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

40 CFR 147.753: Existing Class I and III wells authorized by rule.

Where this section sits in the code

Title 40—Protection of Environment
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
SUBCHAPTER D—WATER PROGRAMS
PART 147—STATE, TRIBAL, AND EPA-ADMINISTERED UNDERGROUND INJECTION CONTROL PROGRAMS
Subpart P—Indiana

Maximum injection pressure. The owner or operator shall limit injection pressure to the lessor 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 = (0.800-0.433 Sg)d

where:

Pm = injection pressure at the wellhead in pounds per square inch

Sg = specific gravity of injected fluid (unitless)

d = injection depth in feet.

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