reglab/statecodes huggingface dataset:
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter E - STANDARDS FOR CLASS III WELLS › Section 331.87 - Methods of Measurement

Current through Reg. 49, No. 28; July 12, 2024
Determination of a physical or chemical parameter in
					 groundwater may be by chemical analysis of a sample or by field measurement by
					 an instrument. Any field measurement of a groundwater parameter using
					 instrumentation must be done using methods and instruments that yield a
					 measurement that is at least equivalent in quality and sensitivity as a
					 measurement determined by chemical analysis.
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter F - STANDARDS FOR CLASS III WELL PRODUCTION AREA DEVELOPMENT › Section 331.101 - Applicability

Current through Reg. 49, No. 28; July 12, 2024
This subchapter establishes additional standards for Class
					 III well injection activities regarding the development of production or other
					 areas authorized by an area permit and/or production area
					 authorization.
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter F - STANDARDS FOR CLASS III WELL PRODUCTION AREA DEVELOPMENT › Section 331.102 - Confinement of Mining Solution

Current through Reg. 49, No. 28; July 12, 2024
Mining solutions shall be confined to the production zone
					 within the area of designated production zone monitor wells.
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter F - STANDARDS FOR CLASS III WELL PRODUCTION AREA DEVELOPMENT › Section 331.103 - Production Area Monitor Wells

Current through Reg. 49, No. 28; July 12, 2024
(a)
				  Production zone monitoring. Designated production zone monitor wells shall be
				  spaced no greater than 400 feet from the production area, as determined by
				  exploratory drilling. The distance between adjacent mine area monitor wells
				  shall be no greater than 400 feet. The angle formed by lines drawn from any
				  production well to the two nearest monitor wells will not be greater than 75
				  degrees. Changes or adjustments in designated production zone monitor well
				  locations may be authorized by the executive director so as to assure adequate
				  containment. These wells shall be subject to the sampling, corrective action,
				  and reporting requirements in §
										331.105 of
				  this title (relating to Monitoring Standards) and §
										331.106
				  of this title (relating to Remedial Action for Excursion).
(b) Nonproduction zone monitoring. At a
				  minimum, designated nonproduction zone monitor wells shall be completed in the
				  production area in any freshwater aquifer overlying the production zone. These
				  wells shall be located not more than 50 feet on either side of a line through
				  the center of the production area with a minimum of one per every four acres of
				  production area for wells completed in the first overlying freshwater aquifer
				  and one per every eight acres for wells completed in any additional overlying
				  freshwater aquifers. Changes or adjustments in designated nonproduction zone
				  monitor well locations may be authorized by the executive director so as to
				  assure adequate containment. Those wells completed in the first overlying
				  freshwater aquifer shall be subject to sampling, remedial action, and reporting
				  requirements of §
										331.105 of
				  this title (relating to Monitoring Standards) and §
										331.106
				  of this title. Monitor wells completed in any additional overlying freshwater
				  aquifers shall be subject to monitoring, remedial action, and reporting
				  requirements specified in the permit.
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter F - STANDARDS FOR CLASS III WELL PRODUCTION AREA DEVELOPMENT › Section 331.104 - Establishment of Baseline and Control Parameters for Excursion Detection

Current through Reg. 49, No. 28; July 12, 2024
(a) Independent and
				  representative water samples shall be collected from each of the following:
(1) mine area monitor wells completed in the
				  production zone;
(2) mine area
				  monitor wells completed in nonproduction zones; and
(3) baseline wells completed in the
				  production zone within the production area.
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter F - STANDARDS FOR CLASS III WELL PRODUCTION AREA DEVELOPMENT › Section 331.105 - Monitoring Standards

Current through Reg. 49, No. 28; July 12, 2024
The following shall be accomplished to detect mining
					 solutions in designated monitor wells:
(1) Routine monitoring. Water samples and, if
				  applicable, field instrument measurements, shall be conducted in accordance
				  with the requirements of §
										331.84(c)
				  of this title (relating to Monitoring Requirements) from all monitor wells for
				  permit/production area(s) in which mining solutions have been introduced.
				  Monitoring results for the control parameters shall be completed by the second
				  working day and reported as required in §
										331.85(e)
				  of this title (relating to Reporting Requirements). The determined values shall
				  be entered on appropriate forms within three working days after analysis or
				  instrument measurement. These data shall be kept readily available on site for
				  review by commission representatives.
(2) Monitoring duration. The program of
				  monitoring detailed in paragraph (1) of this subsection shall be continued in
				  each permit/mine area until the executive director is officially notified that
				  restoration has commenced. Further monitoring as required by permit shall
				  continue until aquifer restoration and stabilization in that particular
				  permit/mine area has been achieved in compliance with §
										331.107 of
				  this title (relating to Restoration).
(3) Verifying analysis. If the results of a
				  routine sample analysis or instrument measurement show that the value of any
				  control parameter in designated monitor wells is equal to or above the upper
				  limit established for that permit/mine area, the operator shall complete a
				  verifying analysis of samples taken from each apparently affected well within
				  two days.
(4) Excursion monitoring.
				  During the period of time when mining solutions are present in a designated
				  monitor well, water samples or measurements will be taken at least two times
				  per week and monitoring results for all control parameters shall be completed
				  by the second day after the sample or measurement is taken.
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter F - STANDARDS FOR CLASS III WELL PRODUCTION AREA DEVELOPMENT › Section 331.106 - Remedial Action for Excursion

