---
kind: "section"
citation: "40 C.F.R. § 147.2153"
title: "40"
number: "147.2153"
heading: "Existing Class I, II (except enhanced recovery and hydrocarbon storage) and III wells authorized by rule."
url: "https://uscodex.org/cfr/40/147.2153"
---

# §147.2153. Existing Class I, II (except enhanced recovery and hydrocarbon storage) and III wells authorized by rule.


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)](/cfr/40/144.28.md?p=f-3) (i) or (ii) as applicable or
- (b) **A value for well head pressure calculated by using the following formula—**

## Notes

### Authority

Authority: 42 U.S.C. 300f et seq.; and 42 U.S.C. 6901 et seq.

### Source

Source: 49 FR 20197, May 11, 1984, unless otherwise noted.