reglab/statecodes huggingface dataset:
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-38 - Application of public health regulations

Current through July 10, 2024
The regulations for the construction of water supply wells
				shall be construed in a manner consistent with the provisions of sections
				19-13-B51a to
				19-13-B51m,
				inclusive, of the Regulations of Connecticut State Agencies. In the event any
				conflict shall appear, the interpretation of sections
				25-128-33 to
				25-128-63,
				inclusive, of the Regulations of Connecticut State Agencies shall be made which
				affords the greater protection of the public health.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-39 - Diameter, depth, and yield of water supply wells

Current through July 10, 2024
(a) All new
			 water supply wells shall be of adequate diameter and depth to be capable of
			 yielding the quantity of water required by the user. For the use of an
			 individual household, a bedrock well shall be satisfactory when it is capable
			 of :
(1) Yielding five (5) gallons per minute
			 and , in a six inch well, has a storage available of seventy-five (75) gallons
			 . In wells with a diameter other than six (6) inches, an equivalent storage
			 shall be required;
(2) Yielding
			 three and one half (3 1/2) gallons per minute and , in a six inch well, has a
			 storage available of one hundred fifty (150) gallons . In wells with a diameter
			 other than six (6) inches, an equivalent storage shall be required.
(3) Yielding two (2) gallons per minute and
			 has a storage available of two hundred twenty-five (225) gallons . In wells
			 with a diameter other than six (6) inches, an equivalent storage shall be
			 required;
(4) Yielding one (1)
			 gallon per minute and has a storage available of four hundred (400) gallons .
			 In wells with a diameter other than six (6) inches, an equivalent storage shall
			 be required; or
(5) Yielding one
			 half (1/2) gallon per minute and has a storage available of six hundred (600)
			 gallons . In wells with a diameter other than six (6) inches, an equivalent
			 storage shall be required.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-39a - Geothermal bore holes

Current through July 10, 2024
(a) The inside
			 diameter of closed-loop geothermal bore holes shall be in accordance with the
			 geothermal system manufacturer's specifications to allow for the proper
			 installation of piping and grout. Where a single heat exchange pipe with no
			 u-bend is in contact with the grout, as in a concentric system where an
			 internal supply pipe is suspended and completely surrounded by an external heat
			 exchange pipe, the size of the bore hole shall be in accordance with the
			 manufacturer's specifications in order to provide for proper grouting via the
			 tremie method.
(b) Open-loop
			 geothermal bore holes shall be constructed in a manner that complies with all
			 water supply well requirements, including the separating distances to sources
			 of pollution set forth in section
			 19-13-B51d of
			 the Regulations of Connecticut State Agencies.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-39b - Closed-loop geothermal system fluid

Current through July 10, 2024
(a) All chemicals
			 used or added to fluids circulating through a closed-loop geothermal system for
			 heat exchange, and the amount of chemicals used or added, shall be those
			 specified by the manufacturer and shall be subject to industry approved
			 standards for geothermal system efficiency.
(b) A well contractor shall only use the
			 following closed-loop geothermal system fluids in closed-loop geothermal
			 systems:
(1) The refrigerants commonly
			 referred to as R-134A, R-407C, and R-410A;
(2) Drinking water, as defined in section
			 19-13-B102
			 of the Regulations of Connecticut State Agencies;
(3) Heat transfer fluids containing potable
			 water combined with a maximum of twenty-five (25) per cent propylene glycol
			 that has been approved by the federal Food and Drug Administration;
			 and
(4) Other geothermal system
			 fluids or additives approved by the department and the Department of Public
			 Health.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-39c - Closed-loop geothermal system piping

Current through July 10, 2024
(a) The only
			 acceptable materials for the underground portion of a closed-loop geothermal
			 system are as follows:
(1) Copper, that has a
			 cathodic protection system;
(2)
			 High density, polyethylene extrusion compound having a cell classification of
			 PE 345434c or PE 355434c with an ultraviolet stabilizer of C, D or E as
			 specified in American Society for Testing and Materials ("ASTM") standard
			 D-3350 with the following exception: This material shall exhibit zero (0)
			 failures when tested for one hundred ninety-two (192) hours or more under ASTM
			 standard D-1693, condition C, as required in ASTM standard D-3350. This
			 material shall maintain a one hundred sixty (160) pounds per square inch
			 ("psi") hydrostatic design basis at 73.4 degrees Fahrenheit per ASTM standard
			 D-2837, and shall be listed in PPI TR4 as a PE 3408 piping formulation;
			 and
(3) Those materials approved by
			 the department in consultation with the Department of Public Health and the
			 Department of Energy and Environmental Protection.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-39d - Fluids used in open-loop geothermal systems