Current through Reg. 49, No. 28; July 12, 2024
If the verifying analysis indicates the existence of an
					 excursion in a designated monitor well, the operator shall take the following
					 actions:
(1) notification--notify the
				  commission regional office by the next working day by telephone and notify the
				  executive director by letter postmarked within 48 hours of identification of
				  the excursion. The notification must identify the affected monitor well and the
				  control parameter concentrations.
(2) analysis--complete a groundwater analysis
				  report for each affected well on forms provided by the executive director
				  (including accuracy checks and stiff diagram) for the following: pH, calcium,
				  magnesium, sodium, potassium, carbonate, bicarbonate, sulfate, chloride,
				  silica, total dissolved solids (180 degrees Celsius), specific conductance and
				  dilute conductance, uranium, radium-226 and any other specified constituents.
				  Results shall be reported in accordance with §
										331.85(f)
				  of this title (relating to Reporting Requirements).
(A) The permittee will clean up all
				  designated monitor wells, all zones outside of the production zone, and the
				  production zone outside of the mine area that contain mining solutions. The
				  permittee may use any method judged necessary and prudent to define the extent
				  of the mining solutions and to effect this clean-up in an expeditious and
				  practical manner. Well clean-up is deemed to be accomplished when the water
				  quality in the affected monitor well(s) has been restored to current local
				  baseline water quality as confirmed by three consecutive daily samples for the
				  control parameters.
(B) The
				  executive director may determine that cleanup is not necessary if the permittee
				  can demonstrate that the change in water quality is not due to the presence of
				  mining solutions or fluids from other mining activities.
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter F - STANDARDS FOR CLASS III WELL PRODUCTION AREA DEVELOPMENT › Section 331.107 - Restoration

Current through Reg. 49, No. 28; July 12, 2024
(a) Aquifer
				  restoration. Groundwater in the production zone within the production area must
				  be restored when mining is complete. Each Class III permit or production area
				  authorization shall contain a description of the method for determining that
				  groundwater has been restored in the production zone within the production
				  area. Restoration must be achieved for all values in the restoration table of
				  all parameters in the suite established in accordance with the requirements of
				  §
										331.104(b)
				  of this title (relating to Establishment of Baseline and Control Parameters for
				  Excursion Detection).
(1) Restoration table.
				  Each permit or production area authorization shall contain a restoration table
				  for all parameters in the suite established in accordance with the requirements
				  of §
											331.104(b)
				  of this title. The restoration value for each parameter listed in the
				  restoration table cannot exceed the maximum value for the respective parameter
				  in the permit range table required under §
											331.82(e)(7)
				  of this title (relating to Construction Requirements). A restoration table
				  value for a parameter shall be established by:
(A) the mean concentration or value for that
				  parameter based on all measurements from groundwater samples collected from
				  baseline wells prior to mining activities; or
(B) a statistical analysis of baseline well
				  information proposed by the owner or operator and approved by the executive
				  director that demonstrates that the restoration table value is representative
				  of baseline quality.
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter F - STANDARDS FOR CLASS III WELL PRODUCTION AREA DEVELOPMENT › Section 331.108 - Opportunity for a Contested Case Hearing on a Production Area Authorization Application

