Site Characterization

Site Characterization

Class VI permit applicants must provide extensive information about the local and regional geology and hydrogeology of the proposed site [40 CFR 146.82(a)(2),(3),(5),(6)].  The purpose of the UIC Program’s evaluation of this information is to inform a...
Area of Review (AoR) and Corrective Action

Area of Review (AoR) and Corrective Action

The Class VI Rule requires owners or operators to develop and submit an AoR and Corrective Action Plan as part of their permit application [40 CFR 146.82(a)(4),(13); 146.84(b)]. The plan must document the owner or operator’s compliance with the AoR delineation...
Financial Responsibility Demonstration

Financial Responsibility Demonstration

Class VI permit applicants must submit information to demonstrate financial responsibility for corrective action, injection well plugging, PISC and site closure, and emergency and remedial response [40 CFR 146.82(a)(14); 146.85(a)].  The purpose of the UIC...
Well Construction and Operation

Well Construction and Operation

Class VI permit applicants must submit proposed schematics and construction procedures for the injection well [40 CFR 146.82(a)(11),(12); 146.86].  The purpose of the UIC Program’s evaluation of well construction information is to ensure that the injection well...
Pre-Operational Testing Program

Pre-Operational Testing Program

Permit applicants must submit a proposed pre-operational formation and well testing program that describes how they will test the well and analyze the chemical and physical characteristics of the injection and confining zones [40 CFR 146.82(a)(8); 146.87].  The...
Testing and Monitoring

Testing and Monitoring

The Class VI Rule requires Class VI permit applicants to develop and implement a comprehensive testing and monitoring plan for their projects that includes injectate monitoring, corrosion monitoring of the well’s tubular, mechanical, and cement components, mechanical...