Current through July 10, 2024
Open-loop geothermal wells shall use only the natural
				groundwater, and no additives or other fluids are permitted.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-40 - Pumps and pumping equipment

Current through July 10, 2024
(a) Pumps and
			 pumping equipment shall be installed in the well to make the most efficient use
			 of well storage.
(b) Pumps and
			 pumping equipment shall be located to permit convenient access for inspection,
			 maintenance and repair.
(c) In the
			 event the base plate of a pump is placed directly over the well, the base plate
			 shall be of a type designed to form a watertight seal with the well casing or
			 pump foundation, as provided by section
			 19-13-B51j
			 of the Regulations of Connecticut State Agencies.
(d) The well shall be properly vented at the
			 well head to allow for pressure changes within the well.
(e) The electrical wiring used in connection
			 with the pump shall conform to specifications of the Connecticut State Building
			 Code.
(f) Contaminated water shall
			 not be used for the purpose of priming any pump.
(g)No connections shall be made between a
			 geothermal system and a water supply well or the water distribution system
			 connected to the water supply well.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-41 - Location and protection of water supply wells

Current through July 10, 2024
The location of any water supply well upon premises shall be
				subject to approval by the local health officer of the municipality in which
				such premises are located, and shall be as provided by section 19a-39 of the
				Connecticut General Statutes, and by section
				19-13-B51d of
				the Regulations of Connecticut State Agencies.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-41a - Location of closed-loop geothermal systems

Current through July 10, 2024
(a) The following
			 are the separating distance specifications for all closed-loop geothermal
			 systems. Distances cited are minimum separating distances based on horizontal
			 measurements. Non-vertical closed-loop geothermal bore holes shall maintain the
			 minimum separation distances when measured from any point along the borehole.
(1) Separating distances to subsurface sewage
			 disposal systems shall be as prescribed in Section II of the Technical
			 Standards for Subsurface Sewage Disposal Systems published by the Commissioner
			 of Public Health pursuant to section
			 19-13-B103d(b)
			 of the Regulations of Connecticut State Agencies.
(2) 25 feet from a below ground tank
			 containing a non-hazardous substance. 50 feet from a below ground tank
			 containing a hazardous substance.
(3) 10 feet from surface water or groundwater
			 drainage structures or piping, water supply piping, public sewer laterals or
			 mains, and fuel or utility piping. Stone below a foundation floor is not
			 considered part of the groundwater drainage system relative to this separation
			 distance.
(4) 10 feet from the high
			 water mark of any body of water, except when the subject body of water is
			 employed in a closed-loop geothermal surface water system.
(5) 50 feet from a private well or a
			 semipublic well. The distance may be reduced to be no closer than 25 feet from
			 a non-borehole system. When a closed-loop geothermal system is located on the
			 same property as a private well or semipublic well, the distance may be reduced
			 to be no closer than 25 feet to such private well or semipublic well.
(6) 75 feet from a public well with a
			 withdrawal rate of less than 10 gallons per minute. Such distance shall not be
			 reduced.
(7) 150 feet from a public
			 well with a withdrawal rate of 10 to 50 gallons per minute. Such distance shall
			 not be reduced.
(8) 200 feet from a
			 public well with a withdrawal rate greater than 50 gallons per minute. Such
			 distance shall not be reduced.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-42 - Drilling, of water supply wells

Current through July 10, 2024
(a) Water supply
			 wells shall be so constructed that a pump of capacity equal to the desired
			 yield can be installed and operated for different yields.
(b) Any water used shall be disinfected or of
			 drinking water quality.
(c) Any
			 chemicals or other additives used in drilling shall be cleaned out from the
			 well.
(d) Rock cuttings shall be
			 cleaned out of the well.
(e) Water
			 supply wells shall be tested in accordance with section
			 19-13-B102
			 of the Regulations of Connecticut State Agencies for public wells and section
			 19-13-B101(d)
			 of the Regulations of Connecticut State Agencies for private and semipublic
			 wells.
(f) Well development shall
			 be performed only by properly registered persons.
(g) Subcontracted work shall be performed
			 only by properly registered persons.
(h) No solder containing more than 0.2 per
			 cent lead shall be used in making joints and fittings in any public water
			 system or private potable water supply system or any water user's pipelines and
			 shall conform to the specifications of the Connecticut State Building
			 Code.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-43 - Casing of drilled wells