Current through Reg. 49, No. 28; July 12, 2024
(a) An
				  application for a new production area authorization is not subject to
				  opportunity for a contested case hearing if:
(1) the authorization is for a production
				  area within the boundary of the permit under which the authorization will be
				  issued and the permit includes a range table with values established in
				  accordance with the requirements in §
											305.49(a)(10)
				  of this title (relating to Additional Contents of Application for an Injection
				  Well Permit);
(2) the application
				  includes a restoration table with restoration parameter values that do not
				  exceed the high values for the respective parameters in the permit range table;
				  and
(3) the application is for a
				  production area within the boundary of the permit under which the proposed
				  authorization will be issued, and the application meets the requirements at
				  §331.104(a) - (d) of this title (relating to Establishment of Baseline and
				  Control Parameters for Excursion Detection) regarding baseline wells;
				  or
(4) the application requests
				  authorization for a new, and subsequent, production area within the permit
				  boundary of a permit after the first production area authorization has been
				  issued for a production area within the permit boundary.
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter F - STANDARDS FOR CLASS III WELL PRODUCTION AREA DEVELOPMENT › Section 331.109 - Cost Estimates for Financial Assurance

Current through Reg. 49, No. 28; July 12, 2024
(a)
				  Each production area authorization must establish the amount of financial
				  assurance for aquifer restoration of the production area based upon cost
				  estimates provided under §
										331.143
				  of this title (relating to Cost Estimate for Plugging and Abandonment and
				  Aquifer Restoration) approved by the executive director.
(b) Each area permit or production area
				  authorization must establish the amount of financial assurance for plugging and
				  abandonment of the injection wells, production wells, recovery wells, monitor
				  wells, and baseline wells of the permit area or production area based upon cost
				  estimates provided under §
										331.143
				  of this title approved by the executive director.
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter F - STANDARDS FOR CLASS III WELL PRODUCTION AREA DEVELOPMENT › Section 331.110 - General Requirements for Production Area Authorization

Current through Reg. 49, No. 28; July 12, 2024
(a) A production area authorization may not
				  authorize the use of groundwater from a well for purposes of providing
				  supplemental production water.
(b)
				  A production area authorization may not expand a permit boundary or authorize a
				  production area outside of a permit boundary.
(c) A production area authorization may not
				  authorize a reduction in the number of monitor wells or increase the distance
				  between wells as required under §
										331.103
				  of this title (relating to Production Area Monitor Wells).
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter H - STANDARDS FOR CLASS V WELLS › Section 331.131 - Applicability

Current through Reg. 49, No. 28; July 12, 2024
This subchapter applies to all Class V injection wells
					 under the jurisdiction of the commission except those Class V wells authorized
					 by rule under §
										331.9(b)(3)
					 of this title (relating to Injection Authorized by Rule). Aquifer storage and
					 recovery injection wells must also comply with Subchapter K of this chapter
					 (relating to Additional Requirements for Class V Injection Wells Associated
					 with Aquifer Storage and Recovery Projects) in addition to this subchapter.
					 Aquifer recharge injection wells must also comply with Subchapter O of this
					 chapter (relating to Additional Requirements for Class V Injection Wells
					 Associated with Aquifer Recharge Projects) in addition to this
					 subchapter.
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter H - STANDARDS FOR CLASS V WELLS › Section 331.132 - Construction Standards

Current through Reg. 49, No. 28; July 12, 2024
(a) Applicability.
				  All Class V wells shall be completed in accordance with the specifications
				  contained in this section, unless otherwise authorized by the executive
				  director. Injection wells listed in Texas Occupations Code, §
										1901.001(8)
				  shall be installed by a water well driller licensed by the Texas Department of
				  Licensing and Regulation.
(b)
				  Reporting.
(1) Prior to construction. Except
				  for closed loop injection and air conditioning return flow wells, information
				  required under §
											331.10(a)
				  of this title (relating to Inventory or Wells Authorized by Rule) shall be
				  submitted to the executive director for review and approval prior to
				  construction. For large capacity septic systems, septic systems that accept
				  industrial waste, and subsurface fluid distribution systems including
				  subsurface area drip dispersal systems as defined in §
											222.5 of
				  this title (relating to Definitions), the information required under §
											331.10(a)
				  of this title shall be submitted as part of the wastewater discharge permit
				  application filed under Chapter 305 of this title (relating to Consolidated
				  Permits).
(2) After completion of
				  construction. Except for large capacity septic systems, subsurface fluid
				  distribution systems, temporary injection points, closed loop injection wells,
				  improved sinkholes, and air conditioning return flow wells, the Texas
				  Department of Licensing and Regulation state well report form shall be
				  submitted to the executive director within 30 days from the date the well
				  construction is completed.
(3)
				  Closed loop and air conditioning return flow wells. No reporting prior to
				  construction is necessary for these two types of wells. The Texas Department of
				  Licensing and Regulation state well report form shall be completed and
				  submitted to the executive director within 30 days from the date the well
				  construction is completed. Any additives, constituents, or fluids (other than
				  potable water) that are used in the closed loop injection well system shall be
				  reported in the Water Quality Section on the state well report form.
(4) Temporary injection points. Temporary
				  injection points shall be completed in such a manner as to prevent movement of
				  surface water or undesirable groundwater into underground sources of drinking
				  water.
(5) Large capacity septic
				  systems, subsurface fluid distribution systems, and improved sinkholes. The
				  owner or operator of large capacity septic systems, subsurface fluid
				  distribution systems, and improved sinkholes must submit the well report form
				  provided by the executive director within 30 days from the date well
				  construction is completed.
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter H - STANDARDS FOR CLASS V WELLS › Section 331.135 - Construction Standards for Large Capacity Septic Systems

