Ohio Administrative Code

h 119. PDF: (A) Coverage. Applicants for class I well permits shall identify the location of all known wells within the injection well's area of review which penetrate the injection zone. For such wells which are improperly sealed, completed, or abandoned, as determined by the di…

19.03 This rule was filed with the Legislative Service Commission in PDF format and is presented here as filed. View Rule Text Last updated November 26, 2024 at 10:36 AM Authorized By: 6111.043 Amplifies: 6111.043 Five Year Review Date: 9/11/2029 Prior Effective Dates: 7/25/1984

In determining the adequacy of corrective action proposed by the applicant under rule 3745-34-30 of the Administrative Code and in determining the additional steps needed to prevent fluid movement into underground sources of drinking water, the following criteria and factors may …

(A) An injection well has mechanical integrity if the following are met:(1) There are no significant leaks in the casing, tubing or packer.(2) There is no significant fluid movement into an underground source of drinking water (USDW) through vertical channels adjacent to the inje…

In determining priorities for setting times for owners to submit applications for authorization to operate under the procedures of paragraphs (A) and (C) of rule 3745-34-12, and paragraphs (B) and (C) of rule 3745-34-13 of the Administrative Code, the director bases these priorit…

h 119. PDF: (A) Prior to abandoning class I wells, the well shall be plugged with cement in a manner which will not allow the movement of fluids either into or between underground sources of drinking water.(B) Placement of the cement plugs shall be accomplished by one of the foll…

(A) All class I wells shall be sited in such a fashion that they inject into a formation which is beneath the lowermost formation containing, within one-quarter mile of the well bore, an underground source of drinking water.(B) All class I wells shall be cased and cemented to pre…

(A) Operating requirements. Operating requirements shall, at a minimum, include:(1) Except during stimulation, injection pressure at the wellhead shall not exceed a maximum which shall be calculated so as to assure that the pressure in the injection zone during injection does not…

This rule sets forth the information which shall be considered by the director in authorizing class I wells. For an existing or converted new class I well, the director may rely on the existing permit file for those items of information listed below which are current and accurate…

(A) A seismic reflection data survey shall be conducted at each injection site where a class I injection well is located or is proposed to be located in order to determine the presence or absence of such geologic faults or fractures as may be identified by seismic reflection surv…

h 119. PDF: The requirements set forth in rule 3745-34-50 to 3745-34-62 of the Administrative Code apply to owners and operators of class I hazardous waste injection wells, and in some cases, the owners and operators of all class I injection wells. These rules supplement the requ…

(A) All class I hazardous waste injection wells shall be sited such that they inject into a formation that is beneath the lowermost formation containing, within one quarter mile of the well bore, an underground source of drinking water.(B) Upon a finding by the director, the siti…

For the purposes of class I hazardous waste wells, this rule shall apply to the exclusion of rule 3745-34-32 of the Administrative Code. The area of review for class I hazardous waste injection wells shall be a two-mile radius around the well bore. The director may specify a larg…

For the purposes of class I hazardous waste wells, this rule applies in lieu of rule 3745-34-33 of the Administrative Code.(A) As part of the permit to install or operate a class I injection well application, the owner or operator of a class I hazardous waste injection well shall…

(A) All existing and new class I hazardous waste injection wells shall be constructed and completed by owners and operators to do the following:(1) Prevent the movement of fluids into or between USDWs or into any unauthorized zones.(2) Permit the use of appropriate testing device…

h 119. PDF: (A) During the drilling and construction of a new Class I hazardous waste injection well, appropriate logs and tests shall be run to determine or verify the depth, thickness, porosity, permeability, and rock type of, and the salinity of any entrained fluids in, all re…

(A) Except during stimulation, the owner or operator of a class I injection well shall assure the director in writing, that injection pressure at the wellhead does not exceed a maximum which shall be calculated so as to ensure that the pressure in the injection zone during inject…

(A) Testing and monitoring requirements for all class I injection wells shall include monitoring of the injected wastes as described in paragraphs (B) to (L) of this rule.(B) The owner or operator of a class I injection well shall submit a written waste analysis plan to the direc…

h 119. PDF: (A) The owner or operator of a class I hazardous waste injection well shall submit a report to the director each calendar quarter, in writing, including:(1) The maximum injection pressure; and(2) A description of any event that exceeds operating parameters for annulus…

(A) For a new class I hazardous waste injection well, the owner shall submit all information listed in paragraph (B) of this rule as part of the permit application except for those items of information which are current, accurate, and available in the existing permit record. For …

(A) The owner or operator of a class I hazardous waste injection well shall prepare, maintain, and comply with a plan for closure of the well that meets the requirements of this rule, is in compliance with rule 3745-34-09 of the Administrative Code and is acceptable to the direct…

(A) The owner or operator of a Class I hazardous waste injection well shall prepare, maintain, and comply with a plan approved by the director for post-closure care that meets the requirements of this rule and is in compliance with rule 3745-34-09 of the Administrative Code. The …

h 119. PDF: The owner or operator shall comply with the financial responsibility requirements of rules 3745-55-42 to 3745-55-51 or 3745-66-42 to 3745-66-48 of the Administrative Code. Last updated September 25, 2025 at 1:36 PM Authorized By: – Amplifies: – Five Year Review Date:

(A) The owner of a class I injection well for which the director has issued a permit or renewal of a permit for the disposal of any hazardous waste identified in or listed under section 3734.12 of the Revised Code or the rules adopted thereunder, and that waste is generated on th…