Current through July 10, 2024
(a) The bottom end
			 of the primary casing shall be equipped with a hardened drive shoe of the
			 appropriate size.
(b) The casing
			 shall extend at least six (6) inches above the land surface. Annular space
			 shall be grout filled from the frost level to the bottom of the casing, except
			 that, where special or unusual conditions exist, the annular space shall be
			 filled with grout from the frost level to a distance of at least ten (10) feet
			 below the land surface.
(c) Upon
			 completion of the well unit and until such time as the well is equipped with a
			 pump, the top of the casing shall be a metal cap fixed to prevent unwarranted
			 access.
(d) The primary casing
			 shall be new steel and shall be free of pits, breaks, or other serious
			 imperfections. All casing pipes and couplings used shall have minimum weights
			 and wall thicknesses per diameter, as specified in Table 1.
(e) In the event casing pipes are assembled
			 together, they shall be joined by means of watertight welded joints, screw
			 coupling joints, or slip joints. In the use of welded joints, the weld shall be
			 at least as thick as the wall thickness of the well casing.
(f) In the event the diameter of a casing is
			 reduced at any point along its length, the annular space between the larger and
			 smaller casings shall be made watertight.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-44 - Length of casing, drilled wells

Current through July 10, 2024
A twenty (20) foot minimum length of casing pipe shall be
				required in the construction of any drilled well, subject to the following
				exceptions for specific, geological and hydrological conditions:
(a) All unconsolidated overburden and other
			 loose, caving zones shall be cased.
(b) The casing pipe shall extend at least
			 five (5) feet into the bedrock, as shown by Figure 1.
(c) In the event, however, that the
			 overburden or the upper five (5) feet of the bedrock constitute the primary
			 potable water producing zones, the requirement of length of subsection (b)
			 shall not apply.
(d) In the
			 condition of the presence of caving zones, the casing pipe or other adequate
			 protective seal shall extend as great a distance below the caving zone as the
			 driller deems necessary to insure well stability.
(e) In the event geological conditions
			 require telescoping of the casing pipe and the use of linear pipe, the
			 respective lengths and diameters necessary to accomplish effective drilling
			 shall be used, the annular spaces shall be made watertight where appropriate to
			 prevent the travel of contaminants.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-45 - Length of casing, gravel wells

Current through July 10, 2024
(a) The length of
			 the casing in a gravel well shall be such that the pumping level does not drop
			 below the top of the screen.
(b) In
			 conditions of aquifers alternated with silt clay and other undesirable zones,
			 the casing shall extend at least two (2) feet into the aquifer underlying the
			 cased zones, as shown by figure 2.
(c) In conditions of aquifer overlain by
			 layers of clay, silt, fine sand, or any other sand that cannot be developed for
			 ground water, the casing pipe shall extend at least five (5) feet into the
			 aquifer. But if the aquifer thickness is less than five (5) feet, the casing
			 shall extend into the aquifer as much as feasible to serve the general purpose
			 of casing, as shown by Figure 3.
(d) In conditions of aquifer overlain by
			 till, the casing pipe shall extend at least five (5) feet below the bottom of
			 the till. But if the aquifer is less than five (5) feet thick, the casing shall
			 extend into the aquifer as much as feasible to serve the general purpose of
			 casing, as shown by Figure 4.
(e)
			 In conditions of aquifer overlain by clay, the casing shall extend at least
			 five (5) feet below the bottom of the clay. But if the aquifer is less than
			 five (5) feet thick, the casing shall extend into the aquifer as much as
			 feasible to serve the general purpose of casing, as shown by Figure
			 5.
(f) In conditions of aquifer
			 overlain by unconsolidated material without clay beds, the length of the casing
			 shall be such that the pumping water levels do not drop below the top of the
			 screen.
(g) In the event the
			 aquifer consists of very coarse gravel and no screen is used, the casing pipe
			 shall extend into the aquifer as much as feasible to develop the required
			 quantity of water.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-46 - Well screens

