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Federal regulations · Through 2026-08-25 · Newer source version available

40 CFR 147.903: Existing Class I and III wells authorized by rule.

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Where this section sits in the code
  1. Title 40—Protection of Environment
  2. CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
  3. SUBCHAPTER D—WATER PROGRAMS
  4. PART 147—STATE, TRIBAL, AND EPA-ADMINISTERED UNDERGROUND INJECTION CONTROL PROGRAMS
  5. Subpart S—Kentucky

Maximum injection pressure. The owner or operator shall limit injection pressure to the lesser of:

(a) A value which will not exceed the operating requirements of § 144.28(f)(3) (i) or (ii) as applicable or;

(b) A value for well head pressure calculated by using the following formula:

Pm = (0.733-0.433 Sg)d

where:

Pm = injection pressure at the well head in pounds per square inch

Sg = specific gravity of inject fluid (unitless)

d = injection depth in feet.

Collected 2026-08-27T02:26:04Z. Source file · JSON

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