40 CFR 147.3009 - Area of review.

§ 147.3009 Area of review.

The area of review shall be defined as follows:

(a)Class II wells. The area of review for Class II permits and area permits shall be defined by a fixed radius as described in § 146.6(b) (1) and (2) of this chapter except that the radius shall be one-half mile.

(b)Class I and III wells. The area of review for Class I and III wells are well fields which may be either:

(1) An area defined by a radius two and one-half miles from the well or well field; or

(2) An area one-quarter mile from the well or well field where the well field production at the times exceeds injection to produce a net withdrawal; or

(3) A suitable distance, not less than one-quarter mile, proposed by the owner or operator and approved by the Director based upon a mathematical calculation such as that found in § 146.6(a)(2) of this chapter.

Title 40 published on 10-May-2017 04:28

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 40 CFR Part 147 after this date.

  • 2017-05-19; vol. 82 # 96 - Friday, May 19, 2017
    1. 82 FR 22949 - State of North Dakota Underground Injection Control Program; Class VI Primacy Approval
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Proposed rule.
      Comments must be received on or before July 18, 2017.
      40 CFR Part 147
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