Current through July 10, 2024
(a) Any well
			 constructed to obtain water from an unconsolidated formation may be equipped
			 with a screen, for the purpose of preventing the entrance of formation material
			 into the well after the well has been developed and completed.
(b) The well screen shall:
(1) be of a standard design and manufacture,
			 for the specific purpose of well construction;
(2) be made of material adequate to withstand
			 normal physical and chemical forces, applied to it during and after
			 installation;
(3) shall have
			 openings free of rough edges, irregularities, or other defects that may
			 contribute to corrosion or clogging; and
(4) shall be provided with such fittings as
			 are necessary to seal the top of the screen to the casing and to close the
			 bottom.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-47 - Gravel packed wells, gravel

Current through July 10, 2024
(a) The gravel in a
			 gravel packed well shall be composed of material that does not react chemically
			 with the water in the well, and will not create or enhance encrustation or
			 corrosion.
(b) The gravel shall be
			 clean, rounded, uniform, water-washed, and free from clay, silt, or other
			 deleterious substance.
(c) The size
			 of the gravel shall be as determined by a grain size analysis of the formation
			 material.
(d) The gravel shall be
			 disinfected by adding sufficient chlorine to the placement fluid to produce a
			 chlorine residual of approximately one hundred parts per million (100
			 ppm).
(e) The gravel shall be
			 placed in such a manner that no bridging or layering occurs.
(f) The gravel pack shall not connect
			 aquifers or zones which have differences in water quality classification or in
			 static water levels.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-48 - Gravel packed wells, construction

Current through July 10, 2024
In a gravel packed well in which the top of the gravel does not
				extend inside the outer casing, a bentonite plug of at least five (5) feet in
				thickness shall be placed in the annular space directly on top of the gravel.
				The remaining space shall be filled with grout except that the upper ten (10)
				feet below the frost level shall be filled with cement grout. Centering guides
				shall be attached to pipe extensions about the well screen and to blank pipes
				separating different screened sections. The gravel filled pipes shall be
				properly capped.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-48a - Annular space

Current through July 10, 2024
(a)Unless otherwise
			 specified in section
			 19-13-B51f of the
			 Regulations of Connecticut State Agencies, any annular space between the
			 outside of the piping or casing and the natural materials penetrated by a well
			 or geothermal bore hole shall be filled with suitable material to make this
			 space as impervious to the movement of fluids and competent to support the
			 piping or casing as are the natural materials surrounding the well or
			 geothermal bore hole. The annular space for a geothermal bore hole shall be
			 grouted in accordance with subsection (g) of this section. The driller may fill
			 the annular space with the natural materials excavated during the drilling of a
			 water supply well to meet the following requirements:
(1) The annular space shall be filled as
			 completely as possible from the bottom of the casing to the land surface
			 without any depressions, voids, holes or channels;
(2) The driller shall employ whatever
			 techniques are effective for the existing conditions to achieve maximum
			 density, strength and impermeability of the fill material; and
(3) The surface of the fill material shall be
			 sloped away from the casing.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-49 - Well head completion and equipment

Current through July 10, 2024
The completion of the well head and the equipment used shall be
				as follows:
(a) The top of the casing
			 shall be cut off reasonably smooth and level.
(b) In the event the well head is enclosed,
			 the enclosure shall be adequately drained. In the event a well pit is used, it
			 shall be constructed in the manner provided by sections
			 19-13-B51h
			 and
			 19-13-B51i of the
			 Regulations of Connecticut State Agencies.
(c) All water piping shall be protected
			 against freezing.
(d) The well
			 shall be equipped with a tightly fixed vented cap or a sanitary seal with an
			 access port for ventilation. The access port shall have a minimum, inside
			 diameter of one quarter (1/4) inch. It shall be installed and maintained in
			 such a manner as to prevent the entrance of water, dust, insects, or other
			 foreign material, and to permit ready access for the purpose of water level
			 measurement.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-49a - Geothermal bore hole termination

Current through July 10, 2024
Geothermal bore holes shall be terminated a minimum of four (4)
				feet below the proposed finished grade and shall be fed to the point of
				termination. If piping running between bore holes and the heated structure is
				shallower than four (4) feet below finished grade, measures shall be taken to
				prevent long term damage to the tubing from freeze-thaw cycles and accidental
				damage. Bore holes terminating in a structure shall be terminated flush with
				the finished floor. Casing, if used during bore hole drilling, shall be capped
				from the time of installation until the installation of the geothermal system
				piping. As the bore hole is being grouted, the casing may be withdrawn. Figures
				6 and 7 in section
				25-128-64 of
				the Regulations of Connecticut State Agencies set forth examples of bore hole
				termination for geothermal bore holes.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-50 - Plumbness and alignment of wells

