficial use assigned to surface waters
  of the state which support aquatic life and are suitable for the permanent
  propagation or maintenance, or both, of warmwater fish. Stocked coldwater fish
  may also be present;
(50)
  "Warmwater semipermanent fish life propagation waters," a beneficial use
  assigned to surface waters of the state which support aquatic life and are
  suitable for the propagation or maintenance, or both, of warmwater fish but
  which may suffer occasional fish kills because of critical natural
  conditions;
(51) "Weekly average
  temperature," the mathematical mean of multiple, equally spaced daily
  temperature measurements over a 7-day consecutive period, with a minimum of
  three data points equally spaced throughout each day;
(52) "Wetlands," those areas that are
  inundated or saturated by surface or ground water 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 including swamps, marshes, bogs, and similar areas;
(53) "Zone of mixing," an area in a stream
  where an effluent or discharge mixes with the upstream water.
General Authority:
SDCL
		34A-2-93.
Law Implemented:
SDCL
		34A-2-93.
Standard Methods for the Examination of Water and
		Wastewater
, 18th edition, 1992, ISBN 0-87553-207-1, American Public
		Health Association, American Water Works Association and Water Environment
		Federation. The cost is $49.95; 19th edition, ISBN
		0-58321-064-4, cost is $49.95; 20th Edition, ISBN
		0-87533-235-7. The cost is $49.95. Copies may be obtained from the American
		Water Works Association Bookstore, 6666 West Quincy Avenue, Denver, Colorado
		80235.