Connecticut Administrative Code › Title 26 - Fisheries and Game › 141b - Stream Flow Standards and Regulations › Section 26-141b-2 - Definitions

Current through July 10, 2024
As used in sections
				26-141b-1
				to
				26-141b-8,
				inclusive, of the Regulations of Connecticut State Agencies:
(1) "Adequate margin of safety" means a
			 margin of safety that is greater than or equal to 1.15 or as otherwise approved
			 in writing by the Commissioner of Public Health;
(2) "Agricultural" or "agriculture" means
			 "agriculture" or "farming", as defined in section
			 1-1
			 of the Connecticut General Statutes;
(3) "Anadromous" means a species of aquatic
			 life that spawns in freshwater and migrates to salt water to complete its life
			 cycle as an adult;
(4) "Antecedent
			 period" means the fourteen consecutive days immediately preceding the date the
			 required release is calculated pursuant to section
			 26-141b-6(a)
			 of the Regulations of Connecticut State Agencies;
(5) "Best management practices" means those
			 activities, management practices, facilities or procedures which are generally
			 accepted as the most effective and practical means to reduce the impact of
			 human activity on natural stream flow;
(6) "Bioperiod" means the period during which
			 certain biological processes dependent on stream flow rates occurs or is likely
			 to occur;
(7) "Bioperiod Q25" means
			 the naturally occurring daily stream flow that is predicted to be equaled or
			 exceeded on 25 percent of days in a bioperiod calculated using methods
			 developed by the U.S. Geological Survey or otherwise acceptable to the
			 commissioner;
(8) "Bioperiod Q50"
			 means the naturally occurring daily stream flow that is predicted to be equaled
			 or exceeded on 50 percent of days in a bioperiod calculated using methods
			 developed by the U.S. Geological Survey or otherwise acceptable to the
			 commissioner;
(9) "Bioperiod Q80"
			 means the naturally occurring daily stream flow that is predicted to be equaled
			 or exceeded on 80 percent of days in a bioperiod calculated using methods
			 developed by the U.S. Geological Survey or otherwise acceptable to the
			 commissioner;
(10) "Bioperiod Q90"
			 means the naturally occurring daily stream flow that is predicted to be equaled
			 or exceeded on 90 percent of days in a bioperiod calculated using methods
			 developed by the U.S. Geological Survey or otherwise acceptable to the
			 commissioner;
(11) "Bioperiod Q95"
			 means the naturally occurring daily stream flow that is predicted to be equaled
			 or exceeded on 95 percent of days in a bioperiod calculated using methods
			 developed by the U.S. Geological Survey or otherwise acceptable to the
			 commissioner;
(12) "Bioperiod Q99"
			 means the naturally occurring daily stream flow that is predicted to be equaled
			 or exceeded on 99 percent of days in a bioperiod calculated using methods
			 developed by the U.S. Geological Survey or otherwise acceptable to the
			 commissioner;
(13) "Clupeid
			 spawning bioperiod" means that period from May 1 to May 31, inclusive, of each
			 year;
(14) "Commissioner" means the
			 Commissioner of the Department of Energy and Environmental Protection or such
			 commissioner's designated agent or representative;
(15) "Community water system" means a
			 "community water system", as defined in section
			 19-13-B102
			 of the Regulations of Connecticut State Agencies;
(16) "Dam" means "dam", as defined in section
			 22a-409-1
			 of the Regulations of Connecticut State Agencies;
(17) "Department" means the Department of
			 Energy and Environmental Protection;
(18) "Diversion" means "diversion", as
			 defined in section
			 22a-367 of the
			 Connecticut General Statutes;
(19)
			 "Divert" means "divert", as defined in section
			 22a-367 of the
			 Connecticut General Statutes;
(20)
			 "Geomorphic" means those landforms resulting from geologic processes;
(21) "Habitat forming bioperiod" means that
			 period from March 1 to April 30, inclusive, of each year;
(22) "Interbasin transfer" means "interbasin
			 transfer", as defined in section
			 22a-367 of the
			 Connecticut General Statutes;
(23)
			 "Margin of safety" means "margin of safety", as defined in section
			 25-32d-1 a of
			 the Regulations of Connecticut State Agencies;
(24) "Maximum extent practicable" means able
			 to be constructed or implemented consistent with sound science and engineering
			 principles; and economically and otherwise reasonable in light of the societal
			 and environmental benefits to be gained;
(25) "Median natural flow" means the
			 naturally occurring daily stream flow that is predicted to be equaled or
			 exceeded on fifty percent of days in a period of record calculated using
			 methods developed by the U.S. Geological Survey or otherwise acceptable to the
			 commissioner;
(26) "Overwinter
			 bioperiod" means that period from December 1 to February 28 or February 29,
			 inclusive, of each year;
(27)
			 "Outlet works" means constructed features appurtenant to a dam's operation,
			 including but not limited to structures, spillways, conveyances, and conduits
			 used for the safe operation of a dam and control of a release.
(28) "Person" means "person" or
			 "municipality", as defined in section
			 22a-423
			 of the Connecticut General Statutes;
(29) "Public water supply" means any surface
			 or groundwater resource that provides water for a community water
			 system;
(30) "Rearing and growth
			 bioperiod" means that period from July 1 to October 31, inclusive, of each
			 year;
(31) "Registration" means a
			 document filed by a person in accordance with section
			 22a-368(a)
			 of the Connecticut General Statutes that establishes the location of a
			 diversion of surface or groundwater from a river or stream system in existence
			 prior to 1982, the amount of that diversion, and the use of water diverted at
			 that location;
(32) "Release" means
			 the total release of water from a dam to provide for the preservation,
			 protection, and propagation of fish and other forms of aquatic life and
			 includes dam leakage, spillage from a primary spillway, spillage return flow
			 from an auxiliary spillway, and discharge from outlet works;
(33) "Resident spawning bioperiod" means that
			 period from June 1 to June 30, inclusive, of each year;
(34) "River or stream segment" means a
			 discrete, contiguous reach of river or stream channel for which a uniform
			 classification has been adopted. "River or stream segment" does not mean dam
			 outlet works;
(35) "River or stream
			 system" means a river or stream channel, including all tributary streams and
			 any water, including groundwater, that contributes flow to such river or
			 stream;
(36) "Salmonid spawning
			 bioperiod" means that period from November 1 to November 30, inclusive, of each
			 year;
(37) "Source" or "source of
			 supply" means any well, spring, reservoir, stream, river or other location
			 where water is siphoned, pumped, channeled, or withdrawn for water supply
			 purposes, including interconnections with other water companies;
(38) "Usable storage" means "usable storage",
			 as defined in section
			 25-32d-1 a of
			 the Regulations of Connecticut State Agencies;
(39) "Water conservation" means measures
			 designed to promote efficient use of water, to eliminate waste of water, and to
			 encourage the reuse of water; and
(40) "Water supply plan" means a plan filed
			 and approved pursuant to section
			 25-32d of the
			 Connecticut General Statutes.