Current through July 10, 2024
All gravel packed wells, and all wells equipped with pumps
				having vertical shafts that require plumbed and aligned walls, shall be tested
				for plumbness and alignment in accordance with standards of the American Water
				Works Association.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-51 - Tests of yield

Current through July 10, 2024
All new and repaired water supply wells, with the exception of
				repairs limited to well casing extensions, shall be tested for yield and
				capacity, as provided by section
				19-13-B51k of
				the Regulations of Connecticut State Agencies, and all static and pumping water
				levels and well discharge shall be measured and recorded, with the pumping rate
				held constant. The test shall be made by one of the following methods: the pump
				method, the bailer-recovery method, the air rotary drill method, or the air
				lift method. For wells serving a single family the well may be tested for yield
				by removing as much water as is practicable from the well and measuring the
				rate of recovery. Geothermal bore holes for closed-loop geothermal systems are
				not required to be yield tested.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-52 - Disinfection of wells

Current through July 10, 2024
All wells shall be disinfected by chlorination as provided by
				section
				19-13-B51k(c)
				of the Regulations of Connecticut State Agencies when such wells are
				constructed, repaired or developed.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-53 - Construction of non-water-supply wells and geothermal boreholes

Current through July 10, 2024
All non-water-supply wells and all geothermal bore holes shall
				be constructed, repaired, and maintained in such a manner that they are not a
				source or cause of groundwater contamination.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-54 - Maintenance and repair of wells, geothermal systems and pumping equipment

Current through July 10, 2024
All wells and geothermal systems shall be maintained in a
				proper condition to conserve and protect Groundwater resources, and shall not
				be a source or cause of contamination or pollution of the water supply of any
				aquifer. All materials and construction practices used in the maintenance,
				repair, or replacement of any well shall be the same as those required for the
				construction of a new well or geothermal system. All maintenance, repair,
				hydrofracturing, developing, and replacement work shall be done only by a
				person holding the appropriate registration issued by the department pursuant
				to section 25-129 of the Connecticut General Statutes, or by a licensed plumber
				or electrician acting within the scope of the person's license, as provided by
				section 25-129 of the Connecticut General Statutes.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-55 - Promulgation of construction standards

Current through July 10, 2024
The regulations for the construction, maintenance, and repair
				of wells and geothermal systems, shall be promulgated in cooperation with the
				Department of Public Health and the Department of Energy and Environmental
				Protection.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-55a - Period of responsibility

Current through July 10, 2024
The well drilling contractor shall be responsible for a period
				of one (1) year from the date of completion of work performed on the well to
				insure that the physical construction of the well meets the requirements of
				this code. The contractor shall not be responsible if work has been performed
				on the well by others, or if activities by others in the vicinity of the well
				have adversely affected the well.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-56 - Abandonment of wells, responsibility

Current through July 10, 2024
(a) Any well that
			 is abandoned shall not be a source or cause of contamination or pollution of
			 Groundwater resources. Abandonment procedures shall be performed or directed
			 only by a registered well driller contractor. The registered well driller
			 contractor who performs the work of abandonment shall be responsible for
			 compliance with the procedure of abandonment of the well, as provided in
			 section
			 25-128-57
			 of the Regulations of Connecticut State Agencies.
(b) A registered well driller contractor
			 shall, within 60 days of completion of a well abandonment, file a completion
			 report on a form and in a manner prescribed by the Commissioner of Consumer
			 Protection in accordance with section
			 25-128-62
			 of the Regulations of Connecticut State Agencies. Copies of such report shall
			 be concurrently submitted to the owner, the Departments of Consumer Protection,
			 Public Health and Energy and Environmental Protection, and the local health
			 department or district.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-57 - Procedure of abandonment