(A) In addition to the definitions in Chapter 3752. of the Revised Code, the following definitions apply to this chapter:(1) "Cessation of Regulated Operations rules" or "CRO rules" means the rules in this chapter.(2) "Contaminated with" means:(a) Every stationary tank, vat, elec…

The owner or operator shall secure against unauthorized entry into each outdoor location of operation, and each building or structure at the facility where regulated operations were conducted that contains or is contaminated with regulated substances by providing entry barriers, …

(A) The owner or operator may ask for a waiver from compliance with this chapter and Chapter 3752. of the Revised Code only if the owner or operator will be temporarily discontinuing all regulated operations at the facility for a period exceeding three hundred sixty-five days. To…

(A) The purpose of this chapter is to establish, as a part of a state pretreatment program under Chapter 6111. of the Revised Code, both of the following:(1) A permit program regulating the discharge of nondomestic wastewater into a POTW to assure compliance with pretreatment sta…

As used in this chapter:(A) (1) "Act" means the Federal Water Pollution Control Act (commonly referred to as the Clean Water Act) 33 U.S.C. sections 1251 to 1387.(2) "Administrator" means the administrator of the United States environmental protection agency.(3) "Applicant" means…

[Comment: For dates of non-regulatory government publications, publications of recognized organizations and associations, federal rules and federal statutory provisions referenced in this rule, see rule 3745-36-02 of the Administrative Code.](A) Any significant industrial user or…

[Comment: For dates of non-regulatory government publications, publications of recognized organizations and associations, federal rules and federal statutory provisions referenced in this rule, see rule 3745-36-02 of the Administrative Code.](A) Pollutants introduced into a POTW …

(A) All industrial users shall notify the POTW immediately of all discharges that could cause problems to the POTW, including any slug loading, as defined in rule 3745-36-02 of the Administrative Code. The industrial user shall immediately notify the POTW and Ohio EPA upon discov…

(A) Notwithstanding any other provision of this chapter, an industrial user shall be deemed to have an indirect discharge permit-by-rule if the industrial user meets all of the following conditions:(1) The industrial user is not a significant industrial user or non-significant ca…

[Comment: For dates of non-regulatory government publications, publications of recognized organizations and associations, federal rules and federal statutory provisions referenced in this rule, see rule 3745-3-01 of the Administrative Code.](A) Any record, report, or other inform…

(A) Periodic compliance monitoring reports. These reports shall contain all results of sampling required by the individual indirect discharge permit.(1) Industrial users subject to pretreatment standards after the compliance date of such pretreatment standard, or in the case of a…

[Comment: For dates of non-regulatory government publications, publications of recognized organizations and associations, federal rules and federal statutory provisions referenced in this rule, see rule 3745-36-02 of the Administrative Code.](A) In addition to the requirements sp…

[Comment: For dates of non-regulatory government publications, publications of recognized organizations and associations, federal rules and federal statutory provisions referenced in this rule, see rule 3745-36-02 of the Administrative Code.](A) Categorical industrial users shall…

(A) Any reference to this chapter in rule 3745-27-01 of the Administrative Code shall be construed as a reference to rule 3745-501-05 of the Administrative Code.(B) Any reference to this chapter in rule 3745-27-03 of the Administrative Code shall be construed as a reference to Ch…

(A) Any reference to this rule in rule 3745-400-08 of the Administrative Code shall be construed as a reference to rule 3745-501-10 of the Administrative Code.(B) Any reference to this rule in rule 3745-400-11 of the Administrative Code shall be construed as a reference to rule 3…

Any reference to this rule in rule 3745-37-08 of the Administrative Code shall be construed as a reference to rules 3745-500-120, 3745-501-15, and 3745-501-20 of the Administrative Code. Last updated January 14, 2026 at 6:30 PM Authorized By: 3714.02, 3734.02 Amplifies: 3714.06, …

(A) The director maintains the following approved lists of health districts:(1) The solid and infectious wastes program approved list of health districts for the purpose of issuing a license to a solid waste facility or infectious waste treatment facility under section 3734.05 of…

(A) The director may return the solid waste facility licensing and infectious waste treatment facility licensing and construction and demolition debris facility and construction and demolition debris processing facility licensing function to a health district from which the direc…

For the purposes of rules 3745-37-08, 3745-37-09, and 3745-37-10 of the Administrative Code, a reference to this chapter shall be construed as a reference to rules 3745-37-08, 3745-37-09, 3745-37-10, 3745-500-120, 3745-501-15, 3745-501-20, 3745-501-35, and 3745-501-40 of the Admi…

An owner or operator subject to this rule shall follow rule 3745-501-75 of the Administrative Code. Last updated January 15, 2026 at 12:33 AM Authorized By: 3734.02 Amplifies: 3734.05, 3734.06 Five Year Review Date: 6/26/2026 Prior Effective Dates: 11/17/1988 (Emer.), 3/9/1989 (E…

As used in this chapter of the Administrative Code:(A) Except as otherwise provided in this rule, the definitions in sections 6111.01 and 6111.13 of the Revised Code shall have the same meaning in this rule as in that section.(B) "Act" means the "Federal Water Pollution Control A…

[Comment: For dates of non-regulatory government publications, publications of recognized organizations and associations, federal rules and federal statutory provisions referenced in this rule, see rule 3745-38-01 of the Administrative Code.](A) General NPDES permit requirements.…

(A) Except where otherwise provided, this chapter shall be administered in accordance with provisions in Chapters 3745-47 and 3745-49 of the Administrative Code.(B) Except as otherwise provided in this chapter, all terms used in this chapter have the same meaning as in section 61…