Current through Reg. 49, No. 28; July 12, 2024
(a) Large capacity septic systems shall be
				  constructed in accordance with the terms of the wastewater discharge permit
				  obtained under Chapter 305 of this title (relating to Consolidated
				  Permits).
(b) During construction,
				  movement of fluids which might contaminate an underground source of drinking
				  water, violate primary drinking water standards, or violate other health-based
				  standards is prohibited.
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter H - STANDARDS FOR CLASS V WELLS › Section 331.136 - Closure Standards for Motor Vehicle Waste Disposal Wells, Large Capacity Septic Systems, Large Capacity Cesspools, Subsurface Fluid Distribution Systems, and Drywells

Current through Reg. 49, No. 28; July 12, 2024
(a) The owner or
				  operator of a Class V motor vehicle waste disposal well, large capacity septic
				  system, large capacity cesspool, subsurface fluid distribution system, or
				  drywell that is to be permanently discontinued or abandoned must close the well
				  under the standards set forth in this section.
(b) The owner or operator of a large capacity
				  cesspool or motor vehicle waste disposal well must submit a preclosure notice
				  form provided by the executive director no later than 30 days prior to
				  closure.
(c) The owner or operator
				  of a large capacity cesspool, large capacity septic system, subsurface fluid
				  distribution system, drywell, or motor vehicle waste disposal well must:
(1) close the well in a manner that prohibits
				  the movement of fluids into underground sources of drinking water, in
				  compliance with §
											331.5 of
				  this title (relating to Prevention of Pollution), and 40 Code of Federal
				  Regulations §144.12 ("prohibition of movement of fluid into underground
				  sources of drinking water," as amended through June 2, 1987 at 48 FR
				  20676);
(2) dispose or otherwise
				  manage any contaminated soil, gravel, sludge, liquids, or other materials
				  removed from or adjacent to the well in accordance with Chapter 350 of this
				  title (relating to Texas Risk Reduction Program) and all other applicable
				  federal, state, and local regulations and requirements; and
(3) submit a closure report to the executive
				  director within 60 days of closing the well.
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter H - STANDARDS FOR CLASS V WELLS › Section 331.137 - Permit for Motor Vehicle Waste Disposal Wells

Current through Reg. 49, No. 28; July 12, 2024
An owner or operator of a motor vehicle waste disposal well
					 who wishes to continue operation of a well may apply for an underground
					 injection control permit. A Class V motor vehicle waste disposal permit shall
					 contain the following minimum requirements.
(1) The owner or operator of a Class V motor
				  vehicle waste disposal well must demonstrate that fluids released through the
				  well will meet the primary maximum contaminant levels (MCLs) for drinking water
				  contained in 40 Code of Federal Regulations (CFR) Part 141, and other
				  appropriate health-based standards at the point of injection as specified in
				  the Class V permit.
(2) The owner
				  or operator of a Class V motor vehicle waste disposal well must follow
				  specified best management plans (BMPs) for motor vehicle-related facilities as
				  specified in the Class V permit.
(3) The owner or operator of a Class V motor
				  vehicle waste disposal well must monitor the quality of the injectate and
				  sludge (if present in dry wells or tanks holding injectate) both initially and
				  on a continuing basis as specified in the Class V permit to demonstrate
				  compliance with the primary MCLs for drinking water contained in 40 CFR Part
				  141.
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter I - FINANCIAL RESPONSIBILITY › Section 331.142 - Financial Assurance