Current through July 10, 2024
In the event of abandonment of any water supply well or other
				type of well the proper procedure and materials shall be used as
				follows:
(a) The well shall be plugged
			 to prevent the entrance of surface water, circulation of water between or among
			 producing zones, or any other process resulting in the contamination or
			 pollution of Groundwater resources.
(b) In the event of temporary abandonment or
			 discontinuance of the use of any well, the well shall be sealed with a
			 watertight cap or seal, as provided in subsection (e) of this
			 section.
(c) The well shall be
			 chlorinated prior to abandonment using a chlorine solution with a minimum
			 concentration of one hundred fifty parts per million (150 ppm) of chlorine.
(d) The well shall be checked from
			 land surface to the entire depth of the well before it is sealed, to insure
			 against the presence of any obstruction that will interfere with sealing
			 operations.
(e) The well bore shall
			 be filled and sealed with any of the following materials: neat cement grout,
			 sand cement grout, bentonite clay grout, or sand clay or bentonite cement
			 grout. Dug wells may be abandoned with clean sand and gravel.
(f) The grout material shall be placed in
			 such a way to prevent voids in the grout or dilution of the grout.
(g) Any well constructed in a consolidated
			 rock formation, may be filled with fine sand in the zone or zones of
			 consolidated rock. The top of the sand fill shall be at least ten (10) feet
			 below the bottom of the casing, and the remaining portions of the well shall be
			 filled with neat cement grout, sand cement grout, bentonite clay grout, or sand
			 clay or bentonite cement grout.
(h)
			 Any test well or bore shall be abandoned in such a manner that it does not
			 become a channel for the vertical movement of water or other substance to the
			 potable Groundwater resources.
(i)
			 Deep waste disposal or oil wells with casings free of any breaks, and extending
			 below the potable Groundwater zones, may be sealed with a watertight cap or
			 welded plate.
(j) Upon completion
			 of abandonment of the well, the top of the casing or grout material may be
			 terminated at least four (4) feet below the ground surface.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-57a - Abandonment of geothermal systems

Current through July 10, 2024
When abandoning a geothermal system, closed-loop geothermal
				fluid shall be displaced with bentonite grout or a substance approved by the
				Department of Consumer Protection in consultation with the Department of Public
				Health and the Department of Energy and Environmental Protection, or otherwise
				be evacuated from the geothermal system by a process approved by the Department
				of Consumer Protection. After displacement or evacuation of the fluid, the bore
				hole and excavation shall be filled and covered with grout to provide a cap at
				least twelve (12) inches thick over the bore hole. All fluids or gases shall be
				contained and properly disposed of.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-60b - Well driller - limited to well non-water-supply drilling W-4

Current through July 10, 2024
The requirements for this registration shall be three (3) years
				as an apprentice driller or possess equivalent experience and training. This
				registration permits the registrant to construct a well, including but not
				limited to, the installation, repair and maintenance of pumps, pump motors,
				pump piping, valves, wiring, electric controls and tanks only while the
				registrant is in the direct and regular employment of a contractor registered
				for such work. The applicant shall demonstrate his knowledge of well drilling
				by passing a written examination conducted pursuant to Sections
				21a-7(1)
				and
				21a-8(5)
				of the General Statutes.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-62 - Completion reports

Current through July 10, 2024
(a) A contractor
			 shall, within 60 days of completion of a water supply well or a geothermal
			 system, file a completion report on a form and in a manner prescribed by the
			 Commissioner of Consumer Protection. The completion report shall be
			 concurrently submitted to the owner and the department. Such report shall
			 include but not be limited to the following:
(1) Contractor information: Name of the
			 contractor; address; registration number; and type of work completed (e.g.,
			 drill bore holes, install and grout loops, bore hole abandonment,
			 etc.).
(2) Water supply well or
			 system location: Town; driller map number; GPS coordinates to the nearest fifth
			 decimal; address; zip code; nearest two cross streets; casing details (length,
			 diameter, weight per foot, manner of connection sections of casing, information
			 on use of a drive shoe, information on grouting of well casing and type of
			 grout used); yield test information (bailed, pumped, compressed air, duration
			 of yield test in hours, yield in gallons per minute); water level information
			 (static water level, water levels during yield test); depth of completed well;
			 well screen details; geological materials and thickness of materials penetrated
			 in feet; date well was completed; permit number; registration number; date of
			 report; signature of well driller; and schematic diagram showing location of
			 completed well with measurements to at least two fixed points.
(3) Well or system owner: Name; address;
			 town; state; zip code; and telephone number.
(4) When applicable, bore hole
			 specifications: Date first bore hole drilled; date last bore hole drilled;
			 total number of bore holes drilled; total number of bore holes used in system;
			 diameter of bore holes; depth of bore holes in feet; spacing intervals of bore
			 holes in feet; average depth to bedrock in feet; geologic materials and
			 thickness of materials penetrated; amount and type of casing, if any; static
			 water levels; type of grout used; and amount of grout used.
(5) When applicable, loop field installation:
			 Installer name; registration number; piping loop material used; number of loops
			 installed; depth of closed-loop in feet; date last loop installed; date bore
			 hole grouted; type of grout used; average number of bags to grout each loop;
			 pounds per bag of grout; and cubic feet of grout used for each bore hole. The
			 type and volume of closed-loop geothermal fluid to be used in closed loops
			 shall be denoted, and the form shall provide for a confirmation that detectable
			 underground tape has been installed above the bore hole location.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-63 - Exemption from construction standards

Current through July 10, 2024
As provided by section 25-133 of the Connecticut General
				Statutes, as where the Board finds that compliance with the regulations and
				construction standards adopted would result in undue hardship, an exemption
				from any one or more of the standards may be granted by the Board to the extent
				necessary to ameliorate such undue hardship, and to the extent such exemption
				can be granted without impairing the intent and purpose of the regulations. An
				application for a special exemption shall be made in writing on a form to be
				prescribed by the department. The application shall include all information
				regarding circumstances and conditions of construction of the well as the Board
				deems necessary. The decision of the Board to grant or deny the exemption
				requested, in whole or in part, shall be made within thirty (30) days, and the
				Board shall notify the applicant in writing of its decision. Exemptions may
				only be granted by the Board pertaining to the requirements of chapter 482 of
				the Connecticut General Statutes and the regulations promulgated thereunder,
				and without violating chapter 368a of the Connecticut General Statutes and the
				regulations promulgated thereunder.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 128 - Description of Organization, Rules of Practice, and Regulations for the Well Drilling Industry › Section 25-128-64 - Figures and Drawings

Current through July 10, 2024
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FIG. 6 TERMINATION OF EXTERIOR GEOTHERMAL BORE HOLES
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FIG. 7 TERMINATION OF INTERIOR GEOTHERMAL BORE HOLES
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Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 129 - Well Casing Extension › Section 25-129-1 - Unlimited well driller contractor W-1

Current through July 10, 2024
(a) A person
			 holding a W-1 registration may perform any work as described in section 25129
			 of the Connecticut General Statutes. Such registration permits the registrant
			 to construct a well. Before any registration is issued to any individual, the
			 department or Board shall require that the applicant submit an application, on
			 a form and in a format prescribed by the Commissioner of Consumer Protection,
			 demonstrating that such person has met certain education, job training and test
			 requirements. Registrants shall maintain insurance as specified in section
			 25-129 of the Connecticut General Statutes.
(b) Each applicant shall provide
			 documentation that the applicant has been actively engaged in well drilling as
			 a well driller for a period of twenty-four (24) months prior to the date of
			 application or has held a valid W-2 registration for at least two (2)
			 years.
(c) Each applicant shall
			 evidence that he or she has passed a written examination conducted pursuant to
			 sections 21a-7(a)(1) and 21a-8(a)(5) of the Connecticut General
			 Statutes.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 129 - Well Casing Extension › Section 25-129-2 - Unlimited well driller W-2

Current through July 10, 2024
The requirements for registration as an unlimited well driller
				W-2 shall be twenty-four (24) months as a driller trainee or possessing
				equivalent experience and training. Such registration as an unlimited well
				driller W-2 permits the registrant to construct a well, including, but not
				limited to, the installation, repair and maintenance of pumps, pump motors,
				pump piping, valves, wiring, electric controls and tanks only while the
				registrant is in the direct and regular employment of a contractor registered
				for such work. The applicant shall demonstrate knowledge of well drilling by
				passing a written examination conducted pursuant to sections 21a-7(a)(1) and
				21a-8(a)(5) of the Connecticut General Statutes.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 129 - Well Casing Extension › Section 25-129-3 - Limited non-water-supply contractor W-3

Current through July 10, 2024
As provided by section 25-129 of the Connecticut General
				Statutes, the department establishes certain requirements for registration as a
				limited non-water-supply contractor W-3. Such registration permits the
				registrant to construct a non-water-supply well, as defined in section
				25-128-36(c)
				of the Regulations of Connecticut State Agencies, including, but not limited
				to, the installation, repair and maintenance of pumps, pump motors, pump
				piping, valves, wiring, electric controls and tanks. Before any registration is
				issued to any individual, the applicant shall submit in a form and manner
				prescribed by the department, documentation that the applicant has been
				actively engaged in the well drilling trade as a well driller for a period of
				at least twenty-four (24) months prior to the date of application or has held a
				valid W-4 registration for at least two years. The applicant shall demonstrate
				knowledge of well drilling by passing a written examination conducted pursuant
				to sections 21a-7(a)(1) and 21a-8(a)(5) of the Connecticut General
				Statutes.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 129 - Well Casing Extension › Section 25-129-4 - Limited non-water-supply driller W-4