Current through Reg. 49, No. 28; July 12, 2024
(a) The permittee
				  shall secure and maintain financial assurance for plugging and abandonment in
				  the amount of the plugging and abandonment cost estimate for Class I, Class I
				  salt cavern disposal wells and associated salt caverns, and Class III wells in
				  a manner that meets the requirements of Chapter 37, Subchapter Q of this title
				  (relating to Financial Assurance for Underground Injection Control Wells).
				  Financial assurance for plugging and abandonment shall be provided in the
				  amount of the plugging and abandonment cost estimate as provided in §
										331.143
				  of this title (relating to Cost Estimate for Plugging and Abandonment and
				  Aquifer Restoration). Financial assurance for post closure of Class I hazardous
				  wells shall be provided in the amount of the post closure cost
				  estimate.
(b) The permittee of a
				  hazardous waste Class I waste injection well shall establish and maintain
				  sufficient liability coverage for bodily injury and property damage to third
				  parties caused by sudden or nonsudden accidental occurrences arising from
				  operations of the facility that meets the requirements of Chapter 37 of this
				  title (relating to Financial Assurance) and §
										305.154(a)(11)
				  of this title (relating to Standards).
(c) The requirement to maintain financial
				  responsibility is enforceable regardless of whether the requirement is a
				  condition of the permit.
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter I - FINANCIAL RESPONSIBILITY › Section 331.143 - Cost Estimate for Plugging and Abandonment and Aquifer Restoration

Current through Reg. 49, No. 28; July 12, 2024
(a) The owner or
				  operator must prepare a written estimate, in current dollars, of the cost of:
(1) plugging the well(s) in accordance with
				  the plugging and abandonment plan as specified in this chapter; and
(2) aquifer restoration for each production
				  area authorization.
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter I - FINANCIAL RESPONSIBILITY › Section 331.144 - Approval of Plugging and Abandonment

Current through Reg. 49, No. 28; July 12, 2024
Within 60 days after receiving certifications from the
					 owner or operator and an independent licensed professional engineer or licensed
					 professional geoscientist that plugging and abandonment has been accomplished
					 in accordance with the plugging and abandonment plan, the executive director
					 will notify the owner or operator in writing that he is no longer required by
					 this section to maintain financial assurance for plugging and abandonment of
					 the well, unless the executive director has reason to believe that plugging and
					 abandonment has not been in accordance with the plugging and abandonment plan.
					 Financial assurance may not be released without the written approval of the
					 executive director.
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter J - STANDARDS FOR CLASS I SALT DOME CAVERN DISPOSAL WELLS › Section 331.161 - Applicability

Current through Reg. 49, No. 28; July 12, 2024
The sections of this subchapter apply to all Class I salt
					 cavern disposal wells and their associated salt caverns located in the salt
					 stocks of salt domes, and not to such facilities in horizontally bedded or
					 non-domal salt.
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter J - STANDARDS FOR CLASS I SALT DOME CAVERN DISPOSAL WELLS › Section 331.162 - Performance Standard

Current through Reg. 49, No. 28; July 12, 2024
The operator and permittee shall assure for construction,
					 operation, maintenance, monitoring, closure, and post-closure of a Class I salt
					 cavern disposal well and associated cavern, the continuous attainment of a
					 performance standard of no escape of waste from the salt cavern injection zone.
					 The provisions of this chapter, as well as any permit or order issued by the
					 commission, shall be construed as minimum operating requirements. To qualify
					 for a permit or to otherwise operate a Class I salt cavern disposal well and
					 associated cavern, permit applicants and facility operators must demonstrate
					 that this performance standard will be satisfied even if it is necessary to go
					 beyond the minimum operating requirements described in this
					 chapter.
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter J - STANDARDS FOR CLASS I SALT DOME CAVERN DISPOSAL WELLS › Section 331.163 - Well Construction Standards

Current through Reg. 49, No. 28; July 12, 2024
(a)
				  Plans and specifications. Except as specifically required in the terms of the
				  disposal well permit, drilling and completion of the well shall be done in
				  accordance with all permit application plans and specifications. Any proposed
				  changes to the plans and specifications must be approved in writing by the
				  executive director that said changes provide protection standards equivalent to
				  or greater than the original design criteria.
(b) Casing and cementing.
(1) All Class I salt cavern disposal wells
				  shall be cased and all casings which extend to the surface shall be cemented to
				  the surface to prevent the movement of fluids and waste into or between
				  underground sources of drinking water (USDWs) or freshwater aquifers, and to
				  prevent potential leaks of fluids and waste from the well. Cementing shall be
				  by the pump and plug or other method approved by the commission, and cement
				  circulated shall be of a volume equivalent to at least 120% of the calculated
				  volume needed to fill the annular space between the hole and casing and between
				  casing strings to the surface of the ground. Circulation of cement may be
				  accomplished by staging. The executive director may approve an alternative
				  method of cementing in cases where the cement cannot be recirculated to the
				  surface, provided the owner or operator can demonstrate by using logs that the
				  cement is continuous or does not allow any fluid and waste movement behind the
				  well casings. Casing and cement used in the construction of each newly drilled
				  well shall be designed for the life expectancy of the well, including the
				  post-closure care period.
(A) Surface casing
				  shall be set to a minimum subsurface depth, as determined by the executive
				  director, which extends into a confining bed below the lowest formation
				  containing a USDW or freshwater aquifer.
(B) At least one string of intermediate
				  casing, using a sufficient number of centralizers, shall extend at least 100
				  feet into the salt stock.
(C) At
				  least one long string casing, using a sufficient number of centralizers, shall
				  extend into the salt stock, to the following depths, whichever is greater:
(i) 500 feet into the salt stock;
				  or
(ii) 500 feet below any rock
				  type of recognizable thickness as determined by logging, which is different
				  from salt, and that is hydraulically connected to formations outside the salt
				  stock. For the purposes of this rule, all rock types of recognizable thickness
				  on logs which are different from salt shall be assumed to be in hydraulic
				  connection unless demonstrated otherwise.
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter J - STANDARDS FOR CLASS I SALT DOME CAVERN DISPOSAL WELLS › Section 331.164 - Cavern Construction Standards

Current through Reg. 49, No. 28; July 12, 2024
(a)
				  Plans and specifications. Except as specifically required in the terms of the
				  disposal well permit, construction of the cavern shall be done in accordance
				  with all permit application plans and specifications. Any proposed changes to
				  the plans and specifications must be certified in writing by the executive
				  director that said changes provide protection standards equivalent to or
				  greater than the original design criteria.
(b) Standards for cavern construction by
				  controlled dissolutioning. The creation of waste storage or disposal caverns
				  within the salt shall be accomplished by the controlled dissolution of the
				  sidewalls of the well bore to a specified maximum diameter, between selected
				  elevations specified in the permit as the top and bottom of the salt cavern
				  injection interval. The top of the cavern shall be at least 100 feet below the
				  base of the long string casing. The enlargement of a portion of the original
				  well bore to serve as the cavern shall be done according to the cavern
				  construction plans which shall be submitted as a part of the permit
				  application. The cavern construction plans shall demonstrate at a minimum, the
				  following:
(1) the minimum distance between
				  the salt cavern injection zone boundaries and the boundaries of the salt stock,
				  as determined by available geologic data, shall not be less than 500
				  feet;
(2) adjacent caverns shall be
				  separated by a minimum pillar to cavern diameter (P/D) ratio of 2.0 to ensure a
				  sufficient amount of undisturbed salt for cavern safety and stability. Adjacent
				  salt cavern injection zones shall also be separated by a confining thickness of
				  salt;
(3) that cavern dimensions
				  have been designed by a qualified professional engineer and geologist, to
				  ensure the structural integrity of the cavern;
(4) plans for continual monitoring of the
				  volumes of fluids injected and produced during cavern development;
(5) plans for cavern pressure tests, and
				  sonar surveys to determine the cavern dimensions, volume, geometric shape, and
				  characterization of outbursts or other anomalies;
(6) the cavern construction process shall be
				  conducted under the supervision of a qualified professional engineer, with
				  current registration under the Texas Engineering Practices Act, in accordance
				  with accepted practices in the cavern construction industry.
(7) all cavern solutioning brines shall be
				  disposed of in facilities authorized by the commission for such
				  purpose.
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter J - STANDARDS FOR CLASS I SALT DOME CAVERN DISPOSAL WELLS › Section 331.166 - Monitoring and Testing Requirements

Current through Reg. 49, No. 28; July 12, 2024
(a)
				  Waste analysis plan. All material injected into or produced from the cavern
				  shall be sampled and analyzed in accordance with the approved written waste
				  analysis plan required by 40 Code of Federal Regulations
				  §146.68(a).
(b) Pressure
				  gauges. Pressure gauges shall be installed and maintained in proper operating
				  conditions at all times on both tubing strings and on the annulus between the
				  outer tubing and long string casing/liner.
(c) Continuous recording devices. Continuous
				  recording devices shall be installed and used, and maintained in proper
				  operating condition at all times to record tubing string pressures, injection
				  flow rates (by volume or mass), injection waste temperatures, injection waste
				  density, volume and composition of displaced fluids and gases, injection
				  volumes, tubing-long string casing annulus pressure, volume of annulus
				  contents, and any other data specified by the permit. The composition of
				  emplaced and displaced gases will be continuously recorded and monitored for
				  change in composition. When a change in composition is detected a sample will
				  be taken to establish the chemical composition of the displaced gases. The
				  instruments shall be housed in weatherproof enclosures. The owner or operator
				  shall also install and use:
(1) automatic
				  alarm and automatic shutoff systems, designed to sound and shut-in the well
				  when pressures and flow rates or other parameters approved by the executive
				  director exceed a range and/or gradient specified in the permit; or
(2) automatic alarms designed to sound when
				  the pressures, flow rates, or other parameters approved by the executive
				  director exceed a rate and/or gradient specified in the permit, in cases where
				  the owner or operator certifies that a trained operator will be on location and
				  able to immediately respond to alarms at all times when the well is
				  operating.
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter J - STANDARDS FOR CLASS I SALT DOME CAVERN DISPOSAL WELLS › Section 331.168 - Additional Requirements and Conditions

Current through Reg. 49, No. 28; July 12, 2024
(a) A permit for a Class I salt cavern
				  disposal well shall include expressly or by reference the following conditions.
(1) A sign shall be posted at the well site
				  which shall show the name of the company, company well number, commission
				  permit number, the depth of the cavern floor and ceiling, and the cavern
				  diameter. The sign and identification shall be in the English language, clearly
				  legible, and shall be in numbers and letters at least one inch high.
(2) An all-weather road shall be installed
				  and maintained to allow access to the injection well and related
				  facilities.
(3) The wellhead and
				  associated facilities shall be painted, if appropriate, and maintained in good
				  working order without detectable leaks.
(4) Secondary containment of the wellhead
				  shall consist of a diked, impermeable pad or sump.
(5) The commission may prescribe additional
				  requirements for Class I salt cavern disposal wells in order to protect
				  underground sources of drinking water, and fresh or surface water from
				  pollution.
(6) The obligation to
				  implement the plugging and abandonment plan and the post-closure plan survives
				  the termination of a permit or the cessation of injection activities. The
				  requirement to maintain an approved plan is directly enforceable regardless of
				  whether the requirement is a condition of the permit.
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter J - STANDARDS FOR CLASS I SALT DOME CAVERN DISPOSAL WELLS › Section 331.169 - Record-Keeping Requirements

Current through Reg. 49, No. 28; July 12, 2024
(a) The
				  permittee shall keep complete and accurate records of, but not limited to:
(1) All monitoring required by the permit,
				  including:
(A) continuous records of surface
				  injection pressures;
(B) continuous
				  records of the pressures and volumes of the annulus between the tubing and long
				  string;
(C) continuous records of
				  injection and production flow rates;
(D) monthly total volume of injected and
				  produced materials;
(E) continuous
				  records of cavern gases chemistry and pressures;
(F) continuous records of cavern fill volume
				  and chemistry; and
(G) continuous
				  records of cavern fluid volume;
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter J - STANDARDS FOR CLASS I SALT DOME CAVERN DISPOSAL WELLS › Section 331.170 - Cavern Closure

Current through Reg. 49, No. 28; July 12, 2024
(a) The owner or
				  operator of a Class I salt cavern disposal well shall prepare, maintain, and
				  comply with a plan for cavern closure that meets the minimum following
				  requirements, and that is acceptable to the executive director.
(1) The owner or operator shall submit the
				  plan as a part of the permit application and, upon approval, or approval with
				  modifications, by the executive director, such plan shall be a condition of any
				  permit issued.
(2) The owner or
				  operator shall submit all proposed revisions to the plan and obtain any
				  necessary permit amendments, as appropriate, over the life of the well and
				  cavern.
(3) The plan shall include,
				  at a minimum, the following information:
(A)
				  upon cessation of waste disposal, and prior to cavern sealing, the operator
				  shall:
(i) monitor the cavern pressure and
				  cavern fluid volume and fluid chemical composition, to provide information
				  regarding the cavern's natural closure characteristics and any ensuant pressure
				  buildup;
(ii) provide predictions
				  from data gathered in clause (i) of this subparagraph of cavern behavior after
				  sealing is completed;
(iii)
				  demonstrate, to the executive director, utilizing actual pre-closure monitoring
				  data, that the sealing of the cavern will not result in any pressure buildup
				  within the cavern that could adversely affect the integrity of the cavern,
				  well, or seal;
(iv) fill all
				  partially filled caverns with crushed salt or another approved suitable
				  material which is compatible with the waste and the salt stock;
(v) complete any monitoring of the cavern and
				  its contents required by rule or permit;
(vi) use redundant seals or plugs, comprised
				  of different compositions and sealing properties, to provide for immediate as
				  well as long-term salt cavern injection zone containment;
(vii) obtain written authorization from the
				  executive director for cavern sealing;
(B) upon completion of cavern sealing, the
				  owner or operator shall:
(i) monitor the seal
				  for leaks;
(ii) demonstrate to the
				  executive director that the seal is not leaking prior to requesting
				  authorization for closing the wellbore;
(iii) obtain written authorization from the
				  executive director to begin well closure.
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter J - STANDARDS FOR CLASS I SALT DOME CAVERN DISPOSAL WELLS › Section 331.171 - Post-Closure Care

Current through Reg. 49, No. 28; July 12, 2024
(a) The owner or
				  operator of a Class I salt cavern disposal well shall prepare, maintain, and
				  comply with a plan for post-closure care that meets the requirements of
				  subsection (b) of this section, and that is acceptable to the executive
				  director.
(1) The owner or operator shall
				  submit the plan as a part of the permit application and, upon approval by the
				  executive director, such plan shall be a condition of any permit
				  issued.
(2) The owner or operator
				  shall submit any proposed significant revision to the plan and obtain any
				  necessary permit amendment, as appropriate over the life of the well, but no
				  later than the date of the closure report required under §
											331.46 of this
				  title (relating to Closure Standards).
(3) The plan shall provide financial
				  assurance as required in this chapter. The owner or operator shall demonstrate
				  and maintain financial assurance in the amount of the post closure cost
				  estimate to cover post closure in a manner that meets the requirements of this
				  chapter and Chapter 37, Subchapter Q of this title (relating to Financial
				  Assurance for Underground Injection Control Wells). The amount of the funds
				  available shall be no less than the amount identified in paragraph (4)(F) of
				  this subsection.
(4) The plan shall
				  include the following information:
(A) the
				  pressure in the injection zone before injection began;
(B) the anticipated pressure in the injection
				  zone at the time of closure;
(C)
				  the predicted time based on actual preclosure monitoring data until pressure in
				  the injection interval reaches equilibrium with the surrounding salt
				  stock;
(D) predicted position of
				  the waste front at closure (cavern sealing and well plugging);
(E) the status of any corrective action
				  required under §
												331.44
				  of this title (relating to Corrective Action Standards);
(F) the estimated cost of proposed closure
				  and post-closure care to be based on a reasonable worst case
				  scenario.
(5) At the
				  request of the owner or operator, or on his own initiative, the executive
				  director may modify the post-closure plan after submission of the closure
				  report following the procedures in §
											331.46 of this
				  title.
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter K - ADDITIONAL REQUIREMENTS FOR CLASS V INJECTION WELLS ASSOCIATED WITH AQUIFER STORAGE AND RECOVERY PROJECTS › Section 331.181 - Applicability

Current through Reg. 49, No. 28; July 12, 2024
In addition to the requirements of Subchapter H of this
					 chapter (relating to Standards for Class V Wells), the requirements of this
					 subchapter apply to all Class V aquifer storage and recovery injection
					 wells.
Texas Administrative Code › Title 30 - ENVIRONMENTAL QUALITY › Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY › Chapter 331 - UNDERGROUND INJECTION CONTROL › Subchapter K - ADDITIONAL REQUIREMENTS FOR CLASS V INJECTION WELLS ASSOCIATED WITH AQUIFER STORAGE AND RECOVERY PROJECTS › Section 331.182 - Area of Review

Current through Reg. 49, No. 28; July 12, 2024
The area of review for an aquifer storage and recovery
					 (ASR) project is the area determined by a radius of 1/2 mile from the proposed
					 ASR injection well. For an ASR project that includes more than one proposed
					 injection well, the area of review is the area determined by a radius of 1/2
					 mile from the centroid of the injection well field. If the extent of the
					 underground stored water of the ASR project will exceed the area determined by
					 the 1/2 mile radius as described in this section, the area of review is the
					 area determined by the projected extent of the underground stored water as
					 calculated by using site-specific hydrogeologic information. In the application
					 for authorization, the applicant shall provide information on the activities
					 within the area of review including the following factors and their adverse
					 impacts, if any, on the injection operation:
(1) location of all artificial penetrations
				  that penetrate the interval to be used for aquifer storage and recovery,
				  including but not limited to: water wells and abandoned water wells from
				  commission well files or ground water district files; oil and gas wells and
				  saltwater injection wells from the Railroad Commission of Texas files; and
				  waste disposal wells/other injection wells from the commission disposal well
				  files;
(2) completion and
				  construction information, where available, for identified artificial
				  penetrations;
(3) site specific,
				  significant geologic features, such as faults and fractures; and
(4) all information required for the
				  consideration of an aquifer storage and recovery injection well under §
										331.186(a)
				  of this title (relating to Additional Requirements).