Current through July 10, 2024
The requirements for registration as a limited non-water-supply
				driller W-4 shall be one (1) year as a driller trainee or possessing equivalent
				experience and training. Such registration as a limited non-water-supply
				driller W-4 permits the registrant to construct a non-water supply well, as
				defined in section
				25-128-36(c)
				of the Regulations of Connecticut State Agencies, including, but not limited
				to, the installation, repair and maintenance of pumps, pump motors, pump
				piping, valves, wiring, electric controls and tanks, only while the registrant
				is in the direct and regular employment of a contractor registered for such
				work. The applicant shall demonstrate his or her knowledge of well drilling by
				passing a written examination conducted pursuant to sections 21a-7(a)(1) and
				21a-8(a)(5) of the Connecticut General Statutes.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 129 - Well Casing Extension › Section 25-129-5 - Limited well casing extension contractor W-5

Current through July 10, 2024
The requirements for registration as a limited well casing
				extension contractor W-5 shall be a contractor license to perform plumbing and
				piping work pursuant to chapter 393 of the Connecticut General Statutes. Such
				registration as a limited well casing extension contractor W-5 permits the
				registrant to perform well casing extension, repair and maintenance work. The
				applicant shall demonstrate knowledge of well casing extension, and repair and
				maintenance work by passing a written examination conducted pursuant to section
				20-333 of the Connecticut General Statutes. The W-5 registrant's ability to
				repair shall be limited solely to the well casing extension and shall exclude
				any other parts of a well.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 129 - Well Casing Extension › Section 25-129-6 - Limited well casing extension journeyperson W-6

Current through July 10, 2024
The requirements for the registration of a journeyperson
				limited to well casing extension W-6 shall be a journeyperson's license to
				perform plumbing and piping work pursuant to chapter 393 of the Connecticut
				General Statutes. Such registration permits the registrant to perform well
				casing extension, repair and maintenance work only while in the employ of a
				contractor licensed for such work. The applicant shall demonstrate knowledge of
				well casing extension, repair and maintenance work by passing a written
				examination conducted pursuant to section 20-333 of the Connecticut General
				Statutes.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 129 - Well Casing Extension › Section 25-129-7 - Limited geothermal contractor W-7

Current through July 10, 2024
Registration as a limited geothermal contractor W-7 permits the
				registrant to construct a geothermal bore hole or geothermal system, as defined
				in section
				25-128-36(c)
				of the Regulations of Connecticut State Agencies, up to and including the
				manifold connection, including, but not limited to, the installation, repair,
				and maintenance of piping, casing, heat transfer media, pumps, pump motors, and
				valves, but excluding direct exchange systems, as defined in section
				25-128-36(c)
				of the Regulations of Connecticut State Agencies. Before any registration is
				issued to any individual, the Board shall require that the applicant submit
				documentation that the applicant has been actively engaged in the geothermal
				bore hole drilling trade as a geothermal driller for a period of twenty-four
				(24) months prior to the date of application or has held a valid W-8
				registration for at least two years. The applicant shall evidence that he or
				she has passed a written examination conducted pursuant to sections 21a-7(a)(1)
				and 21a-8(a)(5) of the Connecticut General Statutes.
Connecticut Administrative Code › Title 25 - Water Resources, Flood and Erosion Control › 129 - Well Casing Extension › Section 25-129-8 - Limited geothermal driller W-8

Current through July 10, 2024
The requirements for registration as a limited geothermal
				driller W-8 shall be one (1) year as a geothermal driller trainee or possessing
				equivalent experience and training. Such registration as a limited geothermal
				driller W-8 permits the registrant to construct a geothermal bore hole or
				geothermal system, as defined in section
				25-128-36(c)
				of the Regulations of Connecticut State Agencies, up to and including the
				manifold connection, including, but not limited to, the installation, repair
				and maintenance of piping, casing, heat transfer media, pumps, pump motors, and
				valves, but excluding direct exchange systems, as defined in section
				25-128-36(c)
				of the Regulations of Connecticut State Agencies, only while the registrant is
				in the direct and regular employment of a contractor registered for such work.
				The applicant shall demonstrate knowledge of well drilling by passing a written
				examination conducted pursuant to sections 21a-7(a)(1) and 21a-8(a)(5) of the
				Connecticut General